This paper discusses recent evidence regarding the existence of a cross-country empirical relationship between openness to international trade and economic growth. I discuss the empirical contributions of Warner (2003), Dollar and Kraay (2002), and Wacziarg and Welch (2003), and argue that these...

This paper explores whether the post-1980 decline in infrastructure investment in developing countries is a source of growing disparities in world per capita GDP. I start by reviewing the literature on the infrastructure-productivity link, arguing that a balanced reading of previous studies...