25 Jahre IWH

Professor Dr. Mathias Trabandt

Professor Dr. Mathias Trabandt
Aktuelle Position

seit 4/17

Research Fellow der Abteilung Makroökonomik

Leibniz-Institut für Wirtschaftsforschung Halle (IWH)

seit 8/15

Professor für Makroökonomie

Freie Universität Berlin


  • angewandte Ökonometrie
  • Arbeitsmarktökonomik
  • internationale Makroökonomik

Mathias Trabandt ist seit April 2017 Research Fellow am IWH. Seine Forschungsschwerpunkte umfassen Makroökonomie, Monetäre Ökonomie, Finanzwissenschaft, Arbeitsmarkttheorie, Internationale Makroökonomik, Friktionen im Finanzmarkt und angewandte Ökonometrie.

Mathias Trabandt ist seit August 2015 Professor für Makroökonomie im Fachbereich Wirtschaftswissenschaften an der Freien Universität Berlin. Zuvor war er Leiter der “Global Modeling Studies Section” der International Finance Division des Federal Reserve Board of Governors in Washington D.C. Frühere Stationen seiner beruflichen Laufbahn waren die Europäische Zentralbank und die Deutsche Bundesbank in Frankfurt sowie die Sveriges Riksbank in Stockholm. Er promovierte an der Humboldt-Universität zu Berlin.

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Professor Dr. Mathias Trabandt
Professor Dr. Mathias Trabandt
Mitglied - Abteilung Makroökonomik
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The Laffer curve revisited

Mathias Trabandt Harald Uhlig

in: Journal of Monetary Economics , im Erscheinen


Laffer curves for the US, the EU-14 and individual European countries are compared, using a neoclassical growth model featuring “constant Frisch elasticity” (CFE) preferences. New tax rate data is provided. The US can maximally increase tax revenues by 30% with labor taxes and 6% with capital taxes. We obtain 8% and 1% for the EU-14. There, 54% of a labor tax cut and 79% of a capital tax cut are self-financing. The consumption tax Laffer curve does not peak. Endogenous growth and human capital accumulation affect the results quantitatively. Household heterogeneity may not be important, while transition matters greatly.

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Unemployment and Business Cycles

Mathias Trabandt Lawrence J. Christiano Martin S. Eichenbaum

in: Econometrica , im Erscheinen


We develop and estimate a general equilibrium search and matching model that accounts for key business cycle properties of macroeconomic aggregates, including labor market variables. In sharp contrast to leading New Keynesian models, we do not impose wage inertia. Instead we derive wage inertia from our specification of how firms and workers negotiate wages. Our model outperforms a variant of the standard New Keynesian Calvo sticky wage model. According to our estimated model, there is a critical interaction between the degree of price stickiness, monetary policy, and the duration of an increase in unemployment benefits.

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Effects of Fiscal Stimulus in Structural Models

Mathias Trabandt Günter Coenen Christopher J. Erceg Charles Freedman Davide Furceri Michael Kumhof René Lalonde Douglas Laxton Jasper Lindé Annabelle Mourougane Dirk Muir Susanna Mursula Carlos de Resende John Roberts Werner Roeger Stephen Snudden Jan in't Veld

in: American Economic Journal: Macroeconomics , Nr. 1, 2012


The paper subjects seven structural DSGE models, all used heavily by policymaking institutions, to discretionary fiscal stimulus shocks using seven different fiscal instruments, and compares the results to those of two prominent academic DSGE models. There is considerable agreement across models on both the absolute and relative sizes of different types of fiscal multipliers. The size of many multipliers is large, particularly for spending and targeted transfers. Fiscal policy is most effective if it has moderate persistence and if monetary policy is accommodative. Permanently higher spending or deficits imply significantly lower initial multipliers.

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