Misdiagnosis: Incomplete Cures of Financial Regulatory Failures

International Financial Crises: Causes, Prevention, and Cures

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Financial Entanglement : A Theory of Incomplete

We propose a unified model of limited market integration, asset-price determination, leveraging, and contagion. Investors and firms are located on a circle, and access to markets involves participation costs that increase with distance. Due to a complementarity between participation and leverage decisions, the market equilibrium may exhibit diverse leverage and participation choices across inve...

Regulatory Arrangements, Financial Stability, and Regulatory Reform

General Equilibrium with Endogenously Incomplete Financial Markets

The present paper studies a class of general equilibrium economies with imperfectly competitive financial intermediaries and price-taking consumers. Intermediaries optimally choose the securities they issue and the bid-ask spread they charge. Financial intermediation is costly, and hence markets are endogenously incomplete. An appropriate equilibrium concept is developed, and existence is prove...

Pareto Improving Financial Innovation in Incomplete Markets

Financial innovation in an existing asset generically supports a Pareto improvement, targeting the income effect. This result, as several on taxation, owes to one unifying notion: that an intervention generically supports Pareto improvements if the implied price adjustment is sufficiently sensitive to the economy’s risk aversion. Elul (1995) and Cass and Citanna (1998) introduce financial innov...