Does the proliferation of aid donors lead to visible changes in the world of foreign assistance? Aid provided by low- and middle-income countries, autocratic regimes and donors operating outside the Development Assistance Committee (DAC) of the OECD is gaining in importance. This article uses...

Since the 9/11 attacks more attention has been given to the question why the United States is a major target for transnational terrorism. What conditions motivate these terrorist activities? Are there specific characteristics in the terrorists home countries that provide a breeding ground for...

We apply recently proposed individual welfare measures in the context of preference heterogeneity, derived from structural labour supply models. Contrary to the standard practice of using reference preferences and wages, these measures preserve preference heterogeneity in the normative step of...

We provide causal evidence that German savings banks where local politicians are by law involved in their management systematically adjust lending policies in response to local electoral cycles. The different timing of county elections across states and the existence of a control group of...

We compare two commonly used mechanisms in procurement: auctions and negotiations. The execution of the procurement mechanism is delegated to an agent of the buyer. The agent has private information about the buyer s preferences and may collude with one of the sellers. We provide a precise...

We analyze stock market reactions to announcements of political appointments from the private sector and corporate appointments of former government officials. Using unique data on corporate affiliations and announcements of all Senate-confirmed U.S. Defense Department appointees of six...