We extend a theory of fidelity in a two-sided economy, and empirically discriminate between different rationales of sexual network formation by testing their implications for how sex ratios affect sexual activity, relationship stability, and the spread of sexually transmitted diseases in men...

This paper offers new causal evidence on how the timing of prenatal temperature shocksaffects fetal health, sex ratio at birth, and infant mortality. Analyzing data on nearly 2million live births from sub-Saharan African countries and exploiting exogenous spatialand temporal variation in monthly...

How does the sex ratio affect sexual network formation, relationship stability, and the spread of sexually transmitted diseases, and how do these effects differ by gender? We address these questions by developing a dynamic theory of sexual network formation in a two-sided economy, where agents...