This paper identifies and estimates the impact of firm entry and exit on plant-level productivity in Ethiopia as part of a selection mechanism that might be driving aggregate productivity growth in cities. Specifically, the paper investigates how firms' entry and exit contribute to the pace of...

COVID-19 led to a massive shutdown of businesses in the second quarter of 2020. Estimates from the CPS, for example, indicate that the number of active business owners dropped by 22 percent from February to April 2020. In this descriptive research note, we provide the first analysis of losses in...

Middlemen are ubiquitous in supply chains. In developing countries they help bring products from remote communities to end markets but may exert strong market power. We study a cooperative intervention which organizes together poor fishing communities in the Amazon -- one of the poorest and most...

Using Visa debit and credit card transactions in the U.S. from 2016 to 2019, we document the importance of customers in accounting for sales variation across merchants, across stores within retail chains, and over time for individual merchants and stores. Customers, as opposed to transactions...