We analyze the effect of the geographic expansion of banks across U.S. states on the co-movement of economic activity between states. Exploiting the removal of interstate banking restrictions to construct time-varying instrumental variables at the state-pair level, we find that bilateral banking...

We study contracting between a consumer and an expert. The expert can invest in diagnosis to obtain a noisy signal about whether a low-cost service is sufficient or whether a high-cost treatment is required to solve the consumerś problem. This involves moral hazard because diagnosis effort and...

This paper proposes a theory of shadow bank runs in the presence of sponsor liquidity support. We show that liquidity lines designed to insulate shadow banks from market and funding liquidity risk can be destabilizing, as they provide them with incentives to acquire private information about...