The current COVID-19 pandemic has attracted significant attention from epidemiologists and economists alike. This differs from the 1918-19 Spanish Influenza pandemic, when academic economists hardly paid attention to its economic features, despite its very high mortality toll. We examine the...

This paper studies the cyclical pattern of ex post markups in the banking system using balance-sheet data for a large set of countries. Markups are strongly countercyclical even after controlling for financial development, banking concentration, operational costs, inflation, and simultaneity or...

Credit constraints that link a private agent’s debt to market-determined prices embody a credit externality that drives a wedge between competitive and constrained socially optimal equilibria, inducing private agents to overborrow. The externality arises because agents fail to internalize the...