We jointly analyze the genesis of terrorism and civil war, providing a simple conceptual framework to explain why violent opposition groups choose distinct forms of violence (i.e., terrorism and open rebellion). We argue that the distinct modes of violent opposition are chosen by violent...

Is the activity of volunteering something that benefits the volunteer as well as the recipient of the volunteer's activities? We analyze this relationship and apply matching estimators to the large- scale British Household Panel Survey (BHPS) data set to estimate the causal impact of...

Die gegenwärtige Weltwirtschaftskrise hat die Diskussion um die Wirkungen der Globalisierung und einer kapitalistischen Wirtschaftsordnung neu entfacht, vielfach herrscht eine große Skepsis über die möglichen negativen Wirkungen der Globalisierung. Derartig motivierte Sorgen können sich...

In this paper we develop a methodology which is based on two important criteria - sensitivity in delivery time and value-to-weight ratio - to classify products relevant for air transport. Detailed trade data by mode of transport are used to check the loading of an average airplane between South...