Titelaufnahme

Titel
Bank leverage, welfare, and regulation / Anat R. Admati (Graduate School of Business, Stanford University), Martin F. Hellwig (Max Planck Institute for Research on Collective Goods, Bonn)
VerfasserAdmati, Anat R. ; Hellwig, Martin
Erschienen[Bonn] : [Max Planck Institute for Research on Collective Goods], 2019
Ausgabe
September 27, 2018, revised January 14, 2019
Umfang1 Online-Ressource (21 Seiten)
Anmerkung
Erscheinungsdatum den Dokumenteigenschaften entnommen
SerieDiscussion papers of the Max Planck Institute for Research on Collective Goods ; 2018/13
URNurn:nbn:de:hbz:5:2-183765 
Zugriffsbeschränkung
 Das Dokument ist öffentlich zugänglich im Rahmen des deutschen Urheberrechts.
Volltexte
Bank leverage, welfare, and regulation [0.97 mb]
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Zusammenfassung

We take issue with claims that the funding mix of banks, which makes them fragile and crisisprone, is efficient because it reflects special liquidity benefits of bank debt. Even aside from neglecting the systemic damage to the economy that banks' distress and default cause, such claims are invalid because banks have multiple small creditors and are unable to commit effectively to their overall funding mix and investment strategy ex ante. The resulting market outcomes under laissez-faire are inefficient and involve excessive borrowing, with default risks that jeopardize the purported liquidity benefits. Contrary to claims in the literature that "equity is expensive" and that regulation requiring more equity in the funding mix entails costs to society, such regulation actually helps create useful commitment for banks to avoid the inefficiently high borrowing that comes under laissez-faire. Effective regulation is beneficial even without considering systemic risk; if such regulation also reduces systemic risk, the benefits are even larger.