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Fluctuations in a Dual Labor Market

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  • Normann Rion

    (PSE - Paris School of Economics - ENPC - École des Ponts ParisTech - ENS Paris - École normale supérieure - Paris - PSL - Université Paris sciences et lettres - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique - EHESS - École des hautes études en sciences sociales - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, PJSE - Paris Jourdan Sciences Economiques - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS Paris - École normale supérieure - Paris - PSL - Université Paris sciences et lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

I build a New-Keynesian dynamic stochastic general-equilibrium model with a dual labor market. Firms and workers meet through a matching technology à-la Diamond-Mortensen-Pissarides and face a trade-off between productivity and flexibility at the hiring stage. All else equal, open-ended contracts are more productive than fixed-term contracts, but they embed a firing cost. The share of fixed-term contracts in job creation fluctuates endogenously, which enables to assess the resort to temporary contracts along the cycle and its response to different shocks. I estimate the model using a first-order perturbation method and classic Bayesian procedures with macroeconomic data from the Euro area. I find that the share of fixed-term contracts in job creation is counter-cyclical. The agents react to shocks essentially through the job creation margin and the contractual composition of the hires. Moreover, a general-equilibrium effect arises ; the substitution between fixed-term and open-ended contracts at the hiring stage influences the job seekers' stock, which in turn impacts job creation. Using my previous estimates and solving the model with a third-order perturbation method, I find that fixed-term employment reacts to negative aggregate demand shocks and uncertainty shocks oppositely. This result suggests that fixed-term employment could be used to identify uncertainty shocks in future research. As for inflation, changes in firing costs do not alter its dynamics as long as open-ended and fixed-term matches do not differ much in productivity all else equal.

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  • Normann Rion, 2020. "Fluctuations in a Dual Labor Market," Working Papers halshs-02570540, HAL.
  • Handle: RePEc:hal:wpaper:halshs-02570540
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    Cited by:

    1. Normann Rion, 2019. "Waiting for the Prince Charming: Fixed-Term Contracts as Stopgaps," Working Papers halshs-02331887, HAL.
    2. Normann Rion, 2021. "Job creation in a dual labor market: a constructivist approach," Working Papers hal-03125344, HAL.

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    Keywords

    Fixed-term contracts; Employment protection; New Keynesian model; Inflation dynamics; Uncertainty;
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