There is limited causal evidence on the effects of different public procurement regulations on project quality and value-for-money for projects funded by national governments and foreign aid donors. This paper uses policy and experimental variation to study how two key contracting...

This study analyses the role of Aid for Trade in reducing trade costs in least developed countries (LDCs). The analysis builds on questionnaires and case stories submitted as part of the Aid-for-Trade monitoring and evaluation exercise for the Fifth Global Review of Aid for Trade. Trade costs...

Following the rationale for regional redistribution programs described in the official documents of the European Union, this paper studies a very simple multi-country model built around two regions: a core and a periphery. Technological spill-overs link firms' productivity in each of the two...

Measuring impacts of extreme events on population well-being is complicated if data are not representative of the pre-event at-risk population or a representative sample of the population is not followed post-event. The sources and nature of some important biases are documented using data from...