The evolution of large-scale cooperation among genetic strangers is a fundamental unanswered question in the social sciences. Behavioral economics has persuasively shown that so called "strong reciprocity" plays a key role in accounting for the endogenous enforcement of cooperation. Insofar as...

Though risk attitude is central to economics and finance, relatively little is known about how it is formed and how it changes over time. Based on US data from a dedicated psycho-social module on lifestyle of the 2010 Health and Retirement Study (HRS), we provide new evidence on the correlation...

This paper shows that social variables capturing individuals' sociability as well as strength of their social ties play an important role in affecting where individuals locate themselves in the social ladder, also when their objective location within society is taken into account. Using data...