Despite the widespread occurrence of humanitarian emergencies such as epidemics, earthquakes, droughts, floods and violent conflict and despite the significant financial resources devoted to humanitarian assistance, systematic learning from such interventions using rigorous theory-based impact...

This paper discusses twenty five methodological issues covering selected areas of both micro and macroeconomics. Included on the micro side are issues related to modelling the price system, assessing its efficiency, competing models of competition, modelling technological change and economic...