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jour nal of peace R Research Articles The effect of trust in government on rallies ’round the flag E S E A R C H Journal of Peace Research 49(5) 631–645 ª The Author(s) 2012 Reprints and permission: sagepub.co.uk/journalsPermissions.nav DOI: 10.1177/0022343312440808 jpr.sagepub.com J Tyson Chatagnier Department of Political Science, University of Rochester Abstract Previous research has shown that foreign policy crises can cause a ‘rally ’round the flag’ effect, boosting citizens’ approval of their leaders. While scholars agree on the effect’s existence, its magnitude and nature are less readily apparent. This article considers two factors that have been neglected in previous studies: the context in which a conflict occurs and the public’s level of trust in government. The theory presented here suggests that trust is not only an effect of a rally, but mediates the magnitude of the rally. It also proposes that the nature of the rally will be unaffected by whether the state is provoked by its opponent prior to crisis initiation. The resulting hypotheses are tested using aggregate US public opinion data around international crises, as well as individual-level data from the 1990–92 ANES panel regarding the Persian Gulf War. The analysis indicates that trust in government has a major influence on the size of a rally effect, especially at the individual level. However, trust matters more for those in the opposition than for those who have supported the government in the past. These results suggest implications for understanding public attitudes toward foreign policy and for the diversionary theory of war. Keywords divisionary war, public opinion, rally, trust Introduction ‘Do you approve or disapprove of the way George W. Bush is handling his job as president?’ When asked this question by Gallup pollsters in mid-August of 2001, 57% of Americans responded that they approved of the job that President Bush was doing. A month later, 90% of those polled responded favorably to the same question. What caused such a major shift in the way that Americans saw President Bush? In the time between the two surveys, the United States suffered the most devastating terrorist attack in its history, causing billions of dollars of property damage and leaving thousands dead. In response, Americans rallied around their leaders, offering support where before there had been opposition, and calling for unity where there had been division. Though extreme, the shifts in opinion following the 11 September attacks were unique only in magnitude and not in type. Political scientists have long been aware of the existence of a ‘rally ’round the flag’ effect that boosts leaders’ approval when crises loom (e.g. Waltz, 1967; Mueller, 1970; Lee, 1977). When confronted by a common enemy, citizens will circle the wagons, providing additional support to the government, in order to fend off the threat. If politicians recognize the rally effect, then under adverse domestic conditions it might be exploited for short-term gain. This proposition – that leaders can use wars to distract the public from unfavorable domestic situations – underlies the diversionary war hypothesis, proposed by numerous international relations theorists (e.g. Richards et al., 1993; Downs & Rocke, 1994; Hess & Orphanides, 2001). If leaders are willing and able to invoke the rally effect, they can generate approval gains for themselves, which they may be able to turn into policy gains. Corresponding author: [email protected] Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 journal of PEACE RESEARCH 49(5) 632 This article puts aside leaders’ motivations and deals specifically with their ability to make use of this effect. In particular, I look at the relationship between rallies and political trust, positing that citizens’ trust in elected officials affects leaders’ responses to crises. In order for leaders to manipulate public opinion for their own benefit, the public must be manipulable. This evokes an interesting possibility: if trustworthy leaders are more likely to enjoy high public approval ratings (which is plausible), then the leaders who are most able to manipulate the public in this manner are those who are least in need. To analyze the nature of the rally effect and its relationship to political trust, I first examine a series of militarized interstate disputes (MIDs) involving the USA and the changes in presidential approval surrounding these events. Next, I assess the phenomenon using individual-level survey data collected by the American National Election Study (ANES; Miller et al., 1999) that are meant to gauge public opinion with respect to the first Gulf War. The analysis shows that changes in presidential approval following a crisis are dependent upon pre-crisis political trust. These findings suggest an explanation for the disconnect between the intuitive appeal of diversionary war theory and political scientists’ inability to find empirical support. The rally effect The rally ’round the flag hypothesis states that in times of international crisis, citizens rally to their leaders, offering greater levels of support and approval. Only dramatic international crises can produce the significant increases in national cohesion and public support for the president because only events that confront the nation as a whole meet the necessary conditions to strengthen in-group identity and bring together disparate sectors of the public (Mueller, 1970). Initially identified in international relations by Waltz (1967) and formally incorporated into models of presidential approval by Mueller, this phenomenon is now a well-known empirical regularity. Research from the period immediately following the formal statement of the rally effect supported this hypothesis, finding that crises meeting Mueller’s requirements tend to produce significant increases in presidential popularity (Lee, 1977; MacKuen, 1983), but also that the benefits accruing to leaders in times of crisis are fleeting (Cotton, 1986; Ostrom & Job, 1986). More recent research, however, has been less supportive of the existence of a meaningful rally effect. While several studies reaffirm the earlier findings (e.g. Brody, 1992; Lai & Reiter, 2005), others dispute the potency of the rally, arguing that the magnitude of the change is insignificant (DeRouen, 2000; Baker & Oneal, 2001). This calls into question not only the nature but the very existence of the rally. A possible explanation for these divergent findings is that there exists an additional set of factors driving the likelihood or size of the rally. Uncovering these conditions can explain both the expected magnitude of a rally following a crisis and the inconsistent findings across studies. To this end, researchers have sought to determine the factors underlying the rally effect. James & Rioux (1998) find that, in the Cold War context, the rally effect generally occurs when a crisis involves the Soviet Union and disappears for conflicts short of war when the USSR is not involved. Baker & Oneal (2001) report that the use of force has an insignificant effect on the size of a rally, while the factors that most affect public response are mediarelated. Chapman & Reiter (2004) find that UN Security Council approval significantly increases the size of a rally, but approval from other bodies has no effect. Finally, some studies suggest that rallies occur only among certain groups, such as those already predisposed to support the president (Edwards & Swenson, 1997), or those who are most ambivalent and susceptible to new information (Baum, 2002). None of these studies has considered the role of trust in government as a determinant of rallies. When levels of political trust rise or fall, the expected size of the rally may also change. Publics that are more suspicious of government might be less willing to rally to their leaders in times of crisis. The rationale behind this proposal can be found in diversionary war theory, a companion literature to the rally effect and the logical next step. The existence of a rally effect potentially creates perverse incentives for leaders. If the rally phenomenon holds, a president in need of a short-term approval boost could solve the problem by initiating or encouraging the onset of an international crisis. This is the essence of the diversionary theory of war: foreign conflict allows a leader to expand or retain his or her power when threatened domestically (Richards et al., 1993; Downs & Rocke, 1994; Hess & Orphanides, 2001). Diversionary theory holds that, in the face of an external threat, group members will respond with increased cohesion and concordance (Simmel, 1898). Given some minimal existing threshold of internal cohesion and group identity, an external conflict can pull a group back from the brink of fragmentation or dissolution (Coser, 1956; Simmel, 1956). In the realm of international Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 Chatagnier 633 politics, external threat is represented by interstate war, allowing ‘a state ridden with inner antagonisms to overcome these antagonisms’ (Simmel, 1956: 93). By choosing to go to war when faced with domestic opposition, leaders shift the focus to a new enemy, giving them the ability to hold on to or expand their power (Haas & Whiting, 1956; Wright, 1942). The rally effect works in precisely this manner, stirring individuals who were previously in opposition to draw together in support of their leaders against the external threat. In addition to the literature that provides a theoretical basis for diversionary incentives in international politics (e.g. Richards et al., 1993; Downs & Rocke, 1994; Tarar, 2006), recent studies also claim empirical support. US presidents have fallen under particular empirical scrutiny, due to the disproportionate amount of data on US politics. Recent work suggests that presidents tend to have a greater proclivity to use force when facing difficult economic situations (Ostrom & Job, 1986; James & Oneal, 1991), in times of domestic unrest and falling popularity (DeRouen, 1995; Sobek, 2007), or when elections draw near (Stoll, 1984). Others, however, argue that the empirical case is weak, citing flaws even in contemporary research on diversionary war (Levy, 1989; Meernik & Waterman, 1996; Meernik, 2000). These findings suggest that the rally effect may be a useful tool for leaders. The specter of an external enemy provides the public with a target against whom to direct anger that might otherwise be reserved for the government. However, if the public realizes the leader’s goals and acts strategically, the incentive to divert disappears. While there is evidence that the public generally looks unfavorably upon crisis initiation by leaders (Benson, 1982), it is less clear that Americans have the necessary awareness to counter leaders’ diversionary incentives (Converse, 1975; Neuman, 1986; Delli Carpini & Keeter, 1996). Mueller (1970) argues that because international crises are such poignant and potentially deadly events, they are likely to attract the attention of even the least engaged Americans. This article builds upon that thesis, arguing that as cynicism increases, the public will pay significantly more attention to the actions taken by government. Concerns about possible governmental exploitation should make citizens more diligent, observing the actions of potentially predatory leadership, in order to punish or deter offenders. The additional scrutiny leads to less willingness on the part of the citizenry to bear unnecessary costs. Thus, higher levels of cynicism should translate into smaller rallies. The public’s faith in government can be captured directly by measures of political trust. The role of trust in government Americans possess a variety of individual beliefs about what it means for a government to ‘do the right thing’. The degree of congruence between these expectations and what citizens believe that the government is actually doing can be conceptualized as political trust (Hetherington, 1998, 2005). As Uslaner (2002: 44–47) points out, trust in government is a type of ‘strategic trust’, which is particularistic and based upon observed demonstrations of trustworthiness. Unlike moral trust, strategic trust depends not upon a general trust in people, but rather upon beliefs about whether an individual (or institution) can be trusted to do a particular thing. Strategic trust is mutable and contingent (Dasgupta, 1988; Uslaner, 2008). Whereas moral trust is generational, strategic trust changes as relevant institutions demonstrate (un)trustworthiness. This definition of trust is particularly useful for this analysis as it taps underlying affect toward government and public cynicism (Miller, 1974). Political trust has been viewed by scholars as important and desirable in its own right. As such, it has generally been treated as a dependent variable (e.g. Miller, 1974; Citrin, 1974; Keele, 2007). Recent studies, however, have examined how trust affects policy and the effectiveness of policymakers. Hetherington (1998: 803) finds that political trust leads to ‘warmer feelings’ toward government and ‘provides leaders more leeway to govern effectively’ (see also Hetherington, 2005). Rudolph & Evans (2005) concur, reporting that trust affects policy latitude on a wider variety of issues than initially believed. As political trust increases, the leader can advance an agenda with less resistance. If leaders’ domestic goals can be frustrated by low levels of political trust, their foreign policy agenda may suffer as well. The literature traditionally distinguishes between trust and approval. Political trust measures the degree to which citizens believe that government actions will lead to good outcomes. Individuals with less trust in government expect less successful public policy, making them less likely to support it. Although these individuals may support certain ‘policy goals, they do not support the policies themselves because they do not believe that the government is capable of bringing about desired outcomes’ (Hetherington, 2005). Thus, low levels of trust in government can paralyze the policy process, as politicians will be unable to obtain the support and resources necessary without resorting to coercion (Chanley, Rudolph & Rahn, 2000; Keele, 2007). To the extent that trust is a prospective evaluation of the government, approval can be thought of as its retrospective Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 journal of PEACE RESEARCH 49(5) 634 counterpart. Some scholars have noted a relationship between the two concepts, and that during periods of low public trust, approval ratings are, on average, significantly lower (Brody, 1992; Hetherington, 1998). This may arise because the lack of trust prevents leaders from acting, leading the public to judge them harshly for a lack of policy success. Although this relationship between trust and approval is conceivable, the two remain conceptually distinct, and it is not impossible for a leader to enjoy high approval ratings during a period of low trust. Indeed, Hetherington (2005) notes that President Clinton – who maintained relatively high levels of approval, especially toward the end of his presidency – held office during a period in which trust in government was especially low within the USA. The lack of interest in the effects of political trust on foreign policy is puzzling given the importance of even routine decisions concerning interactions with other countries. If trust affects foreign policy in the same way that it affects domestic policy, then when political trust is low, foreign policy decisions should simultaneously face greater scrutiny and less support. Hence, it is easy to connect political trust to the rally effect and diversionary war more generally. Coser (1956) claims that some minimal threshold of internal cohesion is necessary for a diversion to be effective: if a group is too fragmented, an external enemy can cause it to shatter beyond repair. As Uslaner (2002) points out, (democratic) governments cannot function well without sufficient trust. Thus, political trust taps cynicism and affects leaders’ abilities to implement policy. This renders it an excellent proxy for cohesion. Diversionary tactics under conditions of low trust may lead to more intense focus upon domestic problems and governmental flaws. This argument spawns two major hypotheses about the effects of trust on foreign policy. Across multiple events, low levels of trust should decrease the size and magnitude of a rally. When trust is low, citizens are more likely to detect diversionary foreign policy, or to see the specter of diversion where none exists. Hypothesis 1: The aggregate level of pre-crisis trust in government will be positively related to the size of the change in aggregate presidential approval following a crisis. Across individual opinions for a single event, individuals whose approval levels change the most should be those with the most extreme levels of trust. Thus, individuals whose trust is high should participate in the rally, while those whose trust is low should see diversionary motives even when crisis decisions are driven purely by national security. This means that, regardless of the circumstances, individuals with relatively low levels of trust in government should be particularly unlikely to rally. Hypothesis 2: An individual’s level of trust before a crisis will be positively related to the size of the post-crisis change in presidential approval for that individual. A potential counter-argument is that the effect of trust in government may be moderated by provocation. Although citizens may be more likely to see policy as diversionary when trust is low, if there is clear provocation, even skeptical individuals may rally behind the leader. To assess the robustness of the trust effect, I test a third hypothesis, related to provocation. Hypothesis 3: Pre-crisis trust will not affect the size of the change in presidential approval following a crisis that results from provocation. While the theory predicts that Hypotheses 1 and 2 will hold, Hypothesis 3 is primarily a robustness check. Theoretically, trust should matter even under provocation. An interaction effect significantly different from zero would limit the scope of the theory. Unfortunately, Hypothesis 3 can only be tested across events (i.e. with macro-level data). As such, while Hypotheses 1 and 3 are both tested in the first analysis, only Hypothesis 2 is tested in the second. Notably, the crisis in the microlevel section is one in which the USA was provoked. Because Iraq attacked a US ally, even Americans who mistrusted President Bush might have viewed the war as justified, causing them to rally despite their lack of trust. Therefore, even if Hypothesis 3 is correct, the micro-level analysis will be biased against Hypothesis 2. Data and methods: Aggregate level In order to test both sets of hypotheses, I conduct the analysis in two parts. The first examines the two macro-level hypotheses, following the examples of Oneal & Bryan (1995) and Chapman & Reiter (2004) in its implementation. Most data for this portion come from the replication data provided by Chapman & Reiter. Their data cover 229 crises involving the USA between 1933 and 2001.1 1 The crises are drawn from the MID dataset (Ghosn, Palmer & Bremer, 2004), which comes from the Correlates of War project. They cover all instances in this time period during which a threat, display, or use of force occurred involving the USA. Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 Chatagnier 635 The dependent variable is the change in aggregate presidential approval from the most recent Gallup poll taken prior to the crisis to the earliest Gallup poll conducted afterward. The mean rally for the entire set is approximately 0.4 percentage points. Because the trust question was not frequently asked by pollsters, many of the observations in the Chapman & Reiter dataset cannot be included here. Of those that are, the mean rally is a substantially higher 1.6. The largest rally is 33 points, following the 11 September attacks and subsequent invasion of Afghanistan. This summary statistic suggests that a rally effect does exist, and that leaders receive some (relatively minor) political benefit from crises. The key independent variable is political trust prior to the crisis event.2 This is taken from various opinion polls measuring political trust.3 Where possible, the polls used are nationally representative samples published by CBS/ New York Times or ABC/Washington Post. In the few cases where such polls are unavailable, other sources are used.4 Polls are only included when the wording and choices are directly comparable. All polls included in the data offer those interviewed the exact same responses to the question about political trust. Aggregate trust is calculated by summing the percentages of those surveyed who said that they trusted government to do what was right ‘all of the time’ or ‘most of the time’. On average, this is fairly low, with a mean of 33.1%. No more than half of those surveyed ever expressed a willingness to trust government most or all of the time. Because trust questions appear on surveys less frequently than do questions about approval, these data are less complete than the approval data. Trust questions generally were not asked within weeks of a crisis event. A poll is included in the dataset only if the question was asked within a reasonable amount of time prior to the crisis. Generally this is one to three months, though it 2 One potential concern is that trust and approval are endogenous. While this may be true, it does not present a problem for this analysis, which considers the effect of trust at time t on the change in approval between times t and t þ 1. Endogeneity would only be a concern if current trust was a function of future approval. Such a relationship is all but impossible, suggesting the potential problem of contemporaneous endogeneity should not be a factor in this analysis. 3 Data for all polls come from the Roper Center’s iPoll Databank, available at: http://www.ropercenter.uconn.edu/data_access/ipoll/ ipoll.html. 4 Remaining polls were published primarily by CNN, Los Angeles Times or Gallup. Others came from Market Strategies, Americans Discuss Social Security, and Pew. may be as high as six. Furthermore, the question was not asked consistently until 1977. Thus, observations prior to this year are not included in the analysis. After removing the observations for which trust data are missing, there are 78 events occurring between 1977 and 2001. Given the potentially long periods between conflicts and measures of trust in these data, there may be suspicions about how accurately the trust variable actually captures pre-crisis trust. The optimal solution would be to find reliable measures of trust that were measured shortly before the crisis occurred. However, because such data are not available, I have verified robustness using Keele’s (2007) quarterly trust data as an alternative specification.5 The results were substantively unchanged. Provocation is a dummy variable indicating whether the USA, an ally, or a friendly state was attacked or threatened. In either instance, the president has a clear case for war that can be presented to the American people. Crises in which the USA was the clear initiator or there was no clear threat are cases in which the motivation for war is less obvious. Under these circumstances, diversionary motives can be inferred more easily. Of the 78 cases analyzed here, the USA was provoked in 47 of them. These include incidents in which there was an attack against the USA or a friendly state, as well as those in which another state made a direct threat against the USA or an ally. The MID data include categories that code specifically for these types of incidents, and I employ their coding here. The remaining variables come from the research conducted by Baker & Oneal (2001) and Chapman & Reiter (2004). Baker & Oneal argue that the size of a rally is largely driven by spin. They find that media coverage, bipartisan support, and White House statements are all related to the appearance of a post-crisis rally.6 Chapman & Reiter, meanwhile, find that Security Council authorization has a significant impact on the size of a rally, but that there is no effect from other organizations, including the General Assembly. All of these variables are included here. Both works also employ several controls. Factors that might drive presidential approval independent of crisis onset include economic conditions, months until the next election, pre-crisis presidential approval, whether the USA had revisionist goals (i.e. whether it hoped to gain from the conflict), the 5 I thank Luke Keele for kindly making his data available to me. Given the importance of bipartisan support, it may be that divided government would be a relevant explanatory variable. I thank an anonymous reviewer for suggesting this. Subsequent analyses indicate, however, that divided government does not affect the rally. 6 Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 journal of PEACE RESEARCH 49(5) 636 severity of the crisis (the number of actors and great powers involved and salience of the issue), whether the opponent was a major power, the number of US allies in the conflict, and whether the conflict is classified as a war (requiring at least 1,000 battle deaths).7 Analysis In keeping with the methodology employed by previous researchers, the analysis uses ordinary least squares (OLS) regression with bootstrap standard errors. The variables of interest are trust and the interaction between trust and provocation. Notably, provocation is highly correlated with the interaction term (r ¼ 0:92), raising severe multicollinearity issues. However, as it is generally necessary to include all constituent terms when modeling interaction effects (Brambor, Clark & Golder, 2006), I estimate two separate ‘full’ models. The first includes only provocation, while the second also contains the interaction between trust and provocation. Table I displays the results from several models of determinants of rally size. To show the substantial implications of data loss, I replicate Chapman & Reiter’s model in columns 1 and 2. The first model exactly replicates their primary model with war as a dummy variable. This includes all observations in the original dataset. The second column presents the same model using the data employed throughout the rest of the analysis. The differences between the two models are quite stark. Though no major variables change direction, the magnitudes of many coefficients change significantly. Additionally, the standard errors increase substantially in most cases. As a result, several variables that show significant explanatory power in Model 1 become insignificant in Model 2. There are two possible reasons for the drastic changes between the two models. The most likely explanation is simply that while both models estimate 15 parameters, Model 2 has fewer than half the observations of Model 1. With fewer data points, the estimates will be less precise. Alternatively, there might have been a significant change in the way the public views war since the inauguration of the Carter administration. It is possible that US experiences with events like Vietnam and Watergate have fundamentally altered the way that Americans respond to international crises and presidential uses of force. Unfortunately, it is not presently possible to 7 Although the MID data do not classify Kosovo as a war, Chapman & Reiter (2004) argue that there were likely more than 1,000 battle deaths and code it as a war in their analysis. The war dummy that includes Kosovo is used here. determine with certainty which explanation accounts for the change. Thus, neither possibility can be discounted. Column 3 presents the results from the regression of rally size on the general presidential popularity controls, theoretically important independent variables, and trust in government. The analysis lends some initial support to Hypothesis 1. The coefficient on trust is positive and significant at the p < :10 level. This indicates that, holding all else constant, an increase in aggregate political trust should cause presidential approval following a crisis to grow at least marginally. A J test for non-nested model comparison (Davidson & MacKinnon, 1981) indicates that explanatory power is coming from both Models 2 and 3. That is, the control variables that Chapman & Reiter include explain something not present in Model 3, while the trust and provocation variables explain something not found in Model 2. Thus, I include all variables in the final two models. Columns 4 and 5 include the relevant crisis-level control variables from the Chapman & Reiter analysis, as well as trust and provocation.8 Interestingly, there are few changes when these factors are included. Only one variable, prior popularity, gains or loses statistical significance consistently in the new models; however, the magnitude of the coefficient increases only slightly, indicating little substantive change even here. Trust in government tells the same story in Model 4 that it tells in Model 3 – additional trust increases the size of the rally effect – though its effect is reduced slightly. Model 5, which includes the interaction between trust and provocation, reveals a larger coefficient, but a lack of significance for the trust variable. As expected, the interaction effect is also negative, but non-significant. By themselves, the estimates in the model indicate a larger expected rally when there is no provocation, but a slightly smaller one when the USA is provoked. However, owing to the relatively small number of observations and the multicollinearity problem, there is not sufficient precision to ensure that any of these estimates – including the marginal effect under provocation (s:e: ¼ 4:02) – is different from zero. Model comparison suggests that including the interaction term does not improve the model and that the slightly more parsimonious Model 4 is superior (F ¼ 0:15). This indicates that there is some evidence that pre-crisis trust affects rally size (per Hypothesis 1), independent of provocation 8 Ongoing war is omitted because it was invariant following the Vietnam War. Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 Chatagnier 637 Table I. Aggregate-level determinants of rally size Model 1 Model 2 Model 3 Model 4 Model 5 (Chapman & Reiter, 2004) (Reduced obs.) (Major variables) (No interaction) (Full model) Prior popularity Business confidence Months before election Bipartisan support Administration statement New York Times coverage Security Council authorization US revisionist Major power opponent Number of allies Non-Security Council action Regional organization action Crisis severity War 0.1111*** (0.0471) 0.0279* (0.0166) 0.0126 (0.0266) 1.619* (0.858) 1.688*** (0.6008) 0.4243 (0.4443) 4.809 (4.287) 1.440** (0.6655) 1.085* (0.6033) 0.1347 (0.2191) 0.7074 (1.085) 0.7540 (2.984) 0.7402 (0.5694) 11.63 (8.484) 0.0980 (0.0704) 0.0063 (0.0229) 0.0158 (0.0383) 2.959* (1.568) 0.6846 (0.8703) 0.3071 (0.6609) 4.416 (5.528) 1.036 (1.057) 1.802* (1.054) 0.1528 (0.3924) 2.599 (2.835) 0.3146 (11.444) 0.1119 (1.072) 17.05 (10.873) Trust Provoked 0.0961 (0.0956) 0.0091 (0.0236) 0.0126 (0.0462) 4.808*** (1.87) 0.5311 (1.137) 0.2156 (0.6836) 11.58* (5.932) 0.1326* (0.0820) 1.296 (1.044) 0.1356* (0.0796) 0.0046 (0.0231) 0.0027 (0.0416) 3.420** (1.690) 0.3430 (1.100) 0.1279 (0.7322) 6.071 (5.288) 0.6128 (1.107) 2.022* (1.140) 0.1665 (0.3765) 2.287 (2.711) 1.009 (10.534) 0.6209 (1.111) 16.35 (10.111) 0.1181* (0.0701) 1.335 (1.163) 2.632 (2.741) 0.32 78 4.909* (2.975) 0.46 78 Trust Provoked Constant Adjusted R 2 N 2.126 (1.526) 0.29 198 6.152* (3.139) 0.44 78 0.1383* (0.0804) 0.0042 (0.0232) 0.0015 (0.0426) 3.370** (1.656) 0.3532 (1.124) 0.0679 (0.7506) 5.706 (5.499) 0.5822 (1.129) 2.051* (1.159) 0.1487 (0.3931) 2.336 (2.758) 1.460 (10.894) 0.5679 (1.146) 16.39 (10.314) 0.1463 (0.1034) 0.1995 (4.135) 0.0468 (0.1199) 4.037 (3.395) 0.45 78 Bootstrap standard errors in parentheses. Two-tailed tests: *p < :10; **p < :05; ***p < :01. (contra Hypothesis 3). Based on the results in Model 4, trust appears to mediate the size of a rally. Though the effect is somewhat anemic, trust in government maintains its level of significance across multiple model specifications. Given the major swings in coefficient sizes for some of the variables when moving from Model 1 to Model 2, it is possible that the findings might be strengthened with more data. The estimates here provide tepid support for the hypothesis that trust affects rally size, though the extent appears to be quite minor. In particular, from the results in Model 4, an increase in trust of one standard deviation (slightly under 10 points) leads to a rally approximately 1 percentage point larger. Initially, this appears so small as to be irrelevant. However, the mean rally size in these data is slightly over 1.5 points, meaning that a standard deviation shift in trust increases the rally size by 67%, from the mean. From this perspective, trust has a major impact on the extent to which Americans rally in the event of a crisis. Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 journal of PEACE RESEARCH 49(5) 638 This analysis indicates that trust has some effect on presidential approval in the wake of a crisis, though the extent of its impact remains somewhat uncertain. To gain a clearer understanding of the mechanisms that may link trust to presidential approval, it is necessary to move away from aggregate-level data and to examine individual responses. This provides a more nuanced view of the role of trust in rallies ’round the flag. Data and methods: Individual level The micro-level analysis consists of individual-level survey data from the 1990–92 ANES panel (Miller et al., 1999). This particular analysis uses only the 1990 and 1991 waves, which were intended to measure support for President Bush vis-á-vis the Persian Gulf War. The first wave was initiated at the end of 1990, after the initial commitment of troops to the Gulf, but before the beginning of actual hostilities. The second wave took place in the summer of 1991, following the conclusion of fighting and the withdrawal of Iraqi troops from Kuwait. Given that the 1990 wave includes questions on trust in government, the survey fits the purpose of this study perfectly.9 The dependent variable is again rally size, but this time at the individual level. This is a measure of the difference in an individual’s evaluation of President Bush in the 1991 wave and his or her evaluation in the 1990 wave. While operationalization of approval is simple in the aggregate case, it is trickier at the individual level. Therefore, I employ two different measures of a respondent’s approval of President Bush. One is a four-point ordinal scale, ranging from ‘strongly approve’ to ‘strongly disapprove’. The size of the rally for an individual here can range from 3 to þ3. The other measure uses a feeling thermometer, in which individuals rate their feelings of ‘warmth’ toward the president on a scale of 0 to 100. The size of the rally on the feeling thermometer theoretically ranges from 100 to þ100. This operationalization more closely resembles the dependent variable in the aggregate analysis. The independent variable of interest is trust in 1990. As with approval, this is ordinal. To respond to the question of how often they can trust the government, 9 Unfortunately, this is the only such study. While the ANES has released a three-wave panel that covers the time period during which the 2003 Iraq War took place, the timing of the waves renders it significantly less useful: the 2004 interviews were administered more than a year and a half after the invasion. Any rally effect would likely have dissipated by this time. individuals are given three options (all, most, or some of the time). A significant number of respondents (around 2%) eschewed the given alternatives and opted instead to volunteer that the government could never be trusted. These individuals are kept in the sample and coded 0, as their voluntary responses convey useful information. Overall trust was relatively low, with most individuals responding that the government could only be trusted some of the time. Summary statistics for the ANES data are comparable to the aggregate-level data, though individuals surveyed were slightly more trusting, and the average change in approval was smaller. The survey also indicates that the average level of trust in government increased following the Gulf War. This is unsurprising and is consistent with previous literature on the subject (e.g. Parker, 1995). However, the degree to which trust increases is minor, relative to the change in approval. While the mean level of approval increases by 0.43, the increase in mean level of trust is just over one-third that. Although a ‘trust rally’ may have occurred, it was relatively small. More importantly, the presence of a post-conflict increase in trust should not negate the importance of prewar trust on the size of the change in approval. If conflict increases trust in government, it may affect the expected rally size for a subsequent conflict; however, there is no reason to believe it will be relevant to the expected rally for the current conflict. Nonetheless, to ensure that rally size is not driven by changes in trust, rather than pre-crisis trust alone, I control for the difference in an individual’s level of trust across the two waves. Since the analysis looks only at data for a single crisis event, it is not possible to examine the effects of the USA being provoked. However, this was a conflict in which a friendly state was invaded, leading the USA to experience some degree of provocation.10 Hypothesis 3 (which was unsupported above) suggests that trust may have a smaller effect upon a rally in this case than it would elsewhere. Therefore, this is not a ‘most-likely-case’ scenario; if anything, the deck is stacked against finding any effects for trust. In addition to the trust variable, I include controls drawn from the ANES survey. Voting for Bush and approval in 1990 are peculiar to this analysis. The former is included because high levels of approval leave little room for a rally, while the latter is included because supporters may be more likely than opponents to rally to the 10 The earlier provocation variable was coded 1 for this conflict. Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 Chatagnier 639 president (Edwards & Swenson, 1997). Given that some time passed between the end of hostilities and the second wave of the survey, factors other than the war – economic performance, in particular – may also have been relevant to respondents. The summer of 1991 brought the recession that would contribute to Bush’s defeat the following year. To account for economic effects, I include a measure of the respondent’s assessment of his or her family’s financial situation in 1991 relative to 1990. The remaining control variables are primarily demographic in nature. These variables include age, race, gender, education level, household income, church attendance, ideological self-placement, and partisanship. Finally, I create an interaction between trust and voting for Bush, hypothesizing that trust may affect supporters and non-supporters differently. Analysis In conducting the analysis for the feeling thermometer variable, I again use OLS with bootstrap standard errors. In the case of the ordinal rally variable, the appropriateness of OLS is less clear. As approval is measured on a three-point scale, the difference takes seven possible values. Because it is unclear whether the number of categories renders the variable sufficiently continuous, I present results from both OLS and ordered probit specifications. Finally, although these are panel data, they can appropriately be treated as cross-sectional, as the unit of analysis is the individual, rather than the individualwave. The panel aspect is used only to obtain information about opinion change following the war, and observations are not pooled across time. The models in Table II strongly support Hypothesis 2. Individuals who express greater trust in government are more likely to rally following a crisis. The effect of trust is much more robust at the individual level than in the aggregate. In each case, trust positively and significantly affects the expected size of the rally. Other variables also generally behave as expected, and Bush voters appear to be the most likely to adjust their opinion of the president upward after the war. Although financial status affects approval, the estimated effect is fairly small, and trust remains significant. Thus, it seems unlikely that the economy was driving the change in respondents’ opinions of Bush. Column 1 presents the results from the regression of feeling thermometer ratings upon the explanatory variables. Changes in trust in government and approval do appear to be related, as those individuals who became more trusting following the war also had higher opinions of Bush. However, this does not undercut the impact of initial trust. Indeed, trust is both statistically and substantively significant. The coefficient indicates that an increase from one trust category to the next increases an individual’s post-crisis feelings for Bush by nearly five points. Incidentally, a five-point shift was the median rally (as measured by the feelings thermometer) in these data. Moreover, the effect of a onecategory difference in trust is almost as large as a fivecategory difference in partisanship. Ceteris paribus, an individual who moved from trusting the government ‘some of the time’ to ‘most of the time’ would be expected, following the war, to increase his or her approval of President Bush by almost the same amount as an individual who moved from being a strong Democrat to a moderate Republican. The results in Column 1 strongly support the hypothesis that trust mediates rally effects. However, feeling thermometer ratings are not the same as approval ratings. Columns 2 and 3 present the results from using the ordinal-valued approval measure to tap into the rally effect more directly. The results are virtually indistinguishable from the first model. With respect to trust, they are largely the same as those in Model 1, indicating that the effect of trust is not sensitive to specification of the rally. Initially, the relatively small coefficient on trust in Model 2 suggests that the effect of trust is minor. However, as the mean change in approval under this specification is slightly over 0.4, a one-category shift in trust would account for more than half of that. The effect of trust on rally size, relative to other important variables (in particular, partisanship and vote choice), is effectively the same in both models. Although the OLS results are easier to interpret, the results from the ordered probit in Column 3 may provide a more appropriate specification. Because the interpretation of these coefficients is not straightforward, I present predicted probabilities with other variables set to their medians. Figure 1 illustrates the predicted probabilities of membership in each of the rally categories, across levels of trust. Importantly, each of the seven graphs is scaled differently. While this means trends may appear exaggerated, it is useful in that it demonstrates the nominal direction in which trust moves individuals in each category. Hypothesis 2 has implications for the direction of effect in each of these cases: greater trust should increase the likelihood of rallying and decrease the likelihood of being in a non-rally category. Scaling the graphs in the manner of Figure 1 provides insight into whether the directional effect operates as hypothesized. Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 journal of PEACE RESEARCH 49(5) 640 Table II. Individual-level determinants of rally size Prior approval Age White Male Education Household income Religious Voted for Bush Ideology Party ID Family finances Change in trust Trust Model 1 (Feeling thermometer) Model 2 (Approval: OLS) 0.5267*** (0.0470) 0.0866* (0.0472) 5.62** (2.320) 1.907 (1.351) 0.9006** (0.4500) 0.2153 (0.1612) 1.368*** (0.5045) 2.837* (1.714) 0.7901 (0.6626) 1.081** (0.4413) 0.8649 (0.6427) 4.809*** (1.265) 4.9877*** (1.585) 0.6293*** (0.0406) 0.0046** (0.0020) 0.1035 (0.1194) 0.0612 (0.0634) 0.0905*** (0.0205) 0.0127* (0.0065) 0.0287 (0.0229) 0.1710** (0.0818) 0.0809*** (0.0315) 0.0669*** (0.0187) 0.0528* (0.0308) 0.2208*** (0.0592) 0.2774*** (0.0716) Model 3 (Approval: Ordered probit) 0.9382*** (0.0691) 0.0068** (0.0031) 0.184 (0.1733) 0.1017 (0.0981) 0.1334*** (0.0323) 0.0192* (0.0102) 0.0495 (0.0352) 0.2437** (0.1239) 0.0991** (0.0482) 0.1087*** (0.0286) 0.098** (0.0459) 0.388*** (0.0935) 0.2584*** (0.1092) Bush Trust Constant Log-likelihood Adjusted R 2 N 18.87*** (5.483) 0.26 619 Model 4 (Approval: Ordered probit) 0.9400*** (0.0689) 0.0067** (0.0031) 0.1650 (0.1737) 0.1129 (0.0975) 0.1322*** (0.0321) 0.0183* (0.0101) 0.0486 (0.0352) 0.6881** (0.2736) 0.1007** (0.0476) 0.1067*** (0.0286) 0.0999** (0.0476) 0.3163*** (0.0935) 0.5552*** (0.1527) 0.3404* (0.1862) 0.4784** (0.2261) 0.38 587 613.26 611.68 587 587 Bootstrap standard errors in parentheses. Two-tailed tests: *p < :10; **p < :05; ***p < :01. Figure 1 bears out the predictions of Hypothesis 2. Higher levels of trust increase the probability of being in any of the positive categories and decrease the probability of being in the zero or negative categories. Essentially, the higher the level of trust, the more likely the individual is to rally. Furthermore, while the largest absolute changes are in the þ1 and þ0 categories (increasing from 0.13 to 0.42 and decreasing from 0.70 to 0.46, respectively), the relative changes in other categories are substantial. In the 3 category, for example, a full shift in trust reduces the probability of membership by approximately 0.003. However, given the generally small probability of being in this category, this is a reduction of more than 98%. Similarly, in the þ3 category, a full shift in trust only increases probability of membership by about 0.018, but this represents more than a thirtyfold increase. To understand the effects of trust more fully, it is instructive to compare it with other variables. The most obvious choices are political: voting for Bush in 1988 and partisanship. To do this, I calculate the predicted probability that an individual belongs to each category across all values of the relevant variable, holding all others at their medians. Figure 2 compares the effects of these three variables for a full shift (from minimal to maximal value) in each. As is apparent from Figure 2, trust has an important impact on rally size. In nearly every category, the trust effect is noticeably larger than either competitor. This is especially true for changes between 1 and þ2, where Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 Chatagnier 641 Rally size of −2 Rally size of 0 2.0 3.0 4.0 1.0 2.0 3.0 4.0 0.6 0.4 1.0 2.0 3.0 4.0 Level of Trust Level of Trust Level of Trust Rally size of + 1 Rally size of + 2 Rally size of + 3 1.0 2.0 3.0 4.0 Level of Trust 0.03 0.02 Bootstrap 95% Conf. Interval 0.01 Predicted Probability 0.10 0.05 Predicted Probability 0.3 0.2 Predicted Probability 0.00 0.00 0.1 Predicted Probability 0.4 0.04 0.15 0.5 0.5 Predicted Probability 0.15 0.10 0.00 0.00 0.000 1.0 0.05 0.03 0.04 Predicted Probability 0.05 0.7 0.20 0.06 Rally size of −1 0.01 0.02 Predicted Probability 0.008 0.004 Predicted Probability 0.012 Rally size of −3 1.0 2.0 3.0 4.0 1.0 Level of Trust 2.0 3.0 4.0 1.0 Level of Trust 2.0 3.0 4.0 Level of Trust Figure 1. Predicted probabilities of rally size it dwarfs both other variables. Overall, the comparisons in Figure 2 provide strong support for the effect of trust on rally size. Returning to Table II, the final model in Column 4 includes an interaction between 1988 vote choice and trust in government. Because previous research (e.g. Edwards & Swenson, 1997) has indicated that a president’s supporters are the most likely to rally, trust in government may be irrelevant to them. Supporters may always be willing to rally, finding some justification for a conflict in any circumstance. By interacting trust and vote choice, Model 4 investigates this proposition. The results from the model are mildly supportive of the hypothesis.11 Recomputing the marginal effects and standard errors to account for the interaction term (see Mallick, 2009), the results indicate that, for an individual with sample median characteristics, the interaction moderates the effect of trust somewhat. While increasing trust generally increases the individual’s willingness to rally, this effect is occasionally dampened by having 11 A likelihood ratio test reveals that inclusion of the interaction term results in a marginal improvement over Model 3 (p 0:076). Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 journal of PEACE RESEARCH 49(5) 0.4 0.0 0.2 Non−Bush Voters Bush Voters −0.2 −0.1 0.0 0.1 0.2 Change in Predicted Probability Trust Shift from Never to Always Party ID Shift from Strong Democrat to Strong Republican Vote Shift from Not Bush to Bush −3 −2 −1 +0 +1 +2 +3 −0.4 −0.3 −0.2 Change in Predicted Probability 0.3 0.4 642 −3 −2 −1 +0 +1 +2 +3 Change in Approval Change in Approval Figure 2. Predicted change in rally size Figure 3. Predicted effects of a full trust shift voted for Bush.12 The general effect is illustrated by Figure 3, which shows, for the median respondent, the change in the predicted probability of being in a particular rally category, after going from never to always trusting the government. In each case, the shift in trust makes an individual more likely to be in one of the rally categories, and less likely to be in the zero or negative categories. However, the size of the change in probability for Bush voters in each category is relatively small, while the change for non-Bush voters increases dramatically. The likelihood of a one-category rally increases for a non-Bush voter by approximately 0.37. The size of the increase for a Bush voter is less than half that. Supporters of the president (those who voted for him in 1988) are marginally more likely to rally. Although more trusting supporters are more likely to participate in larger rallies, the difference is small. On the other hand, trust has an enormous impact on nonsupporters, whose behavior following a crisis seems to be driven in large part by trust in government. Nonsupporters who express high levels of trust are far more likely to participate in larger rallies than those who express low levels of trust. Indeed, the Gulf War had the greatest effect on presidential approval for trusting individuals who voted against Bush in 1988. It is possible that this phenomenon is an artifact of the question wording. Supporters of Bush were not substantially more likely to express trust in government (the correlation between voting for Bush and trusting government is r < 0:06), and it is possible that these individuals make a distinction between ‘the government’ and President Bush himself (this is especially likely among conservatives, who tend to be suspicious of government generally, but are more apt to support Bush). As such, the level of confidence that these individuals have in the president may be greater than the level of political trust that they express. However, this fits well with the theory presented earlier. It is expected that opponents of the president would allow their cynicism to lead them to the worst case scenario, whether it was warranted or not. Presidential supporters, on the other hand, might try to find justifications for an action, even when none exists. In either case, the differential effect of trust on rallies relative to presidential support is interesting and comports with intuition. 12 The effect is significant at the p < 0:05 level in two cases, both of which involve low-trust Bush voters and a one-category decrease in approval. In both of these instances, the marginal effect of the interaction is positive, while trust is negative. Conclusion The analyses above indicate that trust in government plays a large role in determining the occurrence and size of rallies ’round the flag. Macro-level results across 78 foreign policy crises involving the United States provide tentative evidence that rallies are larger when individuals express greater trust in government. At the individual level, the effects are even more pronounced. Analysis of individual opinions following the Gulf War indicates that more trusting individuals are more likely to improve their opinion of the president following a foreign policy crisis. This result holds even though the USA was Downloaded from jpr.sagepub.com at UNIV OF ROCHESTER LIBRARY on September 28, 2012 Chatagnier 643 provoked by an attack on a friendly state. The impact of trust depends partially upon the individual’s support for the incumbent. Those who have voted for the president in the past will tend to rally in times of crisis, regardless of their general level of trust in the government. The propensity of an individual who did not vote for the president to rally is significantly mediated by that individual’s level of trust in government. More trusting non-supporters are more likely to rally than are cynical non-supporters. The significant relationship between trust and rallying means that declining levels of political trust may be a welcome change. If suspicious citizens are less likely to rally, they will be more difficult to manipulate. Citizens with low levels of political trust can potentially foil leaders’ diversionary plans. Ironically, to the extent that trust and approval are related, leaders who are most in need of a temporary boost in approval are precisely those who can expect the least positive change from initiating a foreign policy crisis. Diversionary war is most effective for those who have the least need to divert. It may be that this somewhat counter-intuitive relationship is the reason for the lack of clear empirical support for diversionary theory. Previous theories have assumed that the effect of a diversionary war was relatively constant across time and leaders, and that it was essentially positive. However, if the effects of diversionary war are contextually dependent, the incentives may not be as clear as theorists have implied. The analysis here suggests that leaders in need of diversions may not have any incentive to divert because they know that such a policy would be ineffective at best. This is a powerful result that may explain the curiously divergent findings within the diversionary literature and should be incorporated into the theoretical literature. Unfortunately, this analysis was confined to the United States. To some extent, these results may be geographically limited. However, given the nature of the findings, this is more revealing than it initially appears. The president of the United States has considerable latitude in the use of force, especially relative to other heads of state.13 As such, the USA is an excellent candidate for the use of diversionary war. That it is difficult for an US president to divert tells us much about the likelihood of diversions elsewhere. This leaves room for future research on countries other than the USA, providing variation on the executive latitude dimension. In countries in which interbranch consent is necessary for the use of 13 I thank an audience member at a conference presentation for pointing this out. force, agreement may serve as a signal to the voters, diminishing the importance of trust, though diversion would remain difficult. Future research into diversionary theory and the rally phenomenon should incorporate the idea of political trust, opening new avenues of inquiry. An especially interesting example is the potentially endogenous relationship between trust and rallies. If, as the results here indicate and as some scholars (namely, Hetherington & Nelson, 2003) claim, rallies boost both approval and trust in government, and if trust is necessary to secure large rallies, it may be the case that a president has incentives to initiate one crisis immediately following another. Further research might determine the dynamic relationship between rallies, trust, and approval. In particular, at what point might citizens catch on to diversions? In order to understand more clearly how domestic and international politics interact, students of international relations must take public opinion seriously and treat voters as strategic actors. The analysis presented here demonstrates that some voters seem to be aware that leaders have diversionary incentives. 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