To what extent has Sub-Saharan Africa's slow economic growth over the past five decades been due to price and trade policies that discouraged production of agricultural relative to non-agricultural tradables? This paper uses a new set of estimates of policy induced distortions to relative...

The purpose of this study is to measure the sensitivity of trade volumes and unit values to agricultural productivity shocks at home and abroad. We find that the unit values of trade ows vary systematically with production shocks using both aggregate data on a large sample of countries and...