Hedge fund managers differ in ability and investors want to distinguish good ones from bad. Via the design of their investment strategies, better fund managers want to ease this inference problem while worse fund managers want to complicate it. We impose only the minimal restrictions on the...

The near-failure on September 16, 2008, of American International Group (AIG) was an iconic moment in the financial crisis. The decision to rescue AIG was controversial at the time and remains so. Large bets on real estate pushed AIG to the brink of bankruptcy. In one case, AIG used securities...

Explanations of why changes in the relative quantities of safe debt seem to affect asset prices often appeal informally to a “portfolio balance” mechanism. I show how this type of effect can be incorporated in a general class of structural, arbitrage-free asset-pricing models using a...