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 levels of altruism and their willingness to accept risk: feelingas if …

This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind …

employed in cooperatives.We gathered incentive-compatible measures of risk preferences, time preferences, reciprocity, altruism … students. To do this, we conducted a high-stakes lab-in-the-field experiment in which participants played a series of online … experimental games and made incentivised decisions. The average payoff in the experiment was approximately 2.5 times higher than …