Silva, Armando; Afonso, Oscar; Africano, Ana Paula - In: The Journal of International Trade & Economic Development 21 (2012) 6, pp. 773-805
Using a longitudinal database (1996--2003) at the plant level, this article analyses the causal nexus between international trade engagement and productivity in Portugal. By applying the propensity score matching and a differences-in-differences estimator, the learning-by-exporting hypothesis is...