The production of export goods has become increasingly unbundled, and countries positioning to become more integrated in the global economy are increasingly looking toward global value chains. This paper uses the Organisation for Economic Co-operation and Development/World Trade Organization's...

The gravity model is now widely used for policy analysis and hypothesis testing, but different estimators give sharply different parameter estimates and popular estimators are likely biased because dependent variables are limited-dependent, error variances are nonconstant and missing data...