Africa's share of global exports has dropped by 50 percent over the last three decades. To stem this decline, aid for trade to the region has increased rapidly in recent years. Assistance can target improvements in three important components of trade facilitation: transit times, documentation,...

Using Global Positioning Systems in Household Surveys for Better Economics and Better Policy John Gibson David McKenzie Distance and location are the important determinants of many choices that economists study. This article reviews four ways that GPS can lead to better economics and better...