Reduced credit supply in the years 2008 and 2009 should have resulted in lower growth in industries that are more dependent on external finance. This effect should have been stronger in countries with a more prominent and/or more leveraged financial system. We focus on the OECD countries and,...

We study optimal risk adjustment in imperfectly competitive health insurance markets when high-risk consumers are less likely to switch insurer than low-risk consumers. First, we find that insurers still have an incentive to select even if risk adjustment perfectly corrects for cost differences...

We study incentives of banks to reserve liquidity given that they can rely on the interbank market to mitigate crisis-related liquidity shocks. Banks can partially pledge their assets to each other, but not to the rest of the economy. Therefore liquidity provision is endogenous. We show that if...

We explore whether a Financial Transactions Tax (FTT) is likely to correct the market failures that have contributed to the financial crisis, to what extent FTT succeeds in raising revenues, and how the FTT compares to alternative taxes in terms of efficiency. We find little evidence that the...

The financial crisis has been attributed partly to perverse incentives for traders at banks and has led policy makers to propose regulation of banks' remuneration packages. We explain why poor incentives for traders cannot be fully resolved by only regulating the bank's top executives, and why...

This paper provides an analysis of exclusive contracts between health care providers and insurers in a model where some consumers choose to stay uninsured. In case of a monopoly insurer, exclusion of a provider changes the distribution of consumers who choose not to insure. Although the...

A renewable obligation combined with tradable renewable energy certificates is a market-based instrument used to promote the production of electricity from renewable energy sources. A renewable obligation is an alternative for subsidies. A renewable obligation will only be an efficient...