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FiMod - a DSGE model for fiscal policy simulations

  • Nikolai Stähler


    (Deutsche Bundesbank)

  • Carlos Thomas


    (Banco de España)

This paper develops a medium-scale dynamic, stochastic, general equilibrium (DSGE) model for fiscal policy simulations. Relative to existing models of this type, our model incorporates two important features. First, we consider a two-country monetary union structure, which makes it well suited to simulate fiscal measures by relatively large countries in a currency area. Second, we provide a notable degree of disaggregation on the government expenditures side, by explicitly distinguishing between (productivity-enhancing) public investment, public purchases and the public sector wage bill. In addition, we consider a labor market characterized by search and matching frictions, which allows to analyze the response of equilibrium unemployment to fiscal measures. In order to illustrate some of its applications, and motivated by recent policy debate in the Euro Area, we calibrate the model to Spain and the rest of the area and simulate a number of fiscal consolidation scenarios. We find that, in terms of output and employment losses, fiscal consolidation is the least damaging when achieved by reducing the public sector wage bill, whereas it is most damaging when carried out by cutting public investment.

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Paper provided by Banco de Espa�a in its series Banco de Espa�a Working Papers with number 1110.

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Length: 53 pages
Date of creation: May 2011
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Handle: RePEc:bde:wpaper:1110
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