Economics and Finance Journal of Sport Management, 2011, 25 11-23 © 2011 Human Kinetics, Inc. The Economic Benefits of Mega Events: A Myth or a Reality? A Longitudinal Study on the Olympic Games Chengli Tien National Taiwan Normal University Huai-Chun Lo Yuan Ze University Hsiou-Wei Lin National Taiwan University This study concerns research related to mega events, such as the Olympic Games, to determine whether the economic impact of the Olympic Games on the host countries is significant. This study uses two methods, panel data analysis and event study, to test hypotheses based on the data from 15 countries that have hosted 24 summer and winter Olympic Games. The results indicate that the economic impact of the Olympic Games on the host countries is only significant in terms of certain parameters (i.e., gross domestic product performance and unemployment) in the short term. These findings provide decision makers with comprehensive and multidimensional knowledge about the economic impact of hosting a mega event and about whether their objectives can be realized as expected. As “global properties” (O’Reilly, Lyberger, McCarthy, & Séguin, 2008, p. 392), mega events may have a tremendous impact, which, in general, can be found in economic, tourism, physical, social, cultural, psychological, and political aspects of a hosting region (Parent, 2008; Ritchie, 1984; Ritchie & Aitken, 1985). Although some may still argue about what can be properly categorized as mega events, the summer and winter Olympic Games without a doubt can be classified as such (Fairley, Kellett, & Green, 2007; Toohey & Taylor, 2008). Due to the increasing influence of the Olympic Games and the attention it receives worldwide, a number of countries derive pride and prestige from hosting this event and regard it as a showcase to the world or an opportunity to achieve certain objectives. Regardless of a country’s specific objectives, the competition to win the bid for hosting the Olympic Games has become more intense, especially since the commercial success of the 1984 Los Angeles Olympic Games. Not only the competition, but also the scale, complexity, and cost to host the Olympic Games have grown, thus creating some concerns for taxpayers as well as for bidders, who should carefully consider the rewards and risks in pursuing this Olympic dream. Take the 1992 Barcelona Olympic Games, for example; it cost the host city and country over US $10 million to bid and US $10.7 billion to host (Burton, 2003), and such costs exceed the annual gross domestic product (GDP) of some nations (e.g., The Bahamas). Is it worth staging a mega event, such as the Olympic Games? This is an important research question, which was also addressed by Salt Lake Olympic Chief, Mitt Romney, who considered it a fair question (Foy, 2002). Because a wide range of effects can be anticipated as a result of hosting mega events, this question should be asked in terms of the objectives that each host country expects to achieve. These objectives may vary from nation to nation, but the overall objective can involve a strategic and economic focus. “For example, the Athens 2004, Turin 2006, Beijing 2008, and Vancouver-Whistler 2010 Olympic Games bid and organizing committees all presented the Olympic Games as beneficial to their respective cities to gain new facilities and increase transfer to event preparation and hosting knowledge” (Parent, 2008, p. 135). Hence, from a strategic perspective, the objectives may include bringing the country into the limelight or spotlighting the city/state or region; from an economic perspective, the objectives may include attracting investment or creating jobs (Nixon & Frey, 1996; Preuss, 2000). Among these objectives, “it is the economic value accruing to the host that is commonly used as the basis for gathering public backing for such events” (Lee & Taylor, 2005, p. 595). This study will therefore Tien is with Dept. of East Asian Culture and Development, National Taiwan Normal University, Taipei, Taiwan, Province of China. Lo is with the Division of Finance, College Management, Yuan Ze University, Taipei, Taiwan, Province of China. Lin is with the Dept. of International Business, National Taiwan University, Taipei, Taiwan, Province of China. 11 12 Tien et al. focus on the economic impact of the Olympic Games upon the host countries, aiming to ascertain whether staging the Olympic Games is economically worthwhile and whether the anticipated economic benefits from the Olympic Games are a reality or a myth. Prior studies from various perspectives report mixed findings in terms of mega events’ contributions to the host area’s economy (Owen, 2005; Veraros, Kasimati, & Dawson, 2004). To explore the economic impact of the Olympic Games, this study attempts to answer the following research question: Is it worth staging a mega event, such as the Olympic Games? The present study takes an ex post approach by using the panel regression model and event study to test each of the key economic parameters to uncover findings that are convincing enough to ascertain the economic benefits of mega events. Hosting a mega event requires tremendous infrastructure and construction, and this takes a number of years to complete. Hence, the economic impact may not be significant during, right before, or right after the year of the Olympic Games, so a longer period of time is required to study the event’s overall effects. The present study uses a nine-year time span (four years before the Olympic Games, the year of the Olympic Games, and four years following the Olympic Games) to examine the economic impact of hosting the Olympic Games, including GDP performance, unemployment, and investment. The findings of the current study indicate that hosting the Olympic Games does not produce a long-term impact on the host countries, but it does produce a shortterm impact on the GDP and unemployment of the host countries (the significant impact only occurs before the Olympic Games, not during or after the Olympic Games). Hence, hosting the Olympic Games only generates a short-lived impact on the host countries, which is consistent with the finding of Baade and Matheson (2002). In particular, the current study finds that the impact on the GDP and unemployment is more significant in those countries that host the summer Olympic Games, which require more spending than the winter Olympic Games. This study thus makes two fundamental contributions to the literature on mega events. First, it illustrates in a longitudinal manner any economic impact on host countries arising from the hosting of the summer or winter Olympic Games. Prior studies focused on a single country (Brunet, 1995; Hotchkiss, Moore, & Zobay, 2003; Humphreys & Plummer, 1995; Madden, 2002), on a single economic aspect (Kavetsos & Szymanski, 2008; Samitas, Kenourgios, & Zounis, 2008; Veraros et al., 2004), or on a single game phase (Pyo, Cook, & Howell, 1988), but not on a selection of host countries from a longitudinal perspective including the pre-Games phase, the Games phase, and the post-Games phase. The findings should enrich future researchers’ understanding of the economic impact of hosting the Olympic Games on a selection of host countries from a long-term perspective. Second, the current study explores the economic impact of hosting the Olympic Games during different Games phases, such as the pre-Games phase, instead of merely the Games phase. This expansion in scope may explain why some prior studies find hosting the Olympic Games to have a weak or insignificant impact. Therefore, the importance of using a longitudinal approach to analyze or extend related issues is highlighted. This study is comprised of five sections. The first section provides an overview of mega events and their impact. The second section addresses the method and data analyzed from countries that have hosted the Olympic Games since 1964, while the third section presents the results of the models run in the Stata, SPSS, and SAS software programs. Finally, the fourth section addresses the conclusion and implications based on the findings, and the final section discusses limitations that can be addressed for future research. Literature and Hypotheses Mega Events: The Olympic Games Scholars still debate what mega events are; however, the Olympic Games can undoubtedly be categorized as a mega event (Horne & Manzenreiter, 2006; Roche, 2000). Thus, the current study analyzes mega events, with a focus on the Olympic Games. According to the Olympic Charter (n.d.), “Olympism is a philosophy of life, exalting and combining in a balanced whole the qualities of body, will, and mind” (p. 12). Blending sport with “culture and education, Olympism seeks to create a way of life based on the joy of effort, the educational value of good example and respect for universal fundamental ethical principles” (p. 12). Olympism emphasizes the existence of a peaceful society with human dignity achieved through sport events to elaborate a state of mind based on equality; this makes the Games more than just a sport competition. Scholars disagree about the origin of the ancient Olympic Games, but it is certain that Greece originally held the Olympic Games in the BC era (Barney, 1996; Davis, 2008). The Olympic Games are best known in their modern form, however. The modern Games were first held in 1896 in Athens, Greece. Ever since that time, they have steadily expanded and have attracted thousands of participants and millions of viewers worldwide. The impact from such an event is always expected to be tremendous, but also various and uncertain. Thus, the objectives for hosting the Olympic Games may vary from nation to nation. Host Countries’ Objectives Mega events help to meet the economic and cultural needs and rights of local citizens and, if they are successful, “long-term positive consequences in terms of tourism, industrial relocation, and inward investments” can be expected (Roche, 1994, p. 2). Thus, the value of and objectives for hosting the Olympic Games should reach beyond medal counts and extend to more wide-ranging effects (e.g., economic, tourist-related, environmental, Economic Benefits of Mega Events 13 sociocultural, psychological, and political; Ritchie, 1984; Ritchie & Aitken, 1985) because the overall effect of different Olympic Games is “measured in the infrastructure, social, political, ecological, and sporting impulses” (Preuss, 2000, p. 122). In other words, the impact of hosting the Olympic Games can far surpass financial benefits. As a matter of fact, the Olympic Games and their host countries have greatly emphasized sustainable development (i.e., the Green Games of Sydney 2000, the Games of Culture of Athens 2004, the People’s Olympics of Beijing 2008, and the One Planet Olympics of London 2012), which is, as the United Nations (n.d.) defines it, “development that meets the needs of the present without comprising the ability of future generations to meet their own needs” (p. 6). Hence, sustainable development refers to “a path of socio-economic development that is financially balanced, socially equitable, ethically responsible, and adequately integrated in the long-term ecological balance” (Furrer, 2002, p. 2) of the environment. It is three-dimensional in nature: economic, social, and environmental (Furrer, 2002). Since mega events may have wide-ranging effects on host regions, countries host mega events for a variety of reasons. In general, this study conceptualizes these reasons in terms of both economic and strategic objectives. The economic objectives include GDP performance, employment, and investment. The strategic objectives include regional image and identity, urban infrastructure, and cultural and political improvements. Impact of the Olympic Games Successful events not only improve earnings, employment opportunities, and government revenues, but also raise “awareness and knowledge of the country or region involved” (Lee, Lee, & Lee, 2005, p. 840). Prior studies have been conducted on the Olympic Games from various perspectives, such as that of power and politics (Hargreaves, 2000; Hazan, 1982; Lenskyj, 2000), culture (Blain, Boyle, & O’Donnell, 1993), urban policy and environments (May 1995; Roche, 1994), tourism (Kang & Perdue, 1994; Lee, Var, & Blaine, 1996), destination image (Gibson, Qi, & Zhang, 2008; Lee et al., 2005), and economics (Kim, Rhee, Yu, Koo, & Hong, 1989; O’Brien, 2006; Porter & Fletcher, 2008; Preuss, 2000, 2004). The present study focuses on economic sustainable development. The rationale behind this approach is that macroeconomic objectives and impacts should still be the major concerns for most host countries. “It is the economic value accruing to the host that is commonly used as the basis for gathering public backing for such events” (Lee & Taylor, 2005, p. 595). In fact, prior studies have addressed the impact of mega events on economic issues using ex ante forecasts or ex post examinations. The latter approach may be more useful in “providing a filter through which the promises made by event boosters can be strained” (Baade & Matheson, 2004, p. 346) and in examining “a local economy for evidence of the net impact of professional sports” (Coates & Humphreys, 1999, p. 603), but the amount of such literature is much smaller (Coates & Humphreys, 1999). To fill the gap, this study focuses on the economic impact of both the summer and winter Olympic Games on host countries by using a quantitative, ex post approach. The Economic Impact. This study distinguishes finan- cial impact from economic impact. The financial impact may narrowly refer to the impact on the budgetary or financial balance of the organizing committees of the Olympic Games; however, the economic impact may refer more broadly to the impact on the general economy of a host country (PricewaterhouseCoopers, 2004). Hence, the current study examines possible economic objectives, such as boosting GDP performance, reducing unemployment, and attracting investment. “In world sports, the Olympic Games are unparalleled in their scale” and in “the potential impact they can have on the economies of host cities, regions, and countries” (O’Brien, 2006, p. 240). Regarding GDP performance, the arguments have been mixed because the impacts can be uncertain (Kim, Gursoy, & Lee, 2006). The initial investment for hosting the Olympic Games can be tremendous, and, thus, uncertainties may occur and lead to both opportunities and risks. From the perspective of opportunities, successful Olympic Games may trigger economic growth and development (Metropolis, 2002, as cited in Furrer, 2002). However, from the perspective of risks, hosting the Olympic Games may be too expensive to generate economic rents and may further lead to worse situations when huge investment projects become “White Elephants” after the events or when these projects create adverse effects that may crowd out a nation’s other important projects. Lenskyj (2000) created a summary of criticism against the Olympic Games that includes distortions in the local economy and hindrances to sustainable economic development. Taking into account the opportunities and risks, comprehending the impact of the Olympic Games on host countries’ GDP performance may be difficult because this strategy to boost GDP performance through hosting mega events is considered “a potentially high-risk strategy for stimulating local economic growth” (Andranovich, Burbank, & Heying, 2001, p. 113). Prior studies on a single host country have resulted in mixed findings (Brunet, 1995; Humphreys & Plummer, 1995; Madden, 2002), but such studies from a longitudinal perspective are scarce. Hence, the impact of hosting the Olympic Games on the GDP performance of the hosting regions requires further examination, so the current study constructs the first hypothesis in a null form to explore this issue: Hypothesis 1: Hosting the Olympic Games has no effect on GDP performance. Host countries regard the reduction in unemployment as an expected benefit of hosting the Olympic Games. For example, the increase in the number of tourists and the opening of new facilities (e.g., hotels, sport venues) create jobs and thus reduce unemployment. Prior studies 14 Tien et al. Methods and Data on the 1996 summer Olympic Games show a positive correlation between hosting the Olympic Games and employment (Hotchkiss et al., 2003). However, few studies have longitudinally tested the impact on employment opportunities on an entire country, which may receive less benefit than the hosting city, and done so using a selection of both summer and winter Olympic Games. Further testing is needed to ascertain whether hosting the Olympic Games may impact employment opportunities; thus, the current study constructs the second hypothesis in a null form to explore this issue: Data and Sample Data were collected from the Datastream, World Bank, United Nations, Total Economy, and WDI databases and from the official Web site of the Olympic Movement. Due to data availability, this study pools the data based on the Olympic Games (summer and winter) after 1964 (from the 1964 summer and winter Olympic Games to the 2008 summer Olympic Games). The final sample spans 15 countries and 24 games. For the sample of GDP (See Table 1: n = 870), the data collection period ranges from 1950 to 2008; however, the first year of data are lost due to the calculation of GDP growth. Therefore, the number of observations is 870. For the sample of unemployment rate and investment, the total number of observations is smaller (n = 613 for unemployment; n = 602 for investments), and the start and end year of data for each country is different; however, if the start and end year of data for each country is fixed, the current study’s main findings will not be affected. For example, if the data collection period is set to from 1972 to 2007, or if countries not meeting the required criteria, such as the length of time period, or those with missing data are eliminated, the main findings will remain consistent. The present study includes three phases (pre-Games phase, Games phase, and post-Games phase) to study the economic impact. Hence, nine years of data are collected to study each of the Olympic Games under examination (four years before and four years after the Hypothesis 2: Hosting the Olympic Games has no effect on unemployment. A successful major event creates confidence in the city and favors subsequent investment (Metropolis, 2002, as cited in Furrer, 2002). Other than direct investment in the events and their related infrastructure (e.g., transportation and housing), hosting the Olympic Games can be regarded as an attempt to attract international investment or to establish new trade relationships in macroeconomic terms. However, few studies have tested investment in a longitudinal manner using a selection of both the summer and winter Olympic Games. Further testing is still needed to determine whether hosting the Olympic Games may impact investment; thus, the current study constructs the third hypothesis in a null form to explore this issue: Hypothesis 3: Hosting the Olympic Games has no effect on investment in the host country. Table 1a Descriptive Statistics and Correlations Panel Data GDP Performance Unemployment Investment Country Start End N Start End N Start End N USA 1951 2008 58 1951 2008 58 1961 2006 46 Austria 1951 2008 58 1987 2008 22 1972 2007 36 Yugoslavia 1951 2008 58 1986 2003 18 France 1951 2008 58 1961 2007 47 1971 2007 37 Germany 1951 2008 58 1951 2008 58 1972 2007 36 Italy 1951 2008 58 1971 2008 38 1966 2007 42 Norway 1951 2008 58 1961 2008 48 1961 2007 47 Canada 1951 2008 58 1961 2008 48 1961 2006 46 Japan 1951 2008 58 1954 2008 55 1961 2006 46 Greece 1951 2008 58 1962 2008 47 1961 2007 47 Spain 1951 2008 58 1962 2008 47 1972 2007 36 Australia 1951 2008 58 1971 2008 38 1966 2007 42 Mexico 1951 2008 58 1988 2008 21 1961 2007 47 Korea China 1951 1951 2008 2008 58 58 1964 1986 2008 2008 45 23 1961 1961 2007 2007 47 47 Total 870 613 602 Economic Benefits of Mega Events 15 Table 1b Descriptive Statistics and Correlations (continued) GDP Performance Variable Mean S.D. GDP Performance Pre-Games Phase Games Phase GDP Performance 0.0417 0.0361 1 0.074** -0.022 -0.056 0.190*** 0.178*** Pre-Games Phase 0.0793 0.2704 0.078** 1 -0.054 -0.001 -0.044 -0.062 Games Phase 0.0782 0.2686 -0.037 -0.054 1 -0.049 -0.049 -0.069** Post-Games Phase 0.0736 0.2612 -0.071** -0.001 -0.049 1 -0.062 -0.080** Population Growth 0.0102 0.0097 0.314*** -0.034 -0.044 -0.062 1 0.295*** Country of Origin 0.2667 0.4425 0.248*** -0.062 -0.069** -0.080** 0.335*** 1 Mean S.D. Unemployment Pre-Games Phase Games Phase Unemployment 0.0006 0.0082 1 -0.119*** 0.014 -0.018 -0.065** 0.034 Pre-Games Phase 0.0930 0.2906 -0.137*** 1 -0.063 -0.002 -0.015 -0.058 Games Phase 0.0914 0.2883 0.015 -0.063 1 -0.060 -0.013 -0.071** Post-Games Phase 0.0897 0.2860 -0.025 -0.002 -0.060 1 -0.039 -0.054** Population Growth 0.0085 0.0092 -0.087 ** 0.010 0.010 -0.032 1 0.128 *** Country of Origin 0.1746 0.3799 0.035 -0.058 -0.071** -0.054** 0.210*** 1 Mean S.D. Investment Pre-Games Phase Games Phase Investment -0.0003 0.0376 1 0.034 -0.021 0.006 0.032 0.039 Pre-Games Phase 0.0930 0.2907 0.079 1 -0.065 -0.002 -0.021 -0.056 Games Phase 0.0947 0.2930 -0.051 -0.065 1 -0.063 -0.027 -0.085** Post-Games Phase 0.0914 0.2884 -0.004 -0.002 -0.063 1 -0.036 -0.094** Population Growth 0.0097 0.0105 0.078 -0.009 -0.019 -0.033 1 0.379*** Country of Origin 0.2342 0.4239 0.069 -0.056 -0.085** -0.094** 0.496*** 1 N Post-Games Population Phase Growth Country of Origin 870 Unemployment Variable N Post-Games Population Phase Growth Country of Origin 613 Investment Variable N Post-Games Population Phase Growth Country of Origin 602 ** p < .05 *** p < .01 year of the Games). For those Games after 1964, this study includes the 2006 Turin Olympic Winter Games and the 2008 Beijing Olympic Games, with no sufficient length of data for the longitudinal analysis. However, no difference is observed whether the 2006 Turin Olympic Winter Games and the 2008 Beijing Olympic Games are included. Research Design This study employs two methods, the first of which uses cross-sectional time series regression (panel data) analysis to test the hypotheses. Equation (1) uses this model to test whether hosting the Olympic Games will have any effect on economic performance. gi ,t = β 0 + β1di ,1 + β 2 di ,2 + β3 di ,3 + β 4 Popgi ,t + β5 Developingi ,t + ε (1) where the dependent variable, gt, represents differences in unemployment rates, investment, and GDP growth rate, and the independent variables are as follows: di,1. t=–2~–4 represents three years before the Olympic Games phase; di,2. t=–1~–1 represents three years for the Olympic Games phase; di,3. t = 2~4 represents three years after the Olympic Game phase; β 4 Popgi ,t represents population growth; and Developingi ,t represents 16 Tien et al. the country of origin. To reduce and avoid any potentially undetected variations due to the country effect (host country) and the time effect (year), this study includes dummies for country and year by using crosssectional time series regression on fixed effects in its model. The second method is based on event study. This study uses an observation period of nine years (t=–4~+4), where t=–4~–2 represents the period before the event; t=–1~+1 represents the period of the event; and t = 1~4 represents the period after the event. The most important characteristic of an event study method is its ability to detect the presence of abnormal performance for observations in the event window. However, before that, normal performance for observations during the event window should be estimated. Following Baade and Matheson (2004) and Coates and Humphreys (1999), a country’s economic development also is likely to be affected by neighboring countries’ development, global economies, and its own recent economic performance. Therefore, estimation of a country’s normal performance should consider impacts both from other countries and from within its own borders. In terms of the impact from other countries, this study includes countries of similar economic size in the region; that is, if these selected countries have good economic performance, the observations’ normal performance is estimated to be good as well. In terms of the impact from its own economy, having considered the growth of population and economy over the past four years, a country’s economic performance should be affected positively by its prior performance. Hence, an event study method includes the following two steps. The first step is to estimate the parameters that are required to acquire normal performance as represented by Equation (2): 4 gi ,t = β 0 + β1 gi ,t + β 2 Popgi ,t + ∑ γ p gi ,t − p + ε i ,t (2) p=1 where – g i,t represents the mean value of the target group to pair with respective targets and the target group describes countries of similar economic size in the region (see Table 2), and Popgi ,t is the population growth rate. In addition, this study includes lagged dependent variables not only to reflect a country’s recent economic development, but also to account for economic parameters with serial correlation. This study uses four periods for lagged variables due to the normal business cycle that usually takes a few years to complete, but the observations will be reduced if the cycle is set too long. The parameters for each country (or each Olympic Games) will be estimated. The period for estimating Equation (2) is before t-5 to avoid the estimations of parameters being affected by the observation period studied. The second step is to gauge the normal performance based on Equation (2) and then determine what is abnormal performance based on the differences between practical and normal performance. Table 2 Event Study- Host Countries versus Target Groups Host Country1 Target Group Australia G72 Austria Western Europe3 Canada G7 China BRIC44 France G7 Germany G7 Greece Western Europe Italy G7 Japan G7 Korea East_Asian_Tigers45 Mexico Latin America6 Norway Western Europe Spain Western Europe USA Yugoslavia G7 Eastern Europe7 Host countries are excluded from target groups. The G7 includes the United States, Britain, France, Germany, Italy, Japan and Canada. 3 Western Europe includes Austria, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, Turkey and the United Kingdom. 4 The BRIC4 include Brazil, Russia, India and China. 5 The East Asian Tigers4 include South Korea, Singapore, Hong Kong, and Taiwan. 6 The Latin America bloc includes Argentina, Colombia and Venezuela. 7 The Eastern Europe bloc includes Albania, Bulgaria, Hungary, Poland and Romania. 1 2 Measures Dependent Variables Due to the fact that the size of each host country varies, this study calculates the growth rate or differences between years to facilitate the cross-country study. GDP Performance. There are a number of methods to measure a nation’s overall economic performance. This study measures GDP performance using the GDP growth rate, not only because it is a popular measurement for macroeconomic performance, but also because it represents the market value of goods and services produced by labor and property within the borders of a nation. Hence, this study measures economic performance by collecting annual GDP in a natural logarithmic form and calculating the differences between years in GDP. Unemployment. This study measures unemployment by calculating the differences between years in unemployment rate, because unemployment rate is measured according to the unemployment population scaled by the total labor force. Economic Benefits of Mega Events 17 Investment. This study measures investment by calculating the differences between years in capital formulation deflated by the GDP. Because this measure has been scaled, this study uses differences between years for investments. Independent Variables. The Games Phase. To distinguish the Games phase from other phases, this study uses binary dummies, where ‘1’ stands for the Games phase covering one year before and one year after the year of the Olympic Games (t-1 to t1), while ‘0’ stands for other years. The Post-Games Phase. This study uses binary dum- mies, where ‘1’ stands for the post-Games phase covering three years, from the second to the fourth year, after the year of the Olympic Games (t2 to t4), while ‘0’ stands for other years. The Pre-Games Phase. This study uses binary dum- mies, where ‘1’ stands for the pre-Games phase covering three years, from the second to the fourth year, before the year of the Olympic Games (t-2 to t-4), while ‘0’ stands for other years. Since comparing success among various host countries may be difficult due to factors such as the fundamental differences in existing infrastructure, where developing countries may need to improve infrastructures more than developed countries, and the fact that differences in infrastructure may lead to higher costs for developing countries to host the Olympic Games, we control for two variables to strengthen the rigor of the study and the explanatory power of the findings. Population Growth. This study controls for factors that may affect the economic impact on host countries of the Olympic Games due to the impact of the effect of the country of origin. Hence, we control for population growth to conduct the analysis with rigor. Country of Origin. This study includes country of origin in the models to control for any significant differences between host cities from developed countries and host cities from developing countries in terms of any effect on the economic performance of the selected countries. ‘1’ refers to developing nations, while ‘0’ refers to developed nations. Results To better understand the data, Table 1 presents the sample with the start/end years, descriptive statistics, and correlation tables. Due to data availability, the sample size varies in the study of GDP performance, unemployment, and investment. Hence, there are three tables of descriptive statistics and correlations. Because available data for the GDP has the longest span, it starts from 1951 and continues to 2008. For data involving unemployment and investment, the start and end years vary depending on the data availability. As Table 1 shows, the average GDP growth rate is 4.17% from 1951 to 2008; the average difference is 0.06% for unemployment and –0.03% for investment, respectively, which also signals that unemployment rates and investment are measures after being scaled, as compared with the GDP growth rate. Three dummy variables are used to measure the three phases (pre-Games phase, Games phase, and post-Games phase). In the sample of GDP, each phase spans three years, and the theoretical size should be 5.2% (3 divided by 58). However, Table 1 indicates that the mean value is between 0.07 and 0.08, which is higher than the theoretical size due to the fact that some countries have hosted the Olympic Games more than once (e.g., the United States). In the sample of unemployment and investment, the mean value during each phase is about 9% due to the shorter span of data available. Table 1 illustrates that the population growth rate is about 1%, as most of the data are from developed countries (73.33%). As Table 1 also shows, multicollinearity is not a problem in the present models (p < .05). Table 2 presents the list of host countries and target groups in the event study. The results of our investigation of the relationship between the hosting of the Olympic Games and GDP performance are shown in Table 3. In the panel regression method, the results partially support Hypothesis 1; this finding implies that hosting the Olympic Games has a positive impact on the GDP performance of the host country, but that the impact is only significant in the preGames phase. This finding may further imply that hosting the Olympic Games is such a huge undertaking that host countries should be prepared ahead of time. Furthermore, in comparing the summer and winter Olympic Games, hosting the summer Olympic Games has a significant impact on GDP performance during the pre-Games phase (p < .01), while hosting the winter Olympic Games does not have a significant impact on GDP performance during the pre-Games phase. The estimated coefficient is 0.0148 for the pre-Games phase, which implies that during this phase of all the Olympic Games (the summer and winter Games), the GDP performance of the host countries is 1.5% higher than normal; while in the summer Olympic Games, during the pre-Games phase, the estimated coefficient is 0.0198, which implies that the GDP performance of countries hosting the summer Olympic Games during the pre-Games phase can be raised even higher (by 2%). During the Games phase and the post-Games phase, hosting the Olympic Games does not have an impact on GDP performance. In the event study method, the results partially support Hypothesis 1, thus basically supporting the results from the panel regression method; this finding implies that hosting the Olympic Games has a significant impact on the GDP performance of the host country before the Olympic Games. In comparing the summer and winter Olympic Games, hosting the summer Olympic Games has a stronger impact on GDP performance than hosting the winter Olympic Games. That is, for all the Games (summer and winter), hosting has a significant impact on the GDP performance during the third and fourth years before the year of the Olympic Games (p < .05). Hosting 18 Tien et al. Table 3 Cross-Sectional Time Series Regression and Event Study Results for GDP Performance Method I: Panel Regression Model Season Total Variable Intercept Summer Winter Coeff. t Coeff. t Coeff. t 0.0594 *** (6.38) 0.0667 *** (6.10) 0.0566 *** (5.09) 0.0148 (3.55) 0.0198 *** (3.36) 0.0085 (1.67) Pre-Games Phase *** Games Phase 0.0033 (0.79) 0.0108 (1.80) -0.0040 (0.79) Post-Games Phase 0.0011 (0.24) 0.0085 (1.35) -0.0080 (1.53) Population Growth 0.2085 (1.42) 0.1767 (1.16) 1.0674 ** (2.23) Country of Origin 0.0273 *** (4.57) 0.0204 *** (3.36) -0.0049 (0.91) F 4.47 *** 3.38 *** 3.70 *** Adj. R2 23.05% 22.34% 28.39% 870 580 464 N Method II: Event Study Model Season Total Summer Winter t N Mean T N Mean t N Mean t -4 21 0.0140 ** (2.54) 10 0.0086 (1.79) 11 0.0190 (1.97) -3 21 0.0189 *** (3.98) 10 0.0216 *** (4.19) 11 0.0165 (2.07) -2 21 0.0126 (1.87) 10 0.0202 ** (2.66) 11 0.0057 (0.53) -1 21 0.0003 (0.03) 10 0.0195 ** (2.49) 11 -0.0171 (1.12) 0 21 -0.0014 (0.14) 10 0.0108 (2.21) 11 -0.0125 (0.68) 1 20 -0.0042 (0.60) 9 0.0037 (0.87) 11 -0.0106 (0.87) 2 20 -0.0025 (0.27) 9 0.0118 (1.28) 11 -0.0141 (0.90) 3 19 0.0028 (0.25) 9 0.0096 (1.12) 10 -0.0033 (0.16) 4 19 -0.0109 (1.01) 9 0.0043 (0.38) 10 -0.0246 (1.42) ** p < .05 *** p < .01 the summer Olympic Games has a significant impact on GDP performance during the first three years before the year of the Olympic Games (p < .05; similar to the panel regression results, in the third and second years before the year of the Olympic Games, GDP growth is higher than normal, by 2.1% and 2%, respectively), but no impact on GDP performance during and after the year of the Olympic Games (p < .05), which explains why, during the Games phase of the summer Olympic Games in the panel regression method, no significant impact on GDP performance is shown. Hosting the winter Olympic Games does not have an impact on GDP performance. Overall, based on the findings from both methods, the results from Table 3 partially support Hypothesis 1, which implies that hosting the Olympic Games has a very weak and limited impact on GDP performance, only producing a significant impact on GDP performance for some periods before the Olympic Games. The results of our investigation of the relationship between the hosting of the Olympic Games and unemployment are shown in Table 4. In the first method, the results partially support Hypothesis 2; this finding implies that hosting the Olympic Games has a weak impact on unemployment, an impact which is only found to be significant in the pre-Games phase regardless of whether we are dealing with the summer or winter Games. The estimated coefficient is –0.003 for the pre-Games phase; in the summer Olympic Games, during the pre-Games phase, the estimated coefficient is –0.0031, and in the winter Olympic Games, during the pre-Games phase, the estimated coefficient is –0.0030. The results imply that the unemployment rate is reduced annually by 0.3% on average. That is, suppose that the unemployment rate is 5%, then three jobs will be created annually for 50 unemployed workers (per 1000 in the labor force) during the pre-Games phase. Economic Benefits of Mega Events 19 Table 4 Cross-Sectional Time Series Regression and Event Study Results for Unemployment Method I: Panel Regression Model Season Total Summer Winter Variable Coeff. T Coeff. T Coeff. t Intercept -0.0102 ** (2.41) -0.0097 ** (2.07) -0.0047 (1.01) Pre-Games Phase -0.0030 *** (2.87) -0.0031 ** (2.05) -0.0030 ** (2.32) Games Phase 0.0001 (0.08) 0.0002 (0.13) 0.0007 (0.57) Post-Games Phase -0.0015 (1.37) -0.0020 (1.27) -0.0010 (0.78) Population Growth -0.0314 (0.87) -0.0367 (0.91) 0.0126 (0.08) Country of Origin 0.0022 (1.19) 0.0022 (1.07) 0.0081 *** (4.48) F 3.57 *** 2.71 *** 3.13 *** Adj. R2 23.96% 21.46% 30.31% 613 440 334 N Method II: Event Study Model Season Total Summer Winter t N Mean t N Mean t N Mean t -4 16 -0.0063 ** (2.92) 8 -0.0086 ** (2.47) 8 -0.0040 (1.59) -3 16 -0.0049 (1.98) 8 -0.0093 ** (3.16) 8 -0.0006 (0.18) -2 16 -0.0030 (1.07) 8 -0.0062 (1.87) 8 0.0002 (0.04) -1 16 -0.0039 (1.71) 8 -0.0085 ** (3.00) 8 0.0007 (0.22) 0 15 -0.0021 (0.69) 7 -0.0053 (1.00) 8 0.0007 (0.22) 1 15 -0.0010 (0.37) 7 -0.0033 (0.63) 8 0.0009 (0.32) 2 15 -0.0020 (0.85) 7 -0.0068 (1.78) 8 0.0022 (1.05) 3 14 -0.0057 (1.62) 7 -0.0067 (1.58) 7 -0.0046 (1.63) 4 14 -0.0068 (1.56) 7 -0.0075 (1.42) 7 -0.0061 (1.39) ** p < .05 *** p < .01 Similar results are achieved with the event study method, the results of which partially support Hypothesis 2; this finding also implies that hosting the Olympic Games has a weak impact on unemployment. For the sample including all the Olympic Games (the summer and winter Games), hosting has a significant impact on unemployment only in the fourth year before the year of the Olympic Games (p < .05), when the unemployment rate is 0.63% lower than normal. For the sample only including the summer Games, hosting has a significant impact on unemployment only in the first, third, and fourth years before the year of the Olympic Games (p < .05), when the reduction in unemployment rates for these years ranges from 0.85% to 0.93%, compared with normal. For the sample only including the winter Games, hosting the winter Games does not have a significant impact on unemployment. Hence, based on the findings using both methods, hosting the Olympic Games has a weak and limited impact on unemployment. The results of our investigation of the relationship between hosting the Olympic Games and investment are shown in Table 5. In the first method, the results support Hypothesis 3; this finding implies that hosting the Olympic Games does not have any impact on the performance of investment, regardless of whether they are summer or winter Games. In the second method, the results partially support Hypothesis 3; this finding implies that hosting the Olympic Games has a weak impact on attracting investment to the host country: For all of the summer and winter Games, hosting has a significant impact only in the third year before the year of the Olympic Games, when the investment is higher than normal by 0.84% of the GDP. The results are consistent with the finding from testing the summer Olympic Games only (p < .05), when the investment is increased by 1.2% of the GDP, compared with normal. Hosting the winter Olympic Games does not have any significant impact on investment. Hence, based on the findings from both methods, hosting the 20 Tien et al. Table 5 Cross-Sectional Time Series Regression and Event Study Results for Investment Method I: Panel Regression Model Season Total Summer Winter Variable Coeff. t Coeff. t Coeff. t Intercept 0.0118 (0.80) 0.0084 (0.48) 0.0052 (0.60) Pre-Games Phase 0.0019 (0.34) 0.0021 (0.24) 0.0029 (0.90) Games Phase -0.0021 (0.38) -0.0033 (0.39) -0.0030 (0.94) Post-Games Phase 0.0022 (0.38) 0.0056 (0.66) -0.0010 (0.29) Population Growth 0.0660 (0.36) 0.0594 (0.28) 0.1570 (0.38) Country of Origin 0.0018 (0.09) 0.0029 (0.32) 0.0007 (0.05) F Adj. R2 1.06 0.85 2.04 *** 11.08% 11.64% 32.03% 602 440 300 N Method II: Event Study Model Season Total Summer Winter t N Mean T N Mean T N Mean t -4 14 0.0013 (0.28) 7 -0.0001 (0.01) 7 0.0026 (0.34) -3 14 0.0084 ** (2.78) 7 0.0120 ** (3.47) 7 0.0048 (0.99) -2 14 0.0053 (1.35) 7 0.0042 (0.67) 7 0.0065 (1.23) -1 14 0.0030 (0.80) 7 0.0046 (0.76) 7 0.0014 (0.29) 0 13 -0.0017 (0.31) 6 0.0017 (0.17) 7 -0.0045 (0.81) 1 13 -0.0049 (0.61) 6 -0.0083 (0.50) 7 -0.0019 (0.35) 2 12 0.0008 (0.11) 6 0.0091 (0.61) 6 -0.0074 (1.73) 3 12 0.0073 (0.98) 6 0.0112 (0.80) 6 0.0034 (0.54) 4 11 0.0031 (0.67) 5 0.0080 (1.08) 6 -0.0011 (0.19) ** p < .05 *** p < .01 Olympic Games has a very weak and limited impact on attracting investment. According to the information in Table 3 to Table 5, the economic impact of hosting the Olympic Games on the host countries is very limited, but significant in some parameters, such as GDP growth and unemployment during the pre-Games phase. The possible explanations for this are twofold.1 First, the results represent the phase when facilities and infrastructure are being built. Since a great deal of investment goes into building and maintaining facilities and infrastructure which need to be completed before the Games, host countries also enjoy the economic benefit from these investments in the cities/regions hosting the Games during this time period. Second, the International Olympic Committee (IOC) tends to award the Games to countries with good economic prospects in the future to ensure that these countries are financially secure and stable enough to host the Games. For example, the 2008 summer Olympic Games were awarded to China in 2001; the 2014 Olympic Winter Games were awarded to Russia in 2007, and the 2016 summer Olympic Games were awarded to Brazil in 2009. These host countries are members of the BRIC11 bloc, which brings together four of the world’s largest emerging economies and could become a much larger force in the global economy within the next 50 years (Wilson & Purushothaman, 2003). However, the decision making, actual evaluation, and bidding process in the IOC can be more complex and multifaceted and may require insights from multiple perspectives. Conclusions and Implications Is it worth hosting mega events such as the Olympic Games? The answers to this research question may involve both strategic and economic perspectives. The present study attempts to deliberate on this research Economic Benefits of Mega Events 21 question from the economic perspective of whether hosting the Olympic Games has relevance to key economic performance. Based on the two methods used, the findings reveal weak support for the hypotheses involving an impact on GDP performance, unemployment, and investments. The economic impact of hosting the Olympic Games on host countries is significant only on a short-term basis in some parameters (i.e., GDP performance and unemployment in the pre-Games phase). Since some short-term phenomena may be subject to economic momentum, this study conducted tests across three Games phases from long-term perspectives in a longitudinal manner. Contrary to conventional wisdom, hosting the Olympic Games does not seem to be a significant tool for achieving major economic objectives and generating long-term profound impacts for the cities that stage the events (Mihalik & Cummings, 1995; Mihalik & Simonette, 1998; Roche, 1994), although some shortterm impacts may be significant. The findings further highlight concerns over uncertainty due to high costs and risks arising from the hosting of mega events (Burton, 2003; Preuss, 2000). However, some countries have hosted the Olympic Games more than twice (e.g., the United States has hosted eight times including summer and winter Games), while others may have submitted bids, but never won (e.g., Bulgaria and Argentina). The motivations behind these efforts should transcend economic concerns. Strategic objectives should be considered at least as important as economic objectives. In fact, “economizing and strategizing are not mutually exclusive” (Williamson, 1991, p. 76); however, in economic organizations, “a strategizing effort will rarely prevail if a program is burdened by significant cost excess in production, distribution, or organizations” (p. 75). From this viewpoint, some may argue about whether decision making in related governmental agencies is a rational process. Nevertheless, for the main objective of this study, the evidence is too weak to conclude that hosting the Olympic Games has a long-term economic impact on the host countries. We may now ask: Is the economic benefit of hosting mega events a myth or a reality? On the basis of the evidence presented in this study, it is a myth. The present study draws the conclusion that countries wishing to bid for a mega event should consider both economic and strategic objectives to maximize the overall possible value from the event, although the economic impact may be short-term and uncertain, while the strategic impact may not be easy to quantify. Limitations and Directions for Future Research Our study has some limitations. First, a mega event can potentially generate significant economic impacts at a local, regional, or national level (e.g., at the regional level in a large economy, such as the United States, and at the national level in a smaller economy, such as Greece). The present study focuses on economic data at the national level, which may constrain the explanatory validity in a large economy, such as the United States. To reduce such limitations, we control for some country-level variables to mitigate constraints. Second, financing sources may vary among host countries. Some may rely more on public funds (e.g., Montréal 1976 and Munich 1972), while others may rely more on private funds (e.g., Los Angeles 1984 and Atlanta 1996; Preuss, 2004). Due to data availability, this study does not include the variable of funding source; however, we recognize that it would be helpful to include any possible impact from different financing or funding sources on the economic performance of a nation that hosts the Olympic Games. Third, the current study may suffer from the overconcentration of some data on developed countries due to the fact that the Olympic Games have been hosted mostly by developed countries (approximately 75% and 95% of the summer Olympic Games and winter Olympic Games, respectively, were hosted by developed countries). 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Retrieved from http://www2. goldmansachs.com/ideas/brics/book/99-dreaming.pdf Appendix 1 Summer Games (in the sample) Appendix 2 Winter Games (in the sample) Games of Olympiad Olympic Winter Games Year Games Host City Country Year Games Host City Country 1964 XVIII Tokyo Japan 1964 IX Innsbruck Austria 1968 XIX Mexico City Mexico 1968 X Grenoble France 1972 XX Munich Germany 1972 XI Sapporo Japan 1976 XXI Montréal Canada 1976 XII Innsbruck Austria 1980 XXII Moscow Russia 1980 XIII Lake Placid United States 1984 XXIII Los Angeles United States 1980 XIV Sarajevo Yugoslavia 1988 XXIV Seoul South Korea 1988 XV Calgary Canada 1992 XXV Barcelona Spain 1992 XVI Albertville France 1996 XXVI Atlanta United States 1994 XVII Lillehammer Norway 2000 XXVII Sydney Australia 1998 XVIII Nagano Japan 2004 XXVIII Athens Greece 2002 XVIV Salt Lake City United States 2008 XXVIV Beijing China 2006 XVV Turin Italy Sources: the official website of the Olympic Movement: www.olympic.org Sources: the official website of the Olympic Movement: www.olympic.org
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