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...

The authors show that exported products exit the US market sooner if they violate the Heckscher-Ohlin notion of comparative advantage. Crucially, this pattern is stronger when exporting country has a well-developed banking system, measured by a high ratio of bank credit over the GDP. Banks thus...

This paper examines the effects of transit, documentation, and ports and customs delays on Africa s exports. The authors find that transit delays have the most economically and statically significant effect on exports. A one-day reduction in inland travel times leads to a 7 percent increase in...

Recent data show that the institutional content of preferential trade agreements has evolved over time. Although pre-1990s preferential trade agreements mostly focused on tariff liberalization, recent agreements increasingly contain deep provisions in diverse areas, such as intellectual property...