This paper analyzes Zambian export patterns using a new transaction-level trade data set for the period 1999-2011. The data show that, in international comparison, Zambian exports are exceptionally concentrated (on mining products). This reliance has been increasing in recent years. Zambia's...

This paper analyzes Zambian export patterns using a new transaction-level trade data set for the period 1999-2011. The data show that, in international comparison, Zambian exports are exceptionally concentrated (on mining products). This relianc

This paper uses a structural gravity model to show the effects of services policies on manufacturing exports. Whereas the previous literature has focused on indirect effects of policies - flowing through productivity effects in domestic services markets - we look at direct effects, namely the...

This paper analyzes the linkage between services and manufacturing productivity performance, using firm-level data for over 100 developing countries. We find strong evidence for such a linkage, although the effect is small: at the average rate of services input intensity, a 10% improvement in...

The World Bank has developed a novel method for measuring countries connectivity in global networks and has applied it to the global air transport network. Connectivity in this context is defined as a country s relative position in that network in terms of the total push and pull it exerts on...