Research summary: Platform owners sometimes enter complementors’ product spaces and compete against them. Using data from Amazon.com to study Amazon’s entry pattern into third-party sellers’ product spaces, we find that Amazon is more likely to target successful product spaces. We also...

We use data from the 2007-2008 Ph.D. economist job market to investigate initial job placement in terms of job location, job type, and job rank. Our results suggest gender differences in all three dimensions of job placement. Relative to their male counterparts, female candidates are less (more)...

We examine the incentives and implications of supplier encroachment, when final good produc-tion requires the use of multiple complementary inputs and the entry of a supplier into the final good market gives rise to mutual outsourcing of inputs between the encroaching supplier and the incumbent....