We study third-party loan guarantees in a model in which lenders can screen, learn loan quality over time and can sell loans before maturity when in need of liquidity. Loan guarantees improve market liquidity and reduce lending standards, with a positive overall welfare effect. Guarantees...

One of the lessons to be learned from the financial crisis is that the mechanics of initial margins and collateral haircuts, applied to manage counterparty credit risk and market risk out of an outstanding position in derivatives, may cause significant perverse effects on the financial system by...