Combining the methodologies of experiment economics and molecular genetics, we report genetic association between sex-hormone genes and ultimatum game (UG) behavior in a discovery sample from China and a replication sample from Israeli. We find that the estrogen receptor β gene (ESRβ) is...

We study the role of risk aversion underlying son preference in patriarchal societies, where sons serve as better insurance for old-age support than daughters. The implications of an insurance motive on son preference are two-fold. First, prior to the birth of their children, more risk-averse...

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...

We study the role of risk aversion underlying son preference in patriarchal societies, where sons serve as better insurance for old-age support than daughters. The implications of an insurance motive on son preference are two-fold. First, prior to the birth of their children, more risk-averse...

Building on the much-celebrated sex-specific hypothesis on visceral responses, here we examine whether the well-replicated gender difference in competitiveness may be influenced by the visceral responses. In the first experiment, we show that the gender difference in competitiveness is partially...