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Sex Selection and Gender Balance

By V. Bhaskar

American Economic Journal: Microeconomics, February 2011

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 inefficient due to a marriage market congestion externality. Medical innovations th...

Gender Differences in Preferences

By Rachel Croson and Uri Gneezy

Journal of Economic Literature, June 2009

This paper reviews the literature on gender differences in economic experiments. In the three main sections, we identify robust differences in risk preferences, social (other-regarding) preferences, and competitive preferences. We also speculate on the ...

The Area and Population of Cities: New Insights from a Different Perspective on Cities

By Hernán D. Rozenfeld, Diego Rybski, Xavier Gabaix, and Hernán A. Makse

American Economic Review, August 2011

The distribution of city populations has attracted much attention, in part because it constrains models of local growth. However, there is no consensus on the distribution below the very upper tail, because available data need to rely on "legal" rather th...

Strategic Immunization and Group Structure

By Andrea Galeotti and Brian W. Rogers

American Economic Journal: Microeconomics, May 2013

We consider the spread of a harmful state through a population divided into two groups. Interaction patterns capture the full spectrum of assortativity possibilities. We show that a central planner who aims for eradication optimally either divides equa...

From Homo Economicus to Homo Sapiens

[Symposium: Forecasts for the Future of Economics]

By Richard H. Thaler

Journal of Economic Perspectives, Winter 2000

In responding to a request for predictions about the future of economics, I predict that Homo Economicus will evolve into Homo Sapiens, or, more simply put, economics will become more related to human behavior. My specific predictions are that Homo Econom...

Selling Cookies

By Dirk Bergemann and Alessandro Bonatti

American Economic Journal: Microeconomics, August 2015

We propose a model of data provision and data pricing. A single data provider controls a large database that contains information about the match value between individual consumers and individual firms (advertisers). Advertisers seek to tailor their spend...