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Documents in EconStor may• from the SSRN website:www. SSRN.com • from the RePEc website:www.RePEc.org• from the CESifo website:T www. CESifo-group.org/wpT CESifo Working Paper No. 2524 Do Better Schools Lead to More Growth? Cognitive Skills, Economic Outcomes, and Causation
AbstractWe provide evidence that the robust association between cognitive skills and economic growth reflects a causal effect of cognitive skills and supports the economic benefits of effective school policy. We develop a new common metric that allows tracking student achievement across countries, over time, and along the within-country distribution. Extensive sensitivity analyses of cross-country growth regressions generate remarkably stable results across specifications, time periods, and country samples. In addressing causality, we find, first, significant growth effects of cognitive skills when instrumented by institutional features of school systems. Second, home-country cognitive-skill levels strongly affect the earnings of immigrants on the U.S. labor market in a difference-in-differences model that compares home-educated to U.S.-educated immigrants from the same country of origin. Third, countries that improved their cognitive skills over time experienced relative increases in their growth paths. From a policy perspective, the shares of basic literates and high performers have independent significant effects on growth that are complementary to each other, and the highperformer effect is larger in poorer countries. warranted scepticism about the identification of causal effects remains. We argue that the most significant problem with these analyses has been the valid measurement of skill differences across countries and that, once remedied, a strong case can be made for identification of true causal impacts in more elaborate econometric specifications.As a simple summary observation, world policy attention today focuses on the lagging fortunes of Sub-Saharan Africa and of Latin America. Considerably less attention goes to East Asia, and, if anything, East Asia is proposed as a role model for the lagging regions. Yet to somebody contemplating development policy in the 1960s, none of this would be so obvious.Latin America had average income exceeding that in Sub-Saharan Africa and the Middle East and North Africa regions, and both of these exceeded East Asia (see Appendix Table A1).1 Further, Latin America...