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...

The empirical literature points to a stylized phenomenon of increased demand for hope following adversity. Clotfelter and Cook (1989) suggest that hope is a key sentiment underpinning recreational gambling. Chew and Ho (1994) offer the view of hope being experienced in lottery products when...

This paper examines how female and male examination performance are differentially affected by the degree of competitive pressure faced. Our setting is China's National College Entrance Exam (Gaokao) which is widely regarded as the world's most competitive exam. We show that compared to male...