2014 Cambridge Conference Business & Economics ISBN : 9780974211428 Real convergence, economic crises and EU cohesion policy Bartosz Jóźwik Institute of Economic and Management, The John Paul II Catholic University of Lublin, Poland, email: bjozwik@kul.pl Henryk Ponikowski Institute of Economic and Management, The John Paul II Catholic University of Lublin, Poland, email: henryk.ponikowski@kul.pl Abstract Real convergence is one of the major objectives of the EU cohesion policy in the period 2007-2013. This objective covers the poorest EU regions, defined as convergence regions. This paper attempts to verify the hypothesis that the real economic convergence of the European Union is progressing as a result of the accelerated development of “convergence regions”. Despite the fact that the hypothesis about convergence has been confirmed by many other researchers, they have only rarely dealt with the convergence that occurred during the last economic crisis in 2007-2009. We examined the real convergence of the GDP per capita across the EU regions in 2000-2010 and estimated the convergence of the GDP per capita across European regions following the classical approach: the absolute beta and sigma convergence model. Additionally, we proposed to use the three-sigma rule. Our studies confirm the hypothesis that the EU poorer regions known as convergence regions tend to grow faster than rich ones. In the period 2000-2010, the convergence regions achieved a significantly higher growth rate than the other strong EU regions. Real convergence is also confirmed by the examination based on the triple convergence band. The results of our examination show that the process of convergence within the EU-27 during the economic crises in 2007-2009 occurred as a result of the GDP per capita growth across the convergence regions and the declined growth rate within the other regions. JEL: F15, F42 Keywords: convergence, economic crises, economic integration, cohesion policy. 1. Introduction Real convergence is one of the major objectives of the EU cohesion policy in the period 20072013. This objective covers the poorest EU regions, defined as convergence regions. The key objective in these regions, eligible for the cohesion policy, involves the stimulation of the growth potential to maintain and achieve high growth rates there. This objective should be approached in view of the unprecedented rise in disparities within the enlarged European July 1-2, 2014 Cambridge, UK 1 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 Union, the long-term efforts that will be needed to reduce them and the contribution to the competitiveness of the whole European Union (Communication from the European Commission, 2005). The regions targeted by the Convergence objective are the regions whose per capita gross domestic product (GDP) measured by purchasing power parity is less than 75% of the European Community average. The regions suffering from the statistical effect due to the reduced European Community average following the European Union enlargement are to benefit for that reason from substantial transitional aid in order to complete their convergence process. Additionally, the EU Member States targeted by the Convergence objective whose per capita gross national income (GNI) is less than 90 % of the European Community average are to benefit under the Cohesion Fund (Council Regulation, 2006). Recent studies indicate progressive convergence in the European Union, but they have only rarely dealt with the convergence that occurred during the last economic crisis in 20072009. Therefore, examining the convergence in the EU should raise some questions: whether and what implications the economic crisis has had for the convergence across the EU Member States and regions and whether the economic convergence (or divergence) of the European Union has been brought on by the high GDP growth rate in the convergence regions or perhaps the declined GDP in the developed EU members states and regions during the economic crisis. In this paper, we also attempt to verify the hypothesis that the real economic convergence of the European Union is progressing as a result of the accelerated development of convergence regions. The paper is organised as follows. The introduction is followed by the section that overviews the studies on economic convergence mainly in the EU member states and regions. The next section describes the research methods adopted here, i.e. the methods of measuring convergence and volatility in the GDP growth rate. The fourth and fifth sections present the research results. The last section concludes the paper. July 1-2, 2014 Cambridge, UK 2 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 2. Literature review Economic convergence has been examined by many researchers, including: Baumol (1986), Dowrick & Nguyen (1989), Barro, Mankiw and Sala-i-Martin (1992) or Ben-David (1993). Convergence across countries was extensively investigated by, for example, O’Rourke and Williamson (1994), Sachs and Warner (1995) and O’Rourke (1999). In the 1990s, there were many studies on regional convergence. For example, Barro, Sala-i-Martin, Blanchard and Hall (1991), Barro and Sala-i-Martin (1992) and Armstrong (1995) thoroughly examined the regional convergence in the European regions, U.S. states, Japanese prefectures, Canadian and Australian provinces. Their results suggest that convergence occurred in those areas but its pace varied considerably over various periods. We, however, intended to draw attention to the research into this period by Neven and Gouyette (1995). The authors examined the convergence in the output per capita across the European Community regions in the period 1975-1990. They observed that the pattern of convergence varied sharply across different sub-periods and regional subsets. In the early 1980s, the south of Europe seemed to catch up with the leading EU countries and stagnated in the late 1980s. The regions in the north of Europe, by contrast, tended to stagnate or diverge in the early 1980s and strongly converge later. The authors noticed that this pattern was consistent with the view that northern European countries adjusted better to the main change in the policy regime in the mid-1980s, namely the internal market programme as well as the accession of the Iberian Peninsula countries to the European Community in 1985. As soon as the internal market programme was implemented, the hypothesis about convergence in the European Union was confirmed by many other researchers. For example, Eckey, Dreger, and Türck (2009), who studied the convergence in the 233 regions at the NUTS 2 level in a group of 23 EU member states in 1995–2003, confirmed the hypothesis about convergence. They used the human capital augmented Solow model because human capital has a strong influence July 1-2, 2014 Cambridge, UK 3 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 on regional production. They argued that there was a process of economic convergence across the said regions and even predicted that it would be accelerated by the regions of the new EU member states. Contemporary extensive studies on the EU regional economic convergence often attempt to verify the implementation of the EU (regional) cohesion policy. However, Sala-iMartin (1996) argued that the impact of the government on the process of convergence is minor by observing that the rates of convergence are surprisingly similar across the U.S. states. He added that since the degree to which national governments use regional cohesion policies is very different, the fact that convergence rates are very similar across countries suggests that a public policy plays a secondary role in an overall process of regional convergence. Using cross-sectional and panel data analysis, Rodriguez-Pose and Fratesi (2004) proved that the previous failure of the European development policies to fulfil their objective of delivering greater economic and social cohesion by examining how the European Structural Funds support were allocated among different development axes in Objective 1 regions. They discovered that, in spite of concentrating development funds on infrastructure and business support, the results were negligible. The assistance to agriculture brought about a short-term positive effect which, however, declined soon. Only investment in education and human capital had medium-term positive and significant returns. More optimistic about regional and cohesion policies were the studies by Cappelen, Castellacci, Fagerberg, and Verspagen (2003) and Esposti and Bussoletti (2008). Cappelan et al. suggested that the EU regional support had a significant and positive impact on the growth performance of European regions. The authors stated that the major reform of the structural funds in 1988 may have succeeded in making the EU regional policy more effective. Their results also indicate that the economic effects of the regional policy are much stronger in more developed environments, emphasising the importance of accompanying policies to improve July 1-2, 2014 Cambridge, UK 4 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 the competence of the receiving environments. Esposti and Bussoletti also confirmed a positive impact of the regional policy, in particular the impact of Structural Funds on Objective 1 across the entire EU. The authors analysed the data for the 206 regions of the EU15 for the period 1989–2000. They estimated the impact of European Structural Funds on Objective 1 regions, using a growth convergence model. The estimated conditional convergence model was derived from the underlying neoclassical growth model where Structural Funds expenditures were included as a determinant of the regional investment rate. However, the impact of the Objective 1 policy on growth was generally quite limited and might have become negligible and even negative in some regions. The authors gave the examples of regions grouped by country, e.g. Germany, Greece and Spain. Also, we would like to focus on how an appropriate approach to the role of spatial effects may shed new light on the European convergence process. Ramajo, Márquez, Hewings and Salinas (2008), adopting a spatial econometric perspective, estimated the rate of convergence for a sample of 163 regions of the European Union over the period 1981–1996. They found that the regions in the EU cohesion-fund countries (Ireland, Greece, Portugal and Spain) converged separately from the remaining EU regions. Their estimations indicated the faster conditional convergence relative to the income levels in the regions of the Cohesion countries (5.3%) than in the other EU regions (3.3%). Other studies on convergence, especially in the enlarged EU after 2004, were done by, e.g. Smętkowski and Wójcik (2008), Monfort (2009), Petrakos and Artelaris (2009), Łaźniewska, Górecki and Chmielewski (2011) and Ryszkiewicz (2013). Nevertheless, previous studies have only rarely dealt with the convergence that occurred during the last crisis in 2007–2009. However, the Eurostat database on the evolution of the regional GDP per capita within the EU during and just after this economic crisis enables us to examine this phenomenon here. July 1-2, 2014 Cambridge, UK 5 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 3. Estimation techniques/analytical framework This paper employs the Eurostat data which is informative about the regional level. We analyse the data on the GDP per capita and real GDP in 2000–2010 the NUTS 2 regions for all of . The data on the GDP per capita are expressed at current market prices and purchasing power standards, and the data on the real GDP in purchasing power standards. The variable t from the period 2000–2010 is 11 years and the variable n is 270 regions. Among the 270 EU regions, there are 84 convergence regions located in 18 countries (see Annex 1). Due to the lack of data, we do not take into account the following regions: Dresden (DE), Chemnitz (DE), Leipzig (DE), Emilia-Romagna (IT) and Marche (IT). Most of the studies on regional convergence in GDP per capita apply the concepts of sigma and beta convergence introduced by Barro and Sala-i-Martin (1991, 1992) (Ezcurra, Gil, Pascual and Rapu, 2005). Those two concepts of convergence examined interesting phenomena which are conceptually different: sigma convergence studies focused on the evolution of income distribution over time and beta convergence studies the mobility of income within the same distribution (Sala-i-Martin, 1996). Both of them are adopted here. Sigma convergence occurs when the dispersion of the GDP per capita for a studied group of territorial units, like countries or regions, decreases over a given period of time. This means that the standard deviation as a measure of volatility in the level of development decreases over time, i.e. when where is the standard deviation calculated as follows: July 1-2, 2014 Cambridge, UK 6 2014 Cambridge Conference Business & Economics Accordingly, we arrive at the following vector – ISBN : 9780974211428 – if the standard deviation of the natural logarithms of the GDP per capita for all the units in the next years is calculated according to the formula (1). To show a development trend in the standard deviation calculated thus, a linear trend equation is formulated: A decreasing trend of the standard deviation of a natural logarithm of the GDP per capita can indicate sigma convergence, whereas an increasing trend can indicate divergence. Convergence can be determined by another method, known as beta convergence1. The concept of beta convergence is related to the neo-classical growth theory whose one of the key assumptions is that factors of production are subject to diminishing returns. This growth process should lead economies to a long-run steady-state characterised by a rate of growth which depends only on the (exogenous) rates of technological progress and the growth of labour force. Beta convergence is said to be absolute when all economies are assumed to converge towards the same steady-state (Monfort, 2009). Absolute beta convergence occurs when poor economies grow faster than rich ones. If the value of the GDP per capita is assumed to reflect the level of economic development, countries (or regions) with a lower GDP per capita should have a faster rate of growth than economies (or regions) with a higher level of GDP per capita. In the literature, it has often been stressed that a necessary condition for the existence of sigma convergence is the existence of beta convergence (Sala-i-Martin, 1995). In order to evaluate whether absolute beta convergence is occurring, the relationship between the growth rate of the GDP per capita of the studied regions and the level of their 1 The literature distinguishes two types of beta convergence: unconditional (absolute) and conditional. The calculation in this paper employs absolute convergence only. July 1-2, 2014 Cambridge, UK 7 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 development calculated by the GDP per capita needs to be specified. The mean growth rate of the GDP per capita in the i-th region between years and is specified by the formula (3): where: – the logarithm for the mean growth rate of the GDP per capita in the i-th region between years and , – the GDP per capita in the i-th region in the first year of the examination, – the GDP per capita in the i-th region in the last year of the examination, – the first year of the examination, – the last year of the examination, – the number of years between the first and the last year of the examination. The regression equation is applied to evaluate the parameters (Sala-i-Martin, 1995): , which enables the verification of the hypothesis about the occurrence of absolute beta convergence. Absolute beta convergence will occur if parameter is a negative number, which means a higher growth rate of the GDP per capita in regions with a lower GDP per capita in an initial stage than in regions with a higher GDP per capita in an initial stage. Additionally, to study the convergence, we use the triple convergence band. The triple convergence band is the relation between the arithmetic mean . The ranges of variability – , and and the standard deviation – can be properly known as single, double and triple bands. The triple convergence band, which takes into account the July 1-2, 2014 Cambridge, UK 8 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 range of the dispersion of the GDP per capita for almost all of the regions under study, can be regarded as a good measure of convergence.2 Obviously, bands contract during less volatile per capita GDP periods and widen during volatile GDP per capita periods. However, convergence can be better understood if the developing trends of the upper and lower triple convergence band edges are investigated. Actually, convergence occurs when a convergence band is contracting. Although an empirical distribution of the GDP per capita has positive asymmetry, the idea of a convergence band confirms the EU’s development tendencies, which occur between the mean level of the GDP per capita and its standard deviation. Therefore, this method can be a useful tool to measure economic convergence. 4. Regional economic convergence across the EU member states Sigma convergence occurs when a long-term development trend in disparities in an economic development level is decreasing. This means, in fact, a downward trend in the natural logarithms of the GDP per capita. The following functions of the trend were achieved for the said regions in 2000–2010: for the convergence regions and for the EU-27, for the non-convergence regions; see Figure 1. 2 A two-standard deviation range is known in stock market investigation as the Bollinger band. July 1-2, 2014 Cambridge, UK 9 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 Figure 1. Regional sigma convergence across the EU-27 member states, the convergence regions and non-convergence regions (GDP per capita at current prices) Source: self-developed based on the Eurostat data. This means that economic convergence is occurring in all NUTS 2 regions in the EU-27. Convergence is also occurring across convergence and non-convergence regions. The downward trend in the standard deviation of the natural logarithms of the GDP per capita for all the EU-27 regions (the slope of the trend is -0.0245) is similar to that for convergence regions (the slope of the trend is -0.0262). Figure 1 also shows the divergence which occurred in 2008, just during the economic crisis. Investigations into the regional GDP per capita inequalities and convergence in the European Union also need to capture disparities in prices and their effects on purchasing power. Therefore, our next investigation on sigma convergence employs GDP per capita in purchasing power standards that captures price disparities at the national level. These disparities chiefly refer to the prices of non-tradable goods which do not converge towards the common international price level. In particular, the price level in the new EU Central and Eastern Europe member states is lower than in the EU-15 and, thus, their purchasing power is higher than the one indicated by GDP per capita measured in the Euro (Niebuhr and Schlitte, 2004) p. 172. Figure 2 illustrates the regional sigma convergence across the EU-27 member July 1-2, 2014 Cambridge, UK 10 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 states as well as the convergence regions and non-convergence regions based on GDP per capita in purchasing power standards. Figure 2. Regional sigma convergence across the EU27 member states, convergence regions and non-convergence regions (GDP in purchasing power standards) Source: self-developed based on the Eurostat data. Regarding these price disparities, different results have been achieved. The UE-27 regions show a significantly low convergence rate, i.e. 1% compared to a nearly 2,45% rate of GDP per capita at current prices. The same applies to the convergence within the convergence regions although the convergence rate remains there at a higher rate of 1,1%. Beta convergence is the second method we employ to examine convergence. Beta convergence occurs when regions with a low level of development in a base year can achieve a higher GDP per capita growth rate in the next years than territorial units with higher levels of development. There are at least three reasons for such convergence. Firstly, the development of any economy tends to converge with the path to sustainable growth, known as steady-state, so poorer economies can be expected to approach richer ones. Secondly, the rate of growth on capital is slower in economies with higher capital per worker, which can stimulate the capital flow from rich to poor economies and thus favour convergence among countries. Finally, the spread of knowledge and technology is delayed, which generates income discrepancies because there will always be countries that still do not apply the best July 1-2, 2014 Cambridge, UK 11 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 solutions. These discrepancies may disappear as soon as poorer countries gain access to up-todate knowledge and technology (Romer, 2000). Consequently, there are certain phenomena typical of the process of imitation, which are well known in the literature. The research into the correlation between the mean GDP per capita in purchasing power standards growth rate in 2000–2010 and the GDP per capita in 2000 for all the EU-27 regions has confirmed that beta convergence is occurring in the European Union (Figure 3). - triangles represent the convergence regions, - crosses represent non-convergence regions (developed regions) Figure 3. Regional beta convergence across the EU-27 at the NUTS 2 level Source: self-developed based on the Eurostat data. Actually, the underdeveloped convergence regions achieved a much higher growth rate over the period under study than the other developed EU regions. In the long run, this situation must result in balancing the levels of development of all the regions. July 1-2, 2014 Cambridge, UK 12 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 Our third examination of economic convergence is based on the triple convergence band. The clearly contracting convergence band for all the EU-27 regions also indicates the ongoing process of convergence. The smallest width was reported for all the EU-27 in 2008. One can also notice that the lower triple band edge for all the EU-27 regions tends to increase, whereas the upper one tends to decrease (Figure 4). Figure 4. Triple convergence bands for the EU-27 regions Source: self-developed based on the Eurostat data. The decreasing trend of the upper triple band edge for the EU-27 can indicate that the EU’s economy growth is slowing. Simultaneously, the increasing trend of the lower band edge indicates that convergence is progressing due to the accelerated development of weaker regions. It should be emphasised that the upper band edge represents the regions with the highest level of development such as Luxembourg (LU) and Inner London (UK), whereas the lower band edge, the weakest regions among the convergence regions such as Severozapaden (BG), Severen tsentralen (BG), Severoiztochen (BG) Yugoiztochen (BG), Yugozapaden (BG), Yuzhen tsentralen (BG), Nord-Vest (RO), Centru (RO), Nord-Est (RO), Sud-Est (RO), Sud – Muntenia (RO), Sud-Vest Oltenia (RO) and Vest (RO). 5. Convergence and economic crises July 1-2, 2014 Cambridge, UK 13 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 The fluctuations in the convergence regions GDP growth rate examined over the period 20002010 are increasingly converging with the fluctuations in the GDP growth rate within the nonconvergence regions. These fluctuations, however, differed greatly in the early 1990s. Those differences were mainly due to the economic transformation across the Central and Eastern European EU member states. Figure 5 depicts the regional chain-weight GDP growth rate for the convergence regions, the EU-27 regions and non-convergence regions in 2000-2010. Figure 5. Regional chain-weight GDP growth rate for the convergence regions, the EU-27 regions and the non-convergence regions Source: self-developed based on the Eurostat data. As seen, the regional GDP growth rate in the convergence regions is higher than in the EU-27 and logically, in the non-convergence regions. Accordingly, the development disparities in the EU are undoubtedly reduced, which triggers economic convergence. It should be pointed out that the chain-weight GDP growth volatility (until the previous year) is decreasing for both groups of regions (convergence and non-convergence regions) mainly due to the 2000 economic downturn and the much stronger crisis that began in 2007. Actually, the economic crisis of 2007–2009, as confirmed by research, affected the convergence regions to a lesser extent, which must have been obviously reflected in the way in which convergence was proceeding. These figures confirm the fact that the process of convergence in the European Union during the crisis resulted from both the regional GDP growth in the convergence July 1-2, 2014 Cambridge, UK 14 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 regions and slower growth in the remaining regions. A high growth rate mainly in poor regions can reduce development disparities, or economic convergence increases. Our study on sigma convergence also confirms the impact of the crisis 2007-2009 on convergence. In the years of the crisis, the convergence trend clearly collapsed (see Figure 1 and 2). 6. Conclusions The attempt to answer the questions formulated and to verify the hypothesis posed here can conclude that convergence is obviously occurring across both the EU-27 regions and the convergence regions. The regional GDP growth rate among the convergence regions is higher than in the entire EU-27. Undoubtedly, this phenomenon reduces growth disparities within the EU. This study also confirms the hypothesis that beta convergence is occurring within the EU-27 if regions with poor growth in a base year have a higher per capita GDP growth rate in the next years than more developed regions. In the period 2000–2010, the underdeveloped convergence regions achieved a significantly higher growth rate than the other strong EU regions. As a result, the level of development of all the regions is balanced in the long run. Economic convergence is also confirmed by the examination based on the concept of a triple convergence band. The clearly contracting band for all of the EU-27 regions indicates the ongoing process of convergence. The decreasing trend of the upper triple band edge for the EU-27 indicates that the EU’s economic growth is slower. Furthermore, this phenomenon means that the convergence progresses are due to accelerated development in poorer regions. Thus, the results of this examination show that the process of convergence within the EU-27 during economic crises, especially in 2007–2009, occurred as a result of the faster GDP growth within the convergence regions and the slower growth rate within the other regions. July 1-2, 2014 Cambridge, UK 15 2014 Cambridge Conference Business & Economics ISBN : 9780974211428 References Baumol, W.J. (1986). Productivity Growth, Convergence and Welfare: What the Long-Run Data Show. American Economic Review, 76, 1072-1085. De Long, J.B. (1988). Productivity Growth, Convergence, and Welfare: a Comment. American Economic Review, 78, 1138-1154. 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Annex 1. Convergence regions Country Number of regions convergence NUTS 2 region Bulgaria 6 6 Czech Republic 8 7 Germany 38 6 Estonia 1 1 Greece 13 8 Spain France Italy Latvia Lithuania 19 26 21 1 1 4 4 4 1 1 Hungary 7 6 Malta 1 1 Poland 16 16 Portugal 7 4 Romania 8 8 Slovenia 2 2 Slovakia 4 3 United Kingdom 37 2 Convergence regions Severozapaden, Severen tsentralen, Severoiztochen, Yugoiztochen, Yugozapaden, Yuzhen tsentralen Strední Cechy, Jihozápad, Severozápad, Severovýchod, Jihovýchod, Strední Morava, Moravskoslezsko Brandenburg, Mecklenburg-Vorpommern, Dresden, Chemnitz, Leipzig, Thüringen Estonia Anatoliki Makedonia, Thraki, Thessalia, Ipeiros, Ionia Nisia, Dytiki Ellada, Peloponnisos, Voreio Aigaio, Kriti Galicia, Castilla-la Mancha, Extremadura, Andalucía Guadeloupe, Martinique, Guyane, Réunion Campania, Puglia, Calabria, Sicilia Latvia Lithuania Közép-Dunántúl, Nyugat-Dunántúl, Dél-Dunántúl, Észak-Magyarország, Észak-Alföld, Dél-Alföld Malta Łódzkie, Mazowieckie, Małopolskie, Śląskie, Lubelskie, Podkarpackie, Świętokrzyskie, Podlaskie, Wielkopolskie, Zachodniopomorskie, Lubuskie, Dolnośląskie, Opolskie, Kujawsko-Pomorskie, Warmińsko-Mazurskie, Pomorskie Norte, Centro, Alentejo, Região Autónoma dos Açores Nord-Vest, Centru, Nord-Est, Sud-Est, Sud – Muntenia, Bucuresti – Ilfov, Sud-Vest Oltenia, Vest Vzhodna Slovenija, Zahodna Slovenija Západné Slovensko, Stredné Slovensko, Východné Slovensko Cornwall and Isles of Scilly, West Wales and The Valleys Data source: Eurostat. July 1-2, 2014 Cambridge, UK 18