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The Effects of DNA Databases on Crime

By Jennifer L. Doleac

American Economic Journal: Applied Economics, January 2017

Every US state has a database of criminal offenders' DNA profiles. These databases receive widespread attention in the media and popular culture, but there has been no rigorous analysis of their impact on crime. This paper intends to fill that gap. I expl...

Networks, Markets, and Inequality

By Julien Gagnon and Sanjeev Goyal

American Economic Review, January 2017

The interaction between community and markets remains a central theme in the social sciences. The empirical evidence is rich: in some instances, markets strengthen social ties, while in others they undermine them. The impact of markets on inequality and w...

Beeps

By Jeffrey C. Ely

American Economic Review, January 2017

I introduce and study dynamic persuasion mechanisms. A principal privately observes the evolution of a stochastic process and sends messages over time to an agent. The agent takes actions in each period based on her beliefs about the state of the process ...

Social Status in Networks

By Nicole Immorlica, Rachel Kranton, Mihai Manea, and Greg Stoddard

American Economic Journal: Microeconomics, February 2017

We study social comparisons and status seeking in an interconnected society. Individuals take costly actions that have direct benefits and also confer social status. A new measure of interconnectedness--cohesion--captures the intensity of incentives for s...