We study changes in the form of government as an example of endogenously determined constitutions. For a sample of 202 countries over the period 1950-2006, we find that most changes are relatively small and roughly equally likely to be either in the direction of more parliamentarian or more...

De jure judicial independence (JI) is the single most important predictor of de facto JI. In this paper, we describe under what conditions countries are likely to include JI in their constitutions. We describe and analyze both their original choice in this regard as well as change over time...

We report the results of an experiment on norm violation, specifically lying, in a repeatedly played mind game with Syrian refugees in Jordan and in Germany. We compare their behavior with Jordanians, Germans, and Syrians who still live in Syria. The average number of lies is amazingly similar -...

An unprecedented number of refugees from Syria has sought refuge in both the Middle East andEurope since the beginning of the civil war in Syria in 2011. We analyze the level of altruism and risk-seeking among Syrian civil war victims in Jordan. We find systematic variations in their revealed...

The civil war in Syria has been raging since 2011. We ask whether civil war experience affects voluntary cooperation and its coordination by means of peer punishment. To answer that question, we ran experiments with Syrians and Jordanians, and use a victimization index to measure the individual...

We study the long-term and dynamic relationship between de jure and de facto judicial independence using a large panel dataset covering 50 countries over a period of 50 years. Our analysis shows a negative relationship between these variables, a sharp cont rast to the prevailing theoretical view...