rule were adopted by all women bearing children. We then assess the impact of alternative combinations of fertility rates … of fertility rates and male-biased birth sex ratios. METHODS The "laboratory" is a closed, stable population with five … have no effect on the male/female birth proportions in the population, although they can alter the fertility rate, age …

theoretical explanation for why women attend college at a higher rate and earn a lower average income than men. Differential … fecundity and an equilibrium marriage market form the basis of my explanation. The model also accounts for gender … for women. I provide evidence to support my theory and calibrate the model to conduct counterfactual analyses. …