Traditionally, regulation of banks has focused on the riskentailed in bank loans. Loans are typically nontradedassets. In recent years, another component of bank assetshas become increasingly important: assets actively tradedin the financial markets.1 These assets form the “tradingbook” of a...

We study an economy where agents are heterogeneous in terms of observablewealth and unobservable talent. Adverse selection forces creditors to ask forcollateral. We study the two-way interaction between rationing in the creditmarket and the wages offered in the labor market. Both pooling and...

We study market inefficiencies and policy remedies when agents choose their occupations, and entrepreneurialtalent is subject to private information. Untalented entrepreneurs depress the returns to entrepreneurshipbecause of adverse selection. The severity of this problem depends on the outside...