In today’s increasingly interconnected world, deciding with whom and at what level to cooperate becomes a matter of increasing importance as societies become more globalized and large-scale cooperation becomes a viable means of addressing global issues. This tension can play out via...

We use a large laboratory experimental data involving 2,118 Chinese subjects from Singapore and 1,260 Chinese subjects from Beijing and 400 Jewish subjects from Israel to investigate gender and country difference in altruistic giving using the Andreoni-Miller dictator game (AMDG). Our results...

Combining the methodologies of experimental economics and molecular genetics, we report a genetic association between sex-hormone genes and ultimatum game (UG) behavior in a discovery sample from China and a replication sample from Israel. The androgen receptor gene is found to be associated...

This study explores the relationship between competitiveness and stress. In Experiment 1, we examine the response of cortisol, the primary stress hormone, during both piece-rate and tournament tasks. We find that the more competitive tournament task induces a higher cortisol response than the...