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Endogenous separation, wage rigidity and the dynamics of unemployment

  • Tortorice, Daniel L.

Previous attempts to evaluate the Mortensen–Pissarides model rely on either endogenous separation or wage rigidity. In this paper I simulate a version of the Mortensen–Pissarides (MP) model with wage rigidity and endogenous separation. The model is then able to answer a key question in the literature: can wage rigidity and endogenous separation explain the joint dynamics of unemployment, vacancies and wages? I find that it can. The model generates sufficient volatility in unemployment, the separation rate and the finding rate, 75% of the observed volatility in vacancies, and 70% of the Beveridge curve (the negative correlation between unemployment and vacancies). More substantially, the model matches the volatility of the average wage and generates a response of new hires’ wages to productivity and unemployment consistent with key estimates in the literature. I then simulate the model while restricting the separation rate to be constant and show that the model predicts only 70% of the variance of unemployment. I conclude that finding rate fluctuations explain 70% of unemployment fluctuations halfway in between the most prominent estimates in the literature.

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Article provided by Elsevier in its journal Journal of Macroeconomics.

Volume (Year): 38 (2013)
Issue (Month): PB ()
Pages: 179-191

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Handle: RePEc:eee:jmacro:v:38:y:2013:i:pb:p:179-191
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/622617

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