Security

Systemic Risk: Amplication Effects, Externalities, And Policy Responses

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Executive Summary

The worst financial crises since the Great Depression has forced central bankers and policymakers across Europe and around the globe to take unprecedented policy measures to deal with systemic risk, i.e. the risk that the financial system ceases to perform its function of allocating capital to the most productive use because of financial difficulties among a significant number of financial institutions. This paper develops a parsimonious model of systemic risk in the form of amplification effects whereby adverse developments in financial markets and in the real economy mutually reinforce each other and lead to a feedback cycle of falling asset prices, deteriorating balance sheets and tightening financing conditions.

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