ally by regulators.РIn this paper we analyze the mechanisms by which such risk could cause an economy-wide col-lapse.We focus on two types of contagion that might lead to systemic risk problems: (1) information contagion,where the information that one financial firmis troubled is associatedwith negative shocksat other financial institutions largely because the firms mon risk factors; or (2) counterparty contagion,where one important financial institution’s collapse leads directly to troubles at other cred-itor firms whose troubles snowball and drive other firms into distress. The efficacy of TBTF policies depends crucially on which of these two types of systemic riskmechanisms dominates.Counterparty contagion may warrant intervention in individual bank failureswhile information contagion does not.
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