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Economic Policy Papers Factors that affect productivity and economic growth of European economies Theofanis Mamuneas Elena Ketteni Frederick University Department of Economics University of Cyprus No. 10-16 December 2016 Publication Editor: Christos Koutsampelas ERC Sponsors (in alphabetical order) Central Bank of Cyprus Directorate General for European Programmes, Coordination and Development Economics Department, University of Cyprus Ministry of Finance Ministry of Labour, Welfare and Social Insurance University of Cyprus Disclaimer: the views expressed in the Economic Policy Papers and Economic Analysis Papers are of the authors and do not necessarily represent the ERC. ii Factors that affect productivity and economic growth of European economies Elena Ketteni* and Theofanis Mamuneas ABSTRACT The wake of 2008 financial crisis and the current euro area crisis has highlighted the importance of productivity growth and competitiveness. “Persistent losses in competitiveness and mounting external imbalances not only increase the economic and financial vulnerability of individual countries, but given the strong financial and trade interconnectedness of the euro area countries may also hinder the functioning of the euro area as a whole”. So, a key driving force for the welfare and gains in income is how productive and competitive a country is. High productivity reduces average costs and in the long-run reduces product prices making the economy more competitive. Productivity improvement is challenging country’s capabilities to improve their economic competitiveness. It is generally acknowledged that, nowadays, due to the crisis, the pressure to maintain growth is felt most. Policy makers are challenged to develop strategies to foster growth. To support decision makers this study focuses on the factors that influence productivity and economic growth. Literature and theory point to various factors that affect productivity such as: taxes (income, company), innovation, regulations, R&D expenditure, and investment in information and communication technologies, educational attainment/human capital, patents, foreign direct investment and infrastructure expenditures. For this paper we have collected data on 30 European countries for the period 1996 to 2014. We used the gross value added, labor and capital to construct an index of productivity growth. This study focuses on factors that influence productivity and economic growth in various countries and to do so we have collected measures such as the: R&D expenditure (% of GDP), FDI net inflows and outflows (% of GDP), Gross enrolment ratios (primary, secondary and tertiary), Patent applications (number), ICT (% of GDP and growth rate). The results from our analysis, suggest that both expenditures (R&D and ICT) have positive impacts on TFP growth, as well as patent applications. Therefore higher innovation captured by R&D, ICT and patents causes an upward shift in the productivity. Increased FDI inflows do not seem to affect TFP in our analysis. Finally, the variables used to capture human capital show that: gross enrolments in primary education have a negative and significant effect on TFP growth, secondary enrolments appear insignificant and tertiary enrolments influence positively and significantly the TFP growth rate of the previously mentioned countries country. Based on that when the number of people iii entering tertiary education increases (suggesting higher human capital) this leads to a positive effect on TFP growth. Keywords: productivity, economic growth, ICT capital, R&D expenditures, human capital, innovation * Corresponding author, e-mail: [email protected] iv v CONTENTS 1. Introduction ............................................................................................... 9 2. Methodology and Data ........................................................................... 13 2.1 Model Specification ................................................................... 13 2.2 Data Description and Construction ............................................ 14 Empirical Estimation ................................................................................... 16 Conclusion .................................................................................................. 17 References ................................................................................................. 18 vi Παράγοντες που επηρεάζουν την παραγωγικότητα και οικονομική ανάπτυξη των Ευρωπαϊκών οικονομιών Έλενα Κεττένη και Θεοφάνης Μαμουνέας ΠΕΡΙΛΗΨΗ Η οικονομική κρίση του 2008 έφερε στο προσκήνιο τη σημαντικότητα της παραγωγικότητας και της ανταγωνιστικότητας μιας Ευρωπαϊκής οικονομίας. Το κλειδί για την ανάπτυξη, ευημερία και αύξηση του εισοδήματος μιας χώρας βρίσκεται στο πόσο παραγωγική είναι. Η υψηλή παραγωγικότητα οδηγεί σε μείωση του μέσου κόστους παραγωγής και των τιμών των προϊόντων κάνοντας τη χώρα πιο ανταγωνιστική. Είναι ευρέως γνωστό ότι τα τελευταία χρόνια υπάρχει μεγάλη πίεση στις Ευρωπαϊκές χώρες για οικονομική ανάπτυξη. Οι υπεύθυνοι πολιτικής βρίσκονται αντιμέτωποι με την πρόκληση να δημιουργήσουν στρατηγικές που θα οδηγήσουν στην ανάπτυξη των χωρών τους. Ένας τρόπος για να το πετύχουν αυτό είναι η αύξηση της παραγωγικότητας της χώρας. Η μελέτη αυτή, εξετάζει παράγοντες που επηρεάζουν την παραγωγικότητα και άρα την οικονομική ανάπτυξη μιας χώρας. Στην πρόσφατη βιβλιογραφία υπάρχουν πολλοί παράγοντες που επηρεάζουν την παραγωγικότητα όπως: φόροι (εισοδήματος, επιχειρήσεων), επενδύσεις σε νέες καινοτομίες, νέες τεχνολογίες της πληροφορικής, εκπαίδευση, έρευνα και ανάπτυξη, πατέντες, άμεσες ξένες επενδύσεις, κανονισμοί που διέπουν την αγορά προϊόντος και εργασίας και επενδύσεις σε δημόσιες υποδομές με θετικές επιδράσεις. Για τη μελέτη αυτή έχουν συλλεχθεί στοιχεία για 30 Ευρωπαϊκές χώρες για την περίοδο 1996-2014. Αρχικά χρησιμοποιώντας το προϊόν (ακαθάριστη προστιθέμενη αξία), το κεφάλαιο και την εργασία κατασκευάστηκε ο ρυθμός ανάπτυξης της παραγωγικότητας για κάθε οικονομία. Μετά συλλέχθηκαν στοιχεία για διάφορους παράγοντες που μπορεί να επηρεάσουν το ρυθμό αυτό. Συγκεκριμένα, θέλουμε να δούμε ποιοι παράγοντες από αυτούς επηρεάζουν θετικά την παραγωγικότητα μιας χώρας. Η οικονομετρική ανάλυση έδειξε ότι σημαντική θετική επίδραση στο ρυθμό της παραγωγικότητας έχουν οι επενδύσεις σε έρευνα και ανάπτυξη, οι νέες τεχνολογίες της πληροφορικής και ο αριθμός των πατέντων σε μια χώρα, ενώ οι άμεσες ξένες επενδύσεις δεν επηρεάζουν. Οι εγγραφές ατόμων σε πρωτοβάθμια εκπαίδευση επηρεάζουν αρνητικά, σε δευτεροβάθμια δεν επηρεάζουν καθόλου και σε τριτοβάθμια (ανώτερη) εκπαίδευση επηρεάζουν θετικά και σημαντικά την παραγωγικότητα μιας χώρας. Αυτό μας υποδεικνύει τη σημαντικότητα του ανθρώπινου κεφαλαίου τόσο για την αύξηση της παραγωγικότητας, όσο και για την οικονομική ανάπτυξη μιας χώρας. Λαμβάνοντας υπόψη αυτούς τους παράγοντες, οι ασκούντες πολιτικής μπορούν να επηρεάσουν την παραγωγικότητα και την οικονομική ανάπτυξη μιας οικονομίας. vii viii 1. Introduction The wake of 2008 financial crisis and the current euro area crisis has highlighted the importance of productivity growth and competitiveness. “Persistent losses in competitiveness and mounting external imbalances not only increase the economic and financial vulnerability of individual countries, but given the strong financial and trade interconnectedness of the euro area countries may also hinder the functioning of the euro area as a whole” 1. So, a key driving force for the welfare and gains in income is how productive and competitive a country is. Productivity is a measure of economic efficiency which shows how effectively economic inputs are converted into output. “Productivity is commonly defined as a ratio of a volume measure of output to a volume measure of input use. While there is no disagreement on this general notion, a look at the productivity literature and its various applications very quickly reveals that there is neither a unique purpose for nor a single measure of productivity”, (Paul Schreyer, OECD, 2001). National productivity estimates are of special importance because they are an input into many aspects of public policy making. For instance, the national monetary authorities consider national productivity growth estimates in making decisions about acceptable amounts of price inflation. Productivity also affects exchange rates employment, investment and consumption. Bearing this in mind, productivity growth is an essential determinant for monetary policy 2. There is evidence that increases in productivity are associated with low inflationary pressures and increases competitiveness. High productivity reduces average costs and in the long-run reduces product prices making the economy more competitive. Nothing contributes more: to reduction of poverty, to increases in leisure, and to the country’s ability to finance education, public health, environment and the arts” (Alan Blinder and William Baumol 1993, Economics: Principles and Policy, Harcourt Brace Jovanovich, San Diego, p. 778). OECD report (2001) states also that increases in productivity are associated with higher technical change or according to Grilliches (1988) better ways to convert resources into outputs, higher efficiency (movements towards best practice in order 1 See ECB (2012). Working paper series 1431, Productivity in the Euro Area, Any evidence of convergence? 2 For more details regarding productivity and monetary policy see ECB 2008 Monthly Bulletin (Jan 2008) 9 to achieve maximum amount of output that is physically achievable with current technology and given inputs, Diewert and Lawrence, 1999) and real cost savings in production (Harberger, 1998). The two most widely used measures of productivity are those of Total Factor Productivity (TFP) and Labour Productivity (LP). But these measures are not independent of each other. Total-factor productivity (TFP), also called multi-factor productivity and used in our analysis, is a variable which captures the part of real GDP growth which is unexplained by the contributions from labour and capital. It shows how productively combined labor and capital inputs are used to generate GDP. TFP growth reflects phenomena such as advances in general knowledge, advantages of particular organizational structures or management techniques, reduction in inefficiency and reallocations of resources to more productive uses. TFP cannot be measured directly. Instead it is a residual, often called the Solow residual, which accounts for effects in total output not caused by inputs. Productivity improvement is challenging country’s capabilities to improve their economic competitiveness. It is generally acknowledge that nowadays, due to the crisis, the pressure to maintain growth is felt most. Policy makers are challenged to develop strategies to foster growth. To support decision makers this study focuses on the factors that influence productivity and economic growth. Literature and theory point to various factors such as: income taxes, innovation, regulations R&D expenditure and educational attainment among other (Eichler et. al., 2006; Havik et. al., 2008). Specifically productivity is affected by, income and company taxes (tax on investment) with negative effects on productivity growth. That is, higher taxes reduce productivity growth. The income taxes appear to have a stronger and bigger impact. Tax burden on investment and on highly qualified employees both influence productivity growth negatively. This is important for policy considerations, along with the fact that tax on employees has the strongest negative impact. More innovation 3 increases productivity growth. Available innovation resources (indicators such as: R&D expenditure share of GDP, labor force with secondary or tertiary degree, human capital, ICT intensive technology) positively influence economic growth. But sometimes the effect of these appears to be low. Maybe the reason is that these do not reflect the more important kinds of innovation resources 3 By innovation we mean technological knowledge, process of creation, accumulation and diffusion or adoption of knowledge. 10 and also fostering innovation is not the quick and easy policy solution to solve all growth problems. Moreno and Surinach (2014) indicate a positive role of innovation adoption in fostering economic progress when it is fostering competitiveness, productivity and job creation. Product and labor market regulations both have a mixed effect (positive and negative) on productivity and GDP growth. Specifically, labour market regulations have a positive impact on productivity growth but their general effect depends on the type of regulation; i.e. minimum wages affect only the less qualified labor. So sometimes the overall effect on GDP (not just productivity) is found to be negative. Product marker regulations generally have a negative effect on growth, even though there is no conclusion that this effect does not vary. Another factor found in the literature that affects productivity is investment. Expenditures on tangible assets, education, training and other human capital accumulation as well as R&D, ICT and public infrastructure play an important role in the growth of a country, even though their precise effect on productivity differs (Stiroh, 2001). Also openness to trade was found to have a positive effect on total factor productivity growth. Openness was found to promote a higher standard of living, while countries that pursue greater outward orientation can experience faster economic growth (Miller and Upadhyay, 2002). The literature suggests that among the most important determinants of productivity growth are education, health, infrastructure, imports, institutions, openness to trade, financial development, absorptive capacity, human capital, R&D expenditures and ICT, intangibles (Isaksson, 2007; Bart van Ark, 2014). Achieving sustainable growth is challenging especially in Europe. Economic growth results from competitiveness. But EU competitiveness is weakened by both internal (high cost business environment with an ageing and relative expensive labor force, weakened innovation, high debt levels) and external (the financial system is not able to attract enough investment) factors. Still the EU has the potential for growth but needs to initiate the right reforms to boost its competitiveness. Creating new business opportunities would allow firms to invest more increasing their competitiveness and fostering growth. Investment in education, enhancing the movement of highly skilled workers (highly skilled migration), create the conditions for higher public and private investment by encourage the more business friendly taxation. Other factors include: investment in 11 infrastructure; innovation; better access to finance; smart use of public funds; intraEU trade; and a single market for energy. Improve the general framework of EU policy by overcoming fiscal and budgetary freeriding and strengthening financial market 4. The European Investment Bank (EIB, 2011) stressed that Europe’s need for productivity growth has become most pressing against problems faced by economies such as debt and slowdown in labor supply. The EIB suggests that: o Governments should embrace domestic and international competition by dismantling anti-competitive product marker regulations especially in services. o Private and public R&D should feature high on the policy agenda and their effectiveness should be enhanced by removing overly protective elements of the patent system. o Education attainment and quality as well as life-long learning should be fostered and more emphasis put on ICT. Investments are needed in more profitable areas. o Productivity enhancing resources require lower employment protection and stronger incentives for regional and sectoral mobility The European Central Bank (ECB, Occasional Paper 53, 2006) examined productivity developments in the euro area and they compared it with that of the US. They studied the period spanning from 1980-2005 and they found that labour productivity growth since mid-1990’s has fallen while in US it rose during the same period. That decline was due to lower capital deepening (especially ICT capital) and lower total factor productivity growth. The ECB (Occasional Paper 72, 2007) investigates also the role of financial systems in productivity, innovation and growth. They suggest that there are ways to improve the financial markets performance in Europe and by that to increase the contribution of financial system to productivity, innovation and growth. The improvement of corporate governance, legal systems in resolving conflicts in financial transaction and some structural features of the European bank sectors are the most robust conclusions that these paper presents. Finally, ECB (Working Paper 1431, 2012) studied whether productivity convergence has taken place among euro area countries, with the results suggesting that no 4 Lighthouse Europe (2015), study on the key factors affecting the future growth of Europe prepared for EESC. 12 convergence exist at the aggregate level whether at the sectoral level there are only small indications. It also concluded that highly educated workforce and investment in R&D are positive determinants for productivity growth whereas higher regulatory burden pushing productivity growth down. To support decision makers this study focuses on the factors that influence productivity and economic growth in various countries. The next section presents the methodology and data used for the construction of TFP. In the sections that follow we have the results and the final section concludes. 2. Methodology and Data In this section we present the construction of the productivity indices and the data used in our analysis. 2.1 Model Specification Productivity, also known as TFP or Multi-Factor Productivity, is computed using the Growth Accounting framework (Solow, 1957). Growth Accounting provides a suitable framework for identifying individual factors of growth and summarising them in a convenient way. It provides a useful framework for analyzing observed output growth into components associated with changes in factor inputs and a residual. This residual is known as Total Factor Productivity or Multifactor productivity. The Growth Accounting framework is empirically motivated and can be seen as a first attempt to understand the long-term growth process. It essentially implies breaking down observed real GDP growth into the contributions from pertinent factor growth such as labor, capital and technology. Growth accounting provides a residual measure of TFP growth, which is in fact an index number and depends on the functional form of the production function used. Specifically, Solow’s (1957) seminal paper provides a convenient context for introducing the basics of growth accounting, which has influenced numerous subsequent growth accounting studies. Following his notion, we define a production function as: 𝑌 = 𝐹�𝐾, 𝐿, 𝐴�, 13 where Y is the quantity of output, K is the capital input; L is the labor input and A the level of technology (TFP). Differentiating with respect to time and dividing by Y (rearranging in terms of growth rates) 𝑦� = 𝜕𝜕 𝐾 𝜕𝜕 𝐿 𝜕𝜕 𝐴 𝑘� + 𝑙̂ + 𝐴̂ 𝜕𝜕 𝑌 𝜕𝜕 𝑌 𝜕𝜕 𝑌 (1) 𝑑𝑑 where (.�) stands for the growth rate e.g. 𝑥� = 𝑑𝑑 /𝑋. Then the rate of TFP change or Solow residual 𝑇� is calculated as a residual: 𝑇� = 𝜕𝜕 𝐴 𝜕𝜕 𝐾 𝜕𝜕 𝐿 𝐴̂ = 𝑦� − 𝑘� − 𝑙̂ 𝜕𝜕 𝑌 𝜕𝜕 𝑌 𝜕𝜕 𝑌 (2) Equation (2) is however impractical since the marginal product of capital, 𝜕𝜕 𝜕𝜕 𝜕𝜕 and labour,𝜕𝜕 inputs are unobservable. But, assuming that firms maximize profits then the social marginal products must be equal to the observed factor prices. Therefore, equation (2) becomes: 𝜕𝜕 𝐴 𝐴̂ = 𝑦� − 𝑠𝐾 𝑘� − 𝑠𝐿 𝑙̂ = 𝑇� (3) 𝜕𝜕 𝑌 where (^) denotes again growth rate and si indicates the output shares of capital and labor. This framework grew phenomenally from 1957 and was extended and applied in various empirical studies. Further, in this paper it is assumed that Solow residual it depends on variables z that might influence productivity and the exogenous technical change. Therefore (3) becomes 𝑇� = 𝛼 + 𝛽 𝑧̂ (4) 2.2 Data Description and Construction For our methodology one needs data for the prices and quantities of both the output and the inputs. We obtained relevant data from several publications of Eurostat and the European Commission. The data cover the period 1995 to 2014. The countries included in our analysis are: Belgium, Bulgaria, Czech Republic, Denmark, Germany, Estonia, Ireland, Greece, Spain, France, Italy, Cyprus, Latvia, Lithuania, Luxembourg, Hungary, Malta, Netherlands, Austria, Poland, Portugal, Romania, Slovenia, Slovakia, Finland, Sweden, UK, Norway, Switzerland and Iceland. All prices are expressed in constant Euros of year 2000. The measure is billions of Euros. 14 The variables used for our analysis are: Gross Value Added in current prices and constant 2000 prices, Employees (total and self employees), Total hours worked (man hours, again for total and for self employees), investment in current prices and in 2000 prices and Compensation of employees. For the construction of the output variable, we use the value added in current prices (used as the value of output), along with the value added in constant prices (considered as the quantity of output). Dividing current with constant prices, the price of output is obtained. For labor, necessary data are the price and quantity of labor. The compensation of employees was used as the value of labor, adjusted to include the self employees, a procedure followed also by the European Central Bank. Having the value of labor and hours worked (again adjusted to include the self employees) the price of labor was obtained, which was transformed in order to be expressed in 2000 prices. Combining labor price and labor value one can derive the quantity of labor in 2000 prices. Investments, in current and constant prices, were used in order to construct the capital stock. The value of capital was obtained using the value added in current prices and the value of labor. The perpetual inventory method was followed with a constant depreciation rate of 5%, to get the quantity of capital. For the initial value (initial period t = 0) of the quantity of capital we use the initial capital stock obtained from the European Commission data. Following Christensen, Cummings and Jorgenson (1981) and Jorgenson and Nishimizu (1978) in order to be able to compare countries, we require comparable measures of factor inputs and output. To achieve comparability in measuring output and factor inputs one needs to employ purchasing power parities (PPP) of output, capital and labor for all the countries under consideration. Therefore, all price and quantity data are expressed in constant 2000 Euros and are PPP adjusted. Using the above inputs and output we construct the index of TFP growth based on equation (3). The TFP growth is constructed as output growth minus a weighted sum of the growth of all inputs. For the variables z that might influence productivity we have collected additional data from OECD, WDI (World Development Indicators) and Eurostat, for various countries. We have collected measures such as the: R&D expenditure (% of GDP), FDI net inflows and outflows (% of GDP), Gross enrolment ratios (primary, 15 secondary and tertiary), Patent applications (number), ICT (% of GDP and growth rate). Empirical Estimation Using the variables z, mentioned above in the data section, we will examine the relationship between the multifactor productivity and factors that appear in the literature to influence productivity for a set of European countries. For our estimation equation (4) becomes: 𝑇� = 𝛼 + � 𝑎𝑖 𝐷𝑖 + � 𝑎𝑡 𝐷𝑡 + 𝛽 𝑧̂ 𝑖 𝑡 Time and country dummies (𝐷𝑡 , 𝐷𝑖 ) are also included in our regressions to capture differences in countries and time. Specific F-tests suggested that the dummy variables are jointly significant and should be included in our models. Results are presented in Table 1. Table 1: Empirical Results VARIABLES ESTIMATES Rd percentage of GDP 0.0347** (0.0043) 0.0013 (0.0009) -0.0015*** (0.0008) -0.0002 (0.0004) 0.00005** (0.00001) 0.0247** (0.0084) 0.0065* (0.0011) 0.125*** (0.0743) Foreign Direct Investment Gross enrolment ratio primary Gross enrolment ratio secondary Patent applications ICT percentage of GDP Gross enrolment ratio tertiary Constant Observations R-squared 308 0.377 Standard errors in parentheses *** p<0.01, ** p<0.05, * p<0.1 In order to capture the innovation effects on TFP growth, we have used variables such as R&D and ICT expenditures as a % of GDP, Patent applications and FDI inflows. The results of Table 1 suggest that all our variables appear significant 16 except the FDI inflows. Both expenditures (R&D and ICT) have positive impacts on TFP growth. Increasing investment in R&D and ICT technologies will cause an increase in the TFP growth of a country. Finally, patents also have a positive, but smaller, effect on TFP growth, so increases the number of patent applications within a country also positively influences its TFP growth rate. Also, in Table 1 shows the effect from human capital approximated by gross enrolment ratios (%). The variables used to capture human capital show that: gross enrolments in primary education seem to have a negative and significant effect on TFP growth, secondary enrolments appear insignificant and tertiary enrolments influence positively and significantly the TFP growth rate of a country. More people entering tertiary education (suggesting higher human capital), there is a positive effect on TFP growth. Conclusion Productivity growth is an essential contributor of economic growth and competitiveness in a country; the pressure to increase growth is strongly felt nowadays. The literature and theory point to various factors that affect productivity and this can support decision makers, with regards to achieving productivity growth. This study focuses on factors that influence productivity and economic growth in various countries: Belgium, Bulgaria, Czech Republic, Denmark, Germany, Estonia, Ireland, Greece, Spain, France, Italy, Cyprus, Latvia, Lithuania, Luxembourg, Hungary, Malta, Netherlands, Austria, Poland, Portugal, Romania, Slovenia, Slovakia, Finland, Sweden, UK, Norway, Switzerland and Iceland. To do so we have collected measures such as the: R&D expenditure (% of GDP), FDI net inflows and outflows (% of GDP), Gross enrolment ratios (primary, secondary and tertiary), Patent applications (number), ICT (% of GDP and growth rate) for the period 20002014. The results from our analysis, suggest that both expenditures (R&D and ICT) have positive impacts on TFP growth, as well as patent applications. Therefore higher innovation captured by R&D, ICT and patents causes an upward shift in the productivity. Increased FDI inflows do not seem to affect TFP in our analysis. Finally, the variables used to capture human capital show that: gross enrolments in primary education have a negative and significant effect on TFP growth, secondary 17 enrolments appear insignificant and tertiary enrolments influence positively and significantly the TFP growth rate of the previously mentioned countries country. Based on that when the number of people entering tertiary education increases (suggesting higher human capital) this leads to a positive effect on TFP growth. References Bart van Ark, 2014, TFP: Lessons from the past and directions for the future, working paper research, No. 271, National Bank of Belgium. Diewert, W.E. and Lawrence, D. 1999, Progress in measuring the price and quantity of capital, Discussion paper 99-17, University of British Columbia, Canada. EIB papers, 2011, Productivity growth in Europe: Long term trends, current challenges and the role of economic dynamism, volume 16 (1). Eicher, M., et. al. 2006, Determinants of productivity growth, Research program “Policy and regional growth”, BAK report 2006/1, Basel. Grilliches, Z. 1987, Productivity puzzles and R&D: Another Nonexplanation, Journal of Economic Perspectives, volume 2 (4), pages 9-21. Harberger, A. C. 1998, A vision of the growth process, American Economic Review, volume 88(1), pages 1-32. Havik, K., et. al. 2008, The EU-US TFP gap: An industry perspective, European Economy, Economic paper 339. Isaksson, A., 2007, Determinants of TFP: a literature review, Research and Statistics Branch, Staff working paper 02/2007, United Nations Industrial Development Organization. Miller, S. M. and Upadhyay, M. P. 2002, TFP, human capital and outward orientation: differences by stage of development and geographic regions, Draft. Moreno, R. and Surinach, J. 2014, Innovation adoption and productivity growth: Evidence for Europe, Research Institute of Applied Economics, Working paper 2014/13. 18 Schreyer, P. 2001, Measuring productivity, OECD publications. Solow, R. M. 1957, Technical change and the aggregate production function, Review of Economics and Statistics, volume 39(3), pages 312-320. Stiroh, K. J. 2001, What drives productivity growth?, FRBNY Economic Policy Review, March. 19 RECENT ECONOMIC POLICY/ANALYSIS PAPERS 09-16 Eliophotou, M. and N. Pashourtidou, “ Low Socioeconomic Status Students in Higher Education: Entry, Academic Attainment and Earnings Expectations”, December 2016. 08-16 Theodotou, S. and S. Clerides, “ Integrating and Assessing Economic Evidence under Cyprus Competition Law: Case Comment on the Cyprus Commission for the Protection of Competition Decision No. 42/2014”, December 2016. 07-16 Zachariadis, T., “Proposal for a Green Tax Reform in Cyprus”, December 2016. 06-16 Savva, C., “Factors Affecting Housing Prices: International Evidence”, November 2016. 05-16 Papamichael, C. and N. Pashourtidou “The role of survey data in the construction of short-term GDP growth forecasts”, September 2016. 04-16 Karagiannakis, C., P. Pashardes, N. Pashourtidou and S. Andreou “The CypERC property price index: data and estimation methods”, May 2016. 03-16 Michail A. M. and M.C. Polemidiotis “ Estimates of Public, Housing and Other Private Sectors Net Capital Stocks for the Cyprus Economy: 1995Q1-2015Q4”, April 2016. 02-16 Polycarpou, A. “The output gap in Cyprus and EU-28”, April 2016, 01-16 Koutsampelas, C. “The Cypriot GMI scheme and comparisons with other European countries”, April 2016. 10-15 Polycarpou, A. “Methodologies for estimating the output GAP with an application to Cyprus”, December 2015. 20