Factor models of disaggregate inflation indices suggest that sectoral shocks generate the bulk of sectoral inflation variance, but no persistence. Aggregate shocks, by contrast, are the root of sectoral inflation persistence, but have negligible relative variance. We show that simple factor...

We identify the effects of monetary policy on credit risk-taking with an exhaustive credit register of loan applications and contracts. We separate the changes in the composition of the supply of credit from the concurrent changes in the volume of supply and quality and volume of demand. We...

The financial crisis of 2007-9 has sparked keen interest in models of financial frictions and their impact on macro activity. Most models share the feature that borrowers suffer a contraction in the quantity of credit. However, the evidence suggests that although bank lending to firms declines...

Standard banking theory suggests that there exists an optimal level of credit risk that yields maximum bank profit. We identify the optimal level of risk-weighted assets that maximizes banks’ returns in the full sample of US banks over the period 1996–2011. We find that this optimal level is...

The cheapest way for banks to finance long term illiquid projects is typically to borrow short term from households. But when household needs for funds are high, interest rates will rise sharply, debtors will have to shut down illiquid projects, and in extremis, will face more damaging runs....

A firm's termination generates bankruptcy costs. This may create incentives for a firm's owner to bail out a firm in bankruptcy and to curb the firm's risk taking outside bankruptcy. We analyze the role of such implicit guarantees in the context of financial institutions that sponsor money...

The recent financial crisis has significantly modified the approach to helping troubled banks. The traditional role of the central bank has shifted toward non-credit forms of assistance, provided mainly by the state, and even toward assisting insolvent banks. State assistance - directly or...

Although long obscured by the Great Depression, the nationwide "bubble" that appeared in the early 1920s and burst in 1926 was similar in magnitude to the recent real estate boom and bust. Fundamentals, including a post-war construction catch-up, low interest rates and a "Greenspan put," helped...

In absence of bank risk-taking behavior, opacity is defined as the inability of depositors, speculators and central banker to disentangle default risk and asset's return from the asset's value. We show the conditions under which opacity leads to runs on a solvent bank in equilibrium and...

Using individual-level data on homeowner debt and defaults from 1997 to 2008, we show that borrowing against the increase in home equity by existing homeowners is responsible for a significant fraction of both the sharp rise in U.S. household leverage from 2002 to 2006 and the increase in...