This paper identifies shocks to bank credit supply based on firms’ aggregate debt composition. I use a model where firms fund production with bonds and loans. Only bank shocks imply opposite movements in the two types of debt as firms adjust their debt composition to new credit conditions. I...

European macroeconomic and financial aggregates move in lockstep over the business cycle. We develop a model in which a single risk premium shock triggers these comovements. The key feature is a financial sector where traditional banks transfer part of their risky loan portfolio to nonbank...

Banking crises have severe short and long‑term consequences. We develop a general equilibrium model with financial frictions and endogenous growth in which macroprudential policy supports economic activity and productivity growth by strengthening bank’s resilience to adverse financial...

I begin with two simple, similar interactions. In one, maximizing agents will reach a Pareto-optimal equilibrium, in the other, they won’t. The first shows the working of the Invisible Hand; the second, its limitations. Using other simple interactions in which equilibrium and P-optimality are...