Federal health and safety regulations have saved or improved the lives of thousands of Americans, but protecting our citizens from risk entails significant costs. In a world of limited resources, we must spend our regulatory dollars responsibly in order to do the most we can with the money we...

The U.S. Food and Drug Administration (FDA) balances risks and benefits before approving pharmaceuticals, as rationality would require. But powerful behavioral biases that lead to the mishandling of uncertainty also influence its approval process. The FDA places inordinate emphasis on errors of...

We investigate the impact of regulatory risk on vertical integration and upstream investment by a regulated firm that provides an essential input to downstream competitors. Regulatory risk reflects uncertainty about the regulator's commitment to a regulatory policy that promotes the regulated...