Sex Selection and Gender Balance

V Bhaskar
2011 American Economic Journal: Microeconomics  
We model the equilibrium sex ratio when parents can choose the sex of their child. With intrinsic son preference, sex selection results in a male-biased sex ratio. This is ine¢ cient due to a marriage market congestion externality. Medical innovations that facilitate selection aggravate the ine¢ ciency. If son preference arises endogenously, due to population growth causing an excess supply of women on the marriage market, selection may improve welfare. Empirically, sex selection causes an
more » ... s of males and reduces welfare in China, and in North-Western India.
doi:10.1257/mic.3.1.214 fatcat:skqzaaszijh5dfrt5flbfbewka