Karen Horn Welch
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NBER Working Papers and Publications
|December 2003||Trade Liberalization and Growth: New Evidence|
with Romain Wacziarg: w10152
This paper revisits the empirical evidence on the relationship between economic integration and economic growth. First, we present an updated dataset of openness indicators and trade liberalization dates for a wide cross-section of countries in the 1990s. Second, we extend the Sachs and Warner (1995) study of the relationship between trade openness and economic growth to the 1990s, discussing recent criticisms of their measurement and estimation framework. Our results suggest that the cross-sectional findings of Sachs and Warner are sensitive to the period under consideration. In particular, an updated version of their dichotomous trade policy openness indicator does not enter significantly in growth regressions for the 1990s. Third, and most importantly, we present new evidence on the tim...
Published: Wacziarg, Romain and Karen Horn Welch. "Trade Liberalization and Growth: New Evidence." World Bank Economic Review 22, 2 (June 2008): 187-231. citation courtesy of