Nominal v. Real Wage Rigidities in New Keynesian Models with Hiring Costs
AbstractThe introduction of labor market frictions into the New Keynesian DSGE model solves some of the main drawbacks of the baseline framework. In this paper we show that this extended model, by assuming real wage rigidities, fails to replicate the correct wage dynamics and the observed negative conditional correlation between supply shocks and employment, known as â€œproductivity employment puzzleâ€. We then show that these empirical limitations can be overcome by a model incorporating nominal wage rigidities in addition to price rigidities and hiring costs. Adopting a Bayesian perspective, we estimate the dynamic properties of the model with real wage rigidities and confront them with those of the model with nominal wage rigidities, concluding that there is decisive evidence in favor of the latter.
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Bibliographic InfoPaper provided by University of Rome La Sapienza, Department of Public Economics in its series Working Papers with number 107.
Date of creation: Jan 2008
Date of revision:
New Keynesian DSGE model; hiring costs; real and nominal wage rigidities; productivity-employment puzzle; Bayesian estimation and model selection.;
Find related papers by JEL classification:
- E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution
- E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
- C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
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