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Fertility and Family Labor Supply

By Katrine M. Jakobsen, Thomas H. Jørgensen, and Hamish Low

American Economic Review

We study how fertility decisions interact with labor supply and human capital accumulation of men and women. First, we use longitudinal Danish register data and tax reforms to show that increases in wages of women decrease fertility while increases in wag...

Customer Overlap and Diversion Ratios

By Liran Einav, Mariana Guido, and Pete Klenow

American Economic Review: Insights

We define the concept of customer overlap of product j with product k as the share of j’s customers who buy k. We argue that, in appropriate contexts, customer overlaps are an excellent proxy for diversion ratios, a useful and popular way to summariz...