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Macroprudential Regulation in Dynamic Stochastic General Equilibrium Models

Macroprudenzielle Regulierung in dynamischen stochastischen allgemeinen Gleichgewichtsmodellen
Authors: Körner, Jenny;

Macroprudential Regulation in Dynamic Stochastic General Equilibrium Models

Abstract

In dieser Dissertation wird die Effizienz makroprudenzieller Regulierung für makroökonomische und Finanzmarktstabilität in einem neukeynesianischen dynamischen stochastischen allgemeinen Gleichgewichtsmodell mit Finanzmarktfriktionen analysiert. Dabei liegt der Fokus auf antizyklischer Regulierung der Verschuldungsquoten von Hypothekenschuldnern und Banken. Die Ergebnisse zeigen, dass die Optimalität dieser Regulierung mit dem anfänglichen Verschuldungsgrad der Kreditnehmer steigt. Im Vergleich mit einer dynamischen Verschuldungsquote für Banken mildert die antizyklische Verschuldungsquote bei Kreditnehmer effektiver Kreditzyklen ab. Zudem sorgt die Regulierung für makroökonomische Stabilität, wenn die Geldpolitik durch die Nullzinsgrenze von Nominalzinsen eingeschränkt ist. Diese Arbeit trägt zur Politikdebatte über eine optimale makroprudenzielle Regulierungsarchitektur bei.

This thesis studies the efficiency of macroprudential policies for financial and macroeconomic stabilization relying on a New Keynesian dynamic stochastic general equilibrium model with financial frictions. The focus is countercyclical regulation of loan-to-value ratios of mortgage borrowers and banks. The results show that the optimality of the regulation increases with the initial level of borrowers’ indebtedness. In comparison with the dynamic leverage ratio of banks, the countercyclical LTV ratio smooths more effectively credit cycles. Another outcome is that the countercyclical regulation stabilizes the macroeconomy when the monetary policy is constrained by the zero lower bound on nominal interest rates. This work contributes to the policy debate about the design of an optimal macroprudential policy framework.

Country
Germany
Related Organizations
Keywords

ddc:330, 330 Wirtschaft, Makroprudenzielle Regulierung, Verschuldungsquoten, DSGE Model, Kreditzyklen, Nullzinsgrenze, Macroprudential regulation, loan-to-value ratios, DSGE model, credit cycles, zero lower bound

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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