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...

With the growth of the Internet, online job portals have become an important medium for job matching. This paper focuses on methodological issues arising from the usage of online job vacancy data and voluntary web-based surveys to analyse the labour market. In addition to providing a...

Laboratory experiments have become a wide-spread tool in economic research. Yet, there is still doubt about how well the results from lab experiments generalize to other settings. In this paper, we investigate the self-selection process of potential subjects into the subject pool. We alter the...

This paper examines the role of other-regarding and time preferences for cooperation in the field. We study the preferences of fishermen whose main, and often only, source of income stems from using a common pool resource (CPR). The exploitation of a CPR involves a negative interpersonal and...

Economists studying the economic behaviour of immigrants have tended to avoid serious interdisciplinary work. I argue that when presented with a particular set of research questions that lend themselves to a utility maximisation framework, an economist will be able to pursue interdisciplinary...

This examination of the role and potential for replication in economics points out the paucity of both pure replication - checking on others' published papers using their data - and scientific replication - using data representing different populations in one's own work or in a Comment. Several...