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1 Austin Harris PPE499 Working Draft, April 5, 2016 Veblen’s New Paradigm: A case for the shared conceptual lineage of Institutional Economics and Post-Darwinian Scientific Epistemology. “Can very much depend upon a definition of ‘science’? Can a definition tell a man whether he is a scientist or not? If so, why do not natural scientists or artists worry about the definition of the term? Inevitably one suspects that the issue is more fundamental. Probably questions like the following are really being asked: Why does my field fail to move ahead in the way that, say, physics does? What changes in technique or method or ideology would enable it to do so? These are not, however, questions that could respond to an agreement on definition. Furthermore, if precedent from the natural sciences serves, they will cease to be a source of concern not when a definition is found, but when the groups that now doubt their own status achieve consensus about their past and present accomplishments. It may, for example, be significant that economists argue less about whether their field is a science than do practitioners of some other fields of social science. Is that because economists know what science is? Or is it rather economics about which they agree?” Thomas Kuhn, The Structure of Scientific Revolutions.1 Kuhn’s line of questioning may have led his contemporaries in the social sciences to powerful conclusions regarding their true purpose as investigators into the world of human phenomenon. Beyond this passage, his book almost certainly fueled a generation of postmodern thinkers to shade the development of science at large. But to any single student of 1 pp. 159-160. All references included in this paper are to the Fourth Edition of Kuhn’s text, University of Chicago Press, 2012, hereafter, SSR. 2 economics, the only reaction to this passage is a nod of confusion, followed by wistful imagining of any two economists agreeing on anything, not least of all the dubiously scientific character of their field. Curiously, just as we might look 50 years back to Kuhn’s day and wonder how the questions of whether economics is a science, and if so what kind of science, ever came unresolved, he might have looked 50 years prior and wondered exactly how they ever came to be resolved in the first place. Little of the amenability Kuhn saw in the economic field could be afforded to American economist Thorstein Veblen, who acerbically detailed economics’ failure to become a modern science. To Veblen, modernity was defined in relation to status as an evolutionary science, drawing on the model of change and selection inspired by Darwinian structures of process in biology and ecology.2 Veblen’s critique of the orthodox economics of his day, very applicable in ours, revolved around the notion that economics could not be called truly scientific unless it further parted ways with the mode of thinking that had defined its earlier incarnations. By Veblen’s accord, only through adherence to principles of Darwinian methodology and recognition of the role of a complex system of sociocultural institutions in shaping economic behavior, the field could become an Evolutionary Science.3 With that theoretical framework in mind, it should be obvious that the Veblenian corpus and much of the work it engages with is, in fact, the sustained argumentation between economists on what science is, and whether or not their field meets that standard. In this way, Veblen’s work should be seen as evidence to 2 3 Veblen. 1898. Why is Economics Not an Evolutionary Science? Veblen. 1898. Why is Econ...? 3 the contrary of the opening quotation. Presumably, the latter physicist and philosopher never read the earlier economist. What makes this particularly striking, however, is the nature of said argumentation. The definition of science that Veblen actually constructed for the economic field to aspire toward is in many ways akin to Kuhn’s own definition of science, and the paradigm perspectivist theory of scientific epistemology that follows. In this way, the Institutional Economics of Veblen, though nominally Darwinian, is actually highly congruent with Kuhn’s own revolutionary model of the scientific process. This paper will argue Veblen’s theory of the scientific process, and the theory of institutional economics derived therefrom, actually represents a substantial break with both Darwin and the precursors to Evolutionary Economics, and can be properly understood as Paradigmatic Revolutionary Economics. SECTION 1-1: Summary of Darwinian Evolutionary Theory; The Biological-Ecological Model and the Scientific Epistemological Model First, it should be made clear exactly what these models are, how they are alike, and how they differ. What we might call, properly, the Darwinian-Evolutionary Theory of Scientific Epistemology is that structure of knowledge inferred from Darwin’s Origin of Species, wherein species come to exist by means of natural selection, those that exist are the progeny of those that have succeeded in a constant struggle for perfect adaptedness to their worlds. Although the end result—commonly known by the maxim of Herbert Spencer, “Survival of the Fittest”— 4 is wonderfully concise, a full understanding of the model as it applies to scientific epistemology requires explicating its key components. Firstly, the principle of natural selection, of organisms, in Darwinian Biological Theory, states that in an environment with limited resources and a reproductive population, individuals will necessarily compete to exist.4 As long as there exists variation among individuals, favorable traits will be preserved and unfavorable traits removed. To the degree that those traits are reproducible across generations, increasingly specialized traits will prevail. This notion of selection is fundamental to the Evolutionary Epistemology employed by later scientists and philosophers. For Darwin, at specific junctures, enough specialization occurs in a genera of individuals that they can be called a species. This idea, called, speciation, is likewise central to the Darwinian philosophy of science. Because of how effectively the natural selection process produces discrete species over a sufficient time period, there will always exist a great degree of competition to exist and reproduce. This competition causes the environment, in the long term, to become systematized at an effectively stable equilibrium point, where competing genera have more-or-less the same degree of success over extended periods of time.5 This tendency toward a complex system, composed of multiple components each undergoing simultaneous processes individually and in relation to each other, serves as a very compelling analogy to the Evolutionary Theory of Scientific Epistemology. As John Dewey, contemporary to Veblen, put it, “This formal activity [the generation of species, striving for 4 5 Darwin was highly influenced by the economic philosophy of Thomas Malthus. Darwin was also highly influenced by the economic philosophy of Adam Smith. 5 perfect adaptedness] which operates throughout a series of changes and holds them to a single course; which subordinates their aimless flux to its own perfect manifestation; which, leaping the boundaries of space and time, keeps individuals distant in space and remote in time to a uniform type of structure and function: this principle seems to give insight into the very nature of reality itself. To it Aristotle gave the names, eidos. This term the scholastics translated as species.”6 In this way, we can see that the model we call “Darwinian” is clearly built of components from long before the Beagle ever raised her sails, but because of the immense contributions of his biological research to this theory of epistemology, Darwin’s name seems most fitting. Henceforth, for the purposes of this paper, Darwinian Theory, unless specifically described as biological, can be understood as interchangeable with “Early Evolutionary Theory.” Importantly, it should be noted here that many recent interpretations of Darwin do not use the biological analogy in as strong a sense as Dewey seems to be advocating—“This principle seemed to give insight into the very nature of reality itself.”—but all do to some extent. Further variance exists in the interpretations of Darwinian Theory with regards to the necessity of its mechanism. To be sure, the theory is, in some measure, contingent and circumstantial; it does not hold the development of a species through natural selection to be a strictly ontogenetic or teleological process.7 That is the say, Darwinian Theory posits that natural selection may always occur given limited resources and a reproductive population,8 and that evolutionary change will occur in accord with the given circumstances of that environment. 6 CITATION FROM THE NORTON BOOK See Paksi, pp. 38 8 Darwin was highly influenced by the economic philosophy of Thomas Malthus. 7 6 Darwin’s thought is ambiguous here. There is clearly no ontogenetically- or teleologicallyconceived ideal within or without the preexistence of a generation of individuals. Yet, it is impossible to state exactly how contingent and circumstantial the stages of selection, speciation, and systematization are in Darwin’s model. Various interpretations of Darwinian Theory accept and reject these nuances to differing degrees, ultimately creating a complicated spectrum of evolutionary thought. Later in the paper, we will see that the relative positions that Veblen and Kuhn hold with regards to this dichotomy can be used to distinguish their positions from later schools of Darwinism. SECTION 1-2: The Social and Economic Interpretations of Evolutionary Theory; Original Institutional Economics For social scientists of Darwin’s day, there was suddenly a potent new way to understand the phenomenon of economic patterns emerging from the incredibly complex world of human behavior. In particular, Darwinians-in-name-only such as Spencer employed the principles of natural selection to make the advent of human society a function of biological variance and selection. Social life merely came to exist the way it did because it propagated furtherance of those who lived it, and inhibited the growth of those who did not. As should be well known, this form of Social Darwinism, though apparently an oversimplification and misnomer to any modern interpreter, was a rather powerful and popular idea among many 7 philosophers of science.9 A much more coherent theory of the social application of evolutionary ideas comes from the work of C. Lloyd Morgan. Morgan was the first to explicate the idea of the social realm functioning not strictly as product of the biological world, but as a genuinely emergent level of existence for the beings—humans and their ideas—that occupied it.10 This conception paved the way for economic interpretations of evolutionary theory. Earlier economic theories, those of Smith and Malthus—both of whom had a profound impact on Darwin, and who, as we will explore later, are highly congruent with Darwinian thought but not Post-Darwinian11 12-- could be rightfully described as theories of a complex system in much the same was as later evolutionary thought. This is noteworthy, considering that Smith never had the benefit of Darwin’s biological and ecological analogy. Accordingly, these classical economists struggled, and ultimately failed, to explain substantive change in the development of national economies. Their economic systems were adaptive, but only toward a strictly stable equilibrium. Now, Darwinian Theory showed how a system could maintain that equilibrium, but gradually tend toward increased complexity in such a way that it allowed for— or even caused—a qualitative change in the parts and whole of that system. Veblen adopted this into working model of economic functions. The species in Veblen’s model are akin to the eidos of Aristotle. They are ideas; forms. Forms formed from a series of changes being held to a single course-- patterns of individual instances, in the same manner as 9 Citation for Ruse and/or Hull here Hodgeson, pp 188 11 Hull, pp. 37 12 Paksi, pp. 32 10 8 patterns of biological individuals could come to make up a species. The patterns that Veblen addressed could be of behavior, such as labor, ownership, or trade. They could also be of substantial ideas, like currency, production, or consumption. They could even be of insubstantial ideas, those strictly psychological experiences like pleasure, pain, or predilection. These patterns of ideas and behaviors are called institutions in Veblen’s system. Institutional Economics then is the economic system—or the study of human choices and consequences—as a function of those institutions. Institutional economics maintains the usage of the evolutionary analogy by detailing the key principles of the sustained and variational growth of these institutions, in many ways comparable to that of organisms and ecosystems.13 And because that model was so congruent to the models of Darwin’s biology, or other natural sciences, which were seen as the most “advanced” in that era, Veblen argued that such a model was necessary for economics to become justifiably “scientific.” In many ways, this might show us how the ideological conflict between economists has come full circle, despite its supposed resolution at the writing of Kuhn’s Structure. Section 1-3: Kuhn, Later Evolutionary Thought, The Transition to Revolutionary Science But by the time Kuhn composed the model of ideological evolution in that text, the economic field might have changed, but, perhaps unsurprisingly, Darwinian evolutionary theory 13 Hodgeson, pp. 183 9 still held great import in the sciences. The biological model still functioned prominently in the philosophy of process in science as an expository device. In fact, to have Kuhn himself tell it, “the analogy of scientific progress to the evolution of biological structures is a “very nearly perfect fit.”14 And much of the work on the motion and functions of science in Kuhn’s work can be seen as a coherent extension to Darwin’s own. However, as regards that quotation, a critical reading exposes the fact that Kuhn differs from Darwin in many key ways, and the “very nearlyperfect fit” is actually applied in that instance only with regards to the antiteleological nature of both Kuhn and Darwin. While many of the central tenets of Kuhn’s theory are mutually exclusive with Darwin’s, in at least one way the two can be seen as closely related. Kuhn’s thought is also strongly related to earlier Twentieth Century philosophers of epistemology, especially those of the neopositivistic school of thought such as Popper, who maintained that human knowledge evolved through stages by means of a developmental, progressive process. In this way, both Kuhn and the Neopositivistic School can be seen as relations of Darwinian thought.15 Unsurprisingly, when later writers in any of these traditions describe the extant literature, they use the same analogy of the evolutionary tree, with each branch maintaining some conceptual similarity to the formative trunk from which it stems, despite the significant differences which demarcate increasingly distant developments.16 Kuhn’s theory, however, truly distinguishes itself from all competing views of the philosophy of science 14 Kuhn. SSR pp. 171 Paksi, Kuhn’s Darwinism, pp. 33, 40-41 16 Especially Hull, 1988. Science as a Process. pp. 17 and Paksi pp. 35-38 15 10 at the point of Kuhn’s introduction of two key terms in his Structure of Scientific Revolutions; paradigm and exemplar. Briefly, for Kuhn, paradigm is very encompassing term. Foremost, it is the collection of basic common assumptions which found the shared worldview of any group.17 Where that group constitutes a field of scientists doing scientific work, paradigm refers generally to the shared understanding by those scientists of what is or is not science.18 Yet more specifically, we get to the most common understanding of paradigm, which is of a paradigm as “disciplinary matrix.” That is to say, the paradigm of any field is the body of existing preconceptions regarding the factual nature of that field at that time.19 For Kuhn, a paradigm in this sense must be present for science to go about its basic intended purpose, solving puzzles presented by the infinite web of interrelated data that make up human experience. This is the crux of Kuhn’s theoretical framework. We can point to the success of many fields of natural science, and strongly correlate them to the shared basic assumptions of those scientists, who, not caught arguing over philosophical questions of what science is could argue over pragmatic questions of what the data inferred by their shared science actually meant.20 Exemplars, then, are the major interpretations of data that serve as paradigms in the narrowest sense. They are accomplishments that take place in a field, which have such 17 Kuhn SSR. pp. 4-7 Ibid. 19 Bird, Alexander, "Thomas Kuhn", The Stanford Encyclopedia of Philosophy (Fall 2013 Edition), Edward N. Zalta (ed.), sec. 3, The Concept of a Paradigm. ADD THIS CITATION TO REFWORKS 20 Ibid. 18 11 powerful and decisive conclusions that their rectitude becomes widely accepted, and serves as a basis for contemporary and future scientists to solve puzzles in light of.21 The classic example for Kuhn is Newton’s Principia. By presenting an interpretation of phenomena—objects moving toward earth—Newton created a form of observable data—Gravity. This observation substantiated a theory of work to be done patterned on the same interpretation. As that body grows, and increasingly more coherent observations are made, the exemplar, or paradigm in the narrowest sense, becomes an increasingly greater paradigm under which scientists operate. Conceptually, here is where Kuhn’s theory becomes revolutionary in the sense that it deals with the notion of revolutions. When a paradigm comes to accept a certain interpretation of relevant data, that data becomes an exemplar and sustains the paradigm. However, there are inevitably some interpretations of relevant data which cannot be made to fit with the existing disciplinary matrix, and thus weaken the paradigm. These, Kuhn calls anomalies and it is the existence of anomalies which enable the well-known phenomenon of paradigm shift. Only when an existing paradigm fails to incorporate some body of observation within itself might a heterodox set of assumptions come along to better understand that data. When that happens, we say that the paradigm has shifted. Beyond that, however, there may come a point where the anomalous data is too great, and no existing paradigm seems capable of dealing with it. This is what Kuhn dubs a crisis point, the point where any number of competing scientists might abandon the functions of normal science to focus on establishing a new set of basic 21 Kuhn. SSR pp. 10-13, 26-30 12 assumptions. This process, of which Kuhn can identify numerous historical examples, is a socalled scientific revolution. Kuhn’s work can be said to have revolutionized the field of scientific epistemology. Many later theorists will draw heavily on the notion of scientific revolution expressed by Kuhn to articulate related theories. In particular, Punctuated Equilibrium, as applied in Gould’s Structure of Evolutionary Theory is legitimated by Kuhn’s theory of a general stasis punctuated by revolutionary periods. Gould’s punctuation theory, properly understood, is a refutation of the gradual tendency of Darwinian Biological Evolution to tend toward progress. Both Kuhn and Gould recognize this pattern with regards to Scientific Epistemology, and found their histories of science on the notion of revolutionary events. [REDACTED FOR BEING TOO COMPLEX. THERE IS GOING TO BE SOME INCREDIBLY DENSE PHILOSOPHY HERE BUT NOT NOW. I CANNOT HANDLE IT RIGHT NOW] SECTION 2-1: PARADIGM PERSPECTIVISM IN KUHN AND VEBLEN As a trained physicist, Kuhn refuses to dispute the existence of objective scientific criteria, though he minimizes their importance by holding the paradigmatic exemplar to be necessary for their interpretation. It is only with the greatest reluctance that Kuhn makes the relativistic claim that scientific achievements of disparate paradigms are in fact incommensurable to one another, and even then, he does so with an amount of irony and 13 humor that only further alienates his work from the philosophical orthodoxy of his era. “The transition [from one paradigm to another] affects a Gestalt switch… What were ducks before the [scientific] revolution are rabbits afterward.”22 This lingering, and highly controversial, thesis represents the single biggest departure in Kuhn’s Structure from the orthodox evolutionary theory of Darwin and others. Paradigmatic incommensurability, often called perspectivism, drastically changes the notion of progress in the development of scientific reasoning. Because progress between incommensurable paradigms is not even necessarily directional, it is incoherent to the evolutionary tree model which Kuhn employs elsewhere in his conception; however, it is notable anticipations in the works of earlier epistemologists, namely James, Peirce, Commons, Morgan, and Veblen—none of whom Kuhn seems to have read loololol. All are in some ways an extension of Darwinian evolutionary theory. Most notably, however, is Veblen’s system of economic behavior, which we will here relate to Kuhn’s Structure. The Institutional approach as applied in Veblen’s Theory of the Leisure Class can actually be called paradigmatic—not only in the sense that it serves as an exemplary achievement within its own field, but more importantly, in that it incorporates the concept of central ideas lending standards of perception and behavior to the fields they exist in. One clear example of the Veblen’s intersection with paradigm theory comes from the relevant conception of history. Compare Veblen, at his most epistemological: “For the earlier 22 Kuhn. SSR pp. 112 14 natural scientists, as for the classical economists… cause and effect is not definitive. Their sense of truth and substantiality is not satisfied with a formulation of mechanical sequence. The ultimate term in their systematization of knowledge is ‘natural law’.” 23 to Kuhn: “No natural history can be interpreted in the absence of at least some implicit body of intertwined theoretical and methodological belief that permits selection, evaluation, and criticism… supplied, perhaps by a current metaphysic, by another science, or by personal and historical accident.”24 Both of these views hold that singular principles are integral to the functions of any conceptual framework, and that these principles need not actually be an objective universal, but must be accepted as such. These principles are the basis of their respective theories, and clearly put the model allegedly developed by Kuhn in line with that previously employed by Veblen. When Veblen is advocating the implementation of evolutionary natural law in his system of economics, he is advocating a paradigm shift in a very Kuhnian sense. Perhaps unsurprisingly, as a result of this paradigmatic approach, Veblen actually reaches the very same incommensurability thesis that Kuhn does: “The terms of thought in which the investigators of some two or three generations back definitively formulated their knowledge of facts, in their analyses, were different in kind from the terms in which the modern evolutionist is content to formulate his results.”25 (emphasis added). In the same way Kuhnian 23 Veblen. Why is Econ. not Evolutionary? pp. 378 Kuhn. SSR pp. 17 25 Veblen. Why is Econ not Evolutionary? Pp. 377 24 15 paradigms can affect perceptual incommensurability between different eras, Veblenian “terms of thought” render the thoughts of disparate eras fundamentally different in kind. SECTION 2-2: DUAL INHERITANCE IN VEBLEN AND KUHN; RE: MORGAN, GOULD, ETC Veblen’s model becomes congruent with Kuhn’s even moreso in how both Kuhn and Veblen see the agents in a system as shaping the system as much as they are shaped by it. In Kuhn’s Structures, he makes it clear that a dominant scientific paradigm not only shapes the interpretation of the world picture, as we saw above, but can seriously and materially affect the social world itself. The conceptual understanding that agents hold of the world determines how they go about shaping that world. In Kuhnian and post-Kuhnian dynamics of science, some change will occur regardless, but the nature of that change will be fundamentally shaped by the extant mode or modes of perception. [PARAGRAPH or two ON GOULD AND HULL ADAPTING THIS INTO THE TRUE-BLUE DUAL INHERITANCE THEORY. IT IS AN OVERT REJECTION OF ‘DARWINIAN’ EVOLUTIONARY PRINCIPLES, YET IS IN LINE WITH VEBLEN’S MODEL; CITE THE HECK OUT OF IT] Veblen, likewise, sees institutions as being stored in the social world. Following Morgan, Veblen held that patterns of behavior existed not only in the minds of humans, but in their 16 “written record, in social traditions, and in the manifold inventions” of their society.26 Both of these theories see the social world as an entity, that itself interacts with humans in complex ways. [PARAGRAPH WITH THE QUOTES FROM DARWIN, MAYR, ETC CONTRASTING THESE VIEWS] SECTION 2-3: GOAL DIRECTEDNESS, THE NATURE AND FUNCTION OF SCIENTIFIC METHODOLOGY AS A TELEOLOGICAL/ANTITELEOLOGICAL PRINCIPLE IN VEBLEN AND KUHN; CONTRA DARWIN, GOULD, ETC. Darwin- “Evolution not goal directed” but really, it is. Kuhn- Not goal directed at all; even if you use the silly conception of goal-directedness that I thought Darwin was using (That’s why darwin is quoted as saying it isn’t). Veblen is OVERTLY goal driven, but in relativistic fashion. Conceptually, not in line with Darwin at all, more in line with Marx or Hegel honestly lol, but that’s ok. This is a pretty complicated argument and I am still working out some details. What is important is that Veblen also incorporates the progressive nature of scientific methodology, an idea that is very congruent to Kuhn. That part is pretty clear I’m just too lazy right now to make the necessary transitional sentences for it to fit in here. I have lots of quotes and citations for it. 26 Hodgeson, pp 177 17 SECTION 2-4: SECTION ON WHY OTHER ECONOMISTS, NAMELY SMITH AND MALTHUS, ARE VERY DARWINIAN (OR RATHER DARWIN IS SMITHY AND MALTHUSIAN); IF VEBLEN IS REBUTTING THEM THEN HE IS REBUTTING DARWIN, NOT USING HIM. BASICALLY THE ARGUMENT HERE IS THAT VEBLEN MIGHT BE EVOLUTIONARY, BUT ONLY THROUGH HIS SPECIFIC UNDERSTANDING OF DARWIN; MORE SOPHISTICATED INTERPRETATIONS OF DARWIN’S ACTUAL THOUGHT CAN BE USED TO SUPPORT VERY DIFFERENT ECONOMIC SYSTEMS, SCIENTIFIC METHODOLOGIES NOTWITHSTANDING. IT MAKES MORE SENSE TO CALL VEBLEN REVOLUTIONARY, BECAUSE HIS SYSTEM AND ITS SCIENTIFIC METHODOLOGY ARE IN LINE WITH KUHN MORE THAN DARWIN SECTION 3-1: CONSIDERATIONS AS TO WHY I COULD BE WRONG; DISCUSSION ON WHY I AM ONLY RIGHT IN A LIMITED SENSE It must be noted, here, that more recent readings of Darwin do not go as far in their application of the organismal metaphor as Dewey seems to be advocating. Kuhn in particular makes very strong usage of the metaphor in Structure, but is very clear about the limitations of that usage. Not only are there important distinctions to draw with Darwin, but Veblen’s thinking here actually represents a break with much of the body evolutionary theory since Darwin, and even since Kuhn. [HULL; COMMENSURABILITY; TOKEN INHERITANCE] [BIG PARAGRAPH ON HULL’S IDEA OF CONCEPTUAL LINEAGES, GOULD’S] 18 SECTION 3-2: CONCLUSION. I haven’t written any of this yet. 19 References Bourdieu, Pierre. 1991. The peculiar history of scientific reason. Sociological Forum 6 (1) (Mar 1991): 3. Carroll, Joseph. 2015. Evolutionary social theory. Style 49 (4): 512. Di Muzio, Tim. 2015. The plutonomy of the 1%: Dominant ownership and conspicuous consumption in the new gilded age. Millennium: Journal of International Studies 43 (2): 492. Hull, David. 1988. Science as a process: An evolutionary account of the social and conceptual development of science. Chicago: University of Chicago Press. Kuhn, Thomas. 1954. The structure of scientific revolutions. Laurent, John, and John Nightingale. 2001. Darwinism and evolutionary economics. Cheltenham, UK: Edward Elgar Publishing, http://search.ebscohost.com/login.aspx?direct=true&AuthType=cookie,i p,cpid&custid=s6222004&db=nlebk&AN=75209&site=ehostlive&scope=site. Parada, Jairo. 2002. Original institutional economics and new institutional economics: Revisiting the bridges (or the divide). Oeconomicus 6 (Fall 2002): 43. ———. 2001. Original institutional economics: A theory for the 21st century? Oeconomicus V (Fall 2001): 46. Reydon, Thomas, and Paul Hoyningen-Huene. 2010. Discussion: Kuhn's evolutionary analogy in the structure of scientific revolutions and "the road since structure.". Philosophy of Science 77 (3) (Jul 2010): 469. Ruse, Michael. 2008. Charles darwin. Blackwell great minds., ed. Steven Nadler. Vol. 5. Oxford: Blackwell. Samuels, Warren J. 1999. Founding of institutional economics : The leisure class and sovereignty. London, GBR: Routledge. Veblen, Thorstein. 1898. Why is Economics not an Evolutionary Science? 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