دانلود مقاله ISI انگلیسی شماره 17236
عنوان فارسی مقاله

تنوع فرهنگی و رشد اقتصادی: شواهد از ایالات متحده در طی دوره مهاجرت جمعی

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
17236 2013 22 صفحه PDF سفارش دهید محاسبه نشده
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عنوان انگلیسی
Cultural diversity and economic growth: Evidence from the US during the age of mass migration
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : European Economic Review, Volume 64, November 2013, Pages 76–97

کلمات کلیدی
تنوع فرهنگی - رشد اقتصادی - توسعه تاریخی - مهاجرت
پیش نمایش مقاله
پیش نمایش مقاله تنوع فرهنگی و رشد اقتصادی: شواهد از ایالات متحده در طی دوره مهاجرت جمعی

چکیده انگلیسی

We exploit the large inflow of immigrants to the US during the 1870–1920 period to examine the effects that within-county changes in the cultural composition of the US population had on output growth. We construct measures of fractionalization and polarization to distinguish between the different effects of cultural diversity. Our main finding is that increases in cultural fractionalization significantly increased output, while increases in cultural polarization significantly decreased output. We address the issue of identifying the causal effects of cultural diversity by using the supply-push component of immigrant inflows as an instrumental variable.

مقدمه انگلیسی

During the 1850–1920 period the US experienced a mass inflow of immigrants: more than 30 million people migrated from Europe to the US, with the average annual immigration inflow rate measuring about 0.75% of the total US population (Hatton and Williamson, 1998). We exploit this historically unique inflow of immigrants to the US to study the effects that changes in the cultural composition of the US population had on output growth. Because immigrants came from different European countries, the mass immigration wave not only affected the overall share of foreign-born in the US but also affected significantly the diversity of the working and voting-age population.1 A by now well-established literature has investigated the effects of cultural diversity on economic growth in the cross-section of countries.2 Our aim is to contribute to this literature in two main dimensions. First, our empirical analysis is based on comparing how within-county changes in cultural diversity affect within-county changes in output. An often made critique of the cross-country growth literature is that in the cross-section there are many difficult-to-measure omitted variables, such as history and geography, that affect both economic growth and the cultural diversity of the population. Our empirical analysis circumvents this critique by using exclusively the within-county variation of the data. Fixed factors, such as geography or history are therefore differenced out. Second, as Alesina and La Ferrara (2005) point out, the cultural diversity of regions may itself respond over time to changes in the economic environment. We address this important issue by using the supply-push component of immigrant inflows as an instrumental variable. The supply-push component of immigrant inflows is a widely used instrumental variable in the labor economics literature (see e.g. Card and DiNardo, 2000, Card, 2001, Card, 2009, Saiz, 2003, Ottaviano and Peri, 2005 and Ottaviano and Peri, 2006). This instrumental variables estimation strategy has, however, not been used before to examine the causal effects that cultural diversity had on output growth at the US county level during the age of mass migration. On the theoretical front, the cultural economics literature has suggested several potentially countervailing channels through which cultural diversity affects output growth. Cultural diversity can have a positive effect on output growth if a more diverse working-age population is associated with a greater variety of skills that in turn enable the production of a greater variety of goods and services (e.g. Alesina and La Ferrara, 2005). A more diverse and, in particular, a more polarized population can however also have detrimental effects on output growth if it is associated with increased social conflict and a reduction in the quality and quantity of public good provision. We examine these countervailing effects by constructing measures of cultural fractionalization and cultural polarization. While our measure of cultural fractionalization is strictly increasing in the number of groups, our measure of cultural polarization is maximized when two groups are of equal size. Our polarization measure is, therefore, closely related to Horowitz's (1985) statement that conflicts are more likely in societies where a large ethnic minority faces an ethnic majority. Conflict models such as those in Esteban and Ray, 1999 and Esteban and Ray, 2011a formalize the non-monotonic relationship between diversity and conflict emphasized by Horowitz (1985). These models predict that social tensions are greatest when there are two equally powerful groups that contest for resources. Our first main finding is that increases in cultural fractionalization led to significant increases in output per capita during the 1870–1920 period. Focusing on within-county changes in cultural fractionalization to eliminate fixed county-specific characteristics, we find that a 1 percentage point increase in counties' cultural fractionalization increased output per capita by up to 2%. To link this result more closely to the cultural economics literature where a key argument for a positive effect of cultural fractionalization on output per capita is an increase in skill variety, we show that within-county increases in cultural fractionalization were associated with significant within-county increases in the occupational diversity of workers. Our second main finding is that increases in cultural polarization had a significant negative effect on output per capita. Our fixed effects instrumental variables estimates yield that a 1 percentage point increase in cultural polarization decreased output per capita by up to 3%. The political economy literature has linked polarization to voracious redistribution (Tornell and Lane, 1999 and Lane and Tornell, 1996), a large government sector and distortionary taxation (Azzimonti, 2011), as well as violent conflict (Esteban and Ray, 1999, Esteban and Ray, 2011b, Montalvo and Reynal-Querol, 2005a and Montalvo and Reynal-Querol, 2005b). In line with this literature, we document that during the 1870–1920 period increases in polarization led to a significant increase in the tax quote and the number of public sector employees. We also provide some anecdotal evidence for conflict tensions among European immigrants. The results from our empirical analysis also illustrate the importance of including polarization and fractionalization jointly in the regression model. This point was already made in the context of cross-country regressions by Montalvo and Reynal-Querol, 2005a and Montalvo and Reynal-Querol, 2005b who show that the effects of ethnic polarization on a variety of determinants of economic growth, such as investment and civil war, differ from the effects of ethnic fractionalization. Our within-county regressions show that, when the effect of fractionalization on economic growth is estimated without controlling for the (negative) effect of polarization on economic growth the obtained coefficient on fractionalization is negative and statistically significant. Hence, estimating the effects of fractionalization on economic growth without controlling for the effects of polarization would lead to the conclusion that an increase in fractionalization is bad for economic development. However, this would be a mistaken conclusion. Once the negative effect of polarization is controlled for in the regression model, the coefficient on fractionalization becomes positive and significant thus in line with the predictions from the theoretical literature that we discussed above. A further finding of our within-county estimation approach is a significant mean reversion in the cultural fractionalization and polarization index. This finding is important for the empirical literature on the effects of cultural diversity: it implies that using initial cultural diversity indices to circumvent endogeneity problems will lead to coefficients that reflect the opposite of the true causal effect that within-county changes in cultural fractionalization and polarization have on output growth. Our finding of mean reversion in the fractionalization and polarization index is particularly important for studies that focus on periods of significant change in the cultural composition of the population.3 Statistically, the mean reversion follows from the bounded nature of these indices on the unit interval. By definition, mean reversion implies that counties with initially higher levels of cultural fractionalization and polarization experienced subsequently smaller changes in fractionalization and polarization. Using initial values to examine how a change in the cultural diversity of the population induces a change in output per capita requires to deal, therefore, correctly with the mean-reverting time-series nature of these indices. We show that this mean reversion of the cultural diversity indices can be accounted for by using an IV approach where the change in fractionalization and polarization is instrumented by the initial level. Via the first-stage, the IV approach takes into account the mean reversion in the cultural fractionalization and polarization index. Importantly, we find that our main results continue to hold when using this alternative instrumental variables approach and controlling for initial conditions. Methodologically, our instrumental variables estimation strategy that uses the supply-push component of immigrant inflows as an instrument is related to the empirical work of Ottaviano and Peri (2006). Ottaviano and Peri tackle endogeneity problems by using, as we do, the identification strategy from Card (2001) and Saiz (2003). Consistent with our results, Ottaviano and Peri find that increases in the cultural fractionalization of cities has a positive effect on productivity.4 However, our empirical analysis differs from the work of Ottaviano and Peri in two main aspects. First, Ottaviano and Peri focus on cultural fractionalization only. They do not examine the effects of cultural polarization. Our estimates show that increases in cultural polarization have a significant negative output effect while increases in cultural fractionalization have a significant positive output effect. The empirical findings in our paper therefore highlight the importance of distinguishing between cultural fractionalization and cultural polarization, as suggested by the theoretical literature. A second key difference between Ottaviano and Peri and our empirical analysis is the time period covered. Ottaviano and Peri focus on the 1970–1990 period while we focus on the period from 1870 to 1920. There are several reasons why focusing on the 1870–1920 period has advantages. First, in contrast to the 1970–1990 period, the 1870–1920 period was a period of free immigration. Illegal immigration was therefore not an issue due to the very liberal US immigration policy before 1920. Second, immigration during the 1870–1920 period changed significantly the demographic structure of the US population. Between 1870 and 1920, the annual inflow rate of immigrants peaked in some years around 1.5%, a value which was never reached again in the 20th century (see Fig. 1). Finally, from a historical perspective, the period of mass migration constituted the first large inflow of immigrants to the US.

نتیجه گیری انگلیسی

In this paper we investigated the effects that changes in cultural diversity had on economic growth by exploiting the wave of mass immigration to the US during the 1870–1920 period as a plausibly exogenous source of variation in cultural diversity. As immigrants flocked from European countries to the US the cultural composition of the US population changed significantly. We showed that increases in the cultural fractionalization of US counties significantly increased output per capita, while increases in the cultural polarization had a significant negative output per capita effect. Our finding that increases in cultural fractionalization significantly increased output per capita is consistent with the argument in the cultural economics literature that greater diversity of the population increases output per capita due to greater variety of workers' skills and a greater variety of goods and services. On the other hand, our finding that increases in cultural polarization significantly decreased output per capita is consistent with the conflict literature that has emphasized the negative, socially destabilizing effect of cultural polarization. An important implication of the findings in our paper for empirical research is that it is crucial to distinguish between fractionalization and polarization when examining the effects that cultural diversity has on economic growth. In terms of policy implications, our findings suggest that growth-promoting immigration policies should take into account how immigration affects the (regional) distribution of cultural differences. If immigration leads to increases in fractionalization (i.e. the distribution of cultures becomes more dispersed) then, according to our findings, this will likely have a positive effect on economic growth. If, on the other hand, immigration leads to an increase in polarization (i.e. the distribution of cultures increases around opposing extremes) then the economic growth effects are likely to be negative.

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