The most recent literature on aid effectiveness finds a positive effect of aid on growth. To the extent that aid goes through the budget, this either reflects an aid-financed increase in government expenditures (quantity effect) or an improvement in the use of government resources as a result of...

Does "infant industry" preferential access durably boost export performance? This paper exploits significant trade policy changes in the United States around the turn of the 21st century to address this question. The expansion of Generalized System of Preferences (GSP) products for less...

Donor agencies and recipient governments want to assess the effectiveness of aid-supported sector policies. Unfortunately, existing methods for impact evaluation are designed for the evaluation of homogeneous interventions (‘projects’) where those with and without ‘treatment’ can be...