In reviewing the Challenger tragedy, Richard Feynman identified a flawed O-Ring as the proximate cause and NASA's flawed safety culture as a deeper cause. There has been no similar investigation of the mortgage mess, which has been baptized rather than understood. In part, this is due to...

We present a model of policy development in which competing factions have different ideologies, yet agree on certain common objectives. Policy developers can appeal to a decision maker by making productive investments to improve the quality of their proposals. These investments are specific to a...

Alesina and Tabellini (2007) investigate the normative criteria for allocating policy tasks to bureaucrats versus politicians. While they establish criteria with respect to a number of parameters, they do not give a criterion with respect to the degree of imperfect monitoring. We establish an...

This paper studies the effect of additional government revenues on political corruption and on the quality of politicians, both with theory and data. The theory is based on a political agency model with career concerns and endogenous entry of candidates. The data refer to Brazil, where federal...

We analyze the impact of monetary policy on the supply of bank credit. Monetary policy affects both loan supply and demand, thus making identification a steep challenge. We therefore analyze a novel, supervisory dataset with loan applications from Spain. Accounting for time-varying firm...

Does credit availability exacerbate asset price inflation? Are there long run consequences? During the farm land price boom and bust before the Great Depression, we find that credit availability directly inflated land prices. Credit also amplified the relationship between positive fundamentals...

Until the middle of the 1970s, regulations constrained banks' ability to enter new markets. Over the subsequent 25 years, states gradually lifted these restrictions. This paper tests whether rents fostered by regulation were shared with labor, and whether firms were discriminating by sharing...