In this paper we show that if a very small, exogenously given probability of terminating the exchange is introduced in an elementary investment game, reciprocators play more often the defection strategy. Everything happens as if they hide behind probabilities in order to break the trust...

This paper investigates whether language priming activates different cultural identities and norms associated with the language communicated; bilingual subjects are given Chinese instructions in the Chinese treatment and English instructions in the English treatment. The main findings are: (1) in...

We test 494 households participating in the German Socio Economic Panel SOEP to examine risk taking by one household member that affects a second household member. Choices cannot be explained by (short term) strategic behavior. Respect for the risk preference of the counterpart is at best...

We explore how risk-taking in the card game contract bridge, and in a financial gamble, correlate with variation in the dopamine receptor D4 gene (DRD4) among serious tournament bridge players. In bridge risk-taking, we find significant interactions between genetic predisposition and skill....

In an economy with a continuum of individuals, each individual has a stochastic, continuously evolving endowment process. Individuals are risk averse and would therefore like to insure their endowment processes. It is feasible to obtain insurance by pooling endowments across individuals because...