The 1990's have seen an explosion of state legislation mandating the provision of specific health insurance benefits, and the federal government appears poised to enact significant managed care patient protection legislation as well. Although patient protection is popular with voters, economists...

Regulation and competition policy are two alternative modalities by which the state intervenes in the market. In order for either to deliver welfare gains, there must first be a pre-existing market failure. We first present different varieties of market failures and identify those for which...