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Non-stationary job search when jobs are not forever: A structural estimation


  • J. Ignacio García Pérez


This paper considers a job search model where the environment is not stationary along the unemployment spell and where jobs do not last forever. Under this circumstance, reservation wages can be lower than without separations, as in a stationary environment, but they can also be initially higher because of the non-stationarity of the model. Moreover, the time-dependence of reservation wages is stronger than with no separations. The model is estimated structurally using Spanish data for the period 1985-1996. The main finding is that, although the decrease in reservation wages is the main determinant of the change in the exit rate from unemployment for the first four months, later on the only effect comes from the job offer arrival rate, given that acceptance probabilities are roughly equal to one.

Suggested Citation

  • J. Ignacio García Pérez, 2001. "Non-stationary job search when jobs are not forever: A structural estimation," Economics Working Papers 556, Department of Economics and Business, Universitat Pompeu Fabra.
  • Handle: RePEc:upf:upfgen:556

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    References listed on IDEAS

    1. Heckman, James & Singer, Burton, 1984. "A Method for Minimizing the Impact of Distributional Assumptions in Econometric Models for Duration Data," Econometrica, Econometric Society, vol. 52(2), pages 271-320, March.
    2. Meyer, Bruce D, 1990. "Unemployment Insurance and Unemployment Spells," Econometrica, Econometric Society, vol. 58(4), pages 757-782, July.
    3. Devine, Theresa J. & Kiefer, Nicolas M., 1991. "Empirical Labor Economics: The Search Approach," OUP Catalogue, Oxford University Press, number 9780195059366.
    4. Jenkins, Stephen P, 1995. "Easy Estimation Methods for Discrete-Time Duration Models," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 57(1), pages 129-138, February.
    5. Lancaster, Tony & Chesher, Andrew, 1983. "An Econometric Analysis of Reservation Wages," Econometrica, Econometric Society, vol. 51(6), pages 1661-1676, November.
    6. Miller, Robert A, 1984. "Job Matching and Occupational Choice," Journal of Political Economy, University of Chicago Press, vol. 92(6), pages 1086-1120, December.
    7. Gerard J. van den Berg, 1990. "Nonstationarity in Job Search Theory," Review of Economic Studies, Oxford University Press, vol. 57(2), pages 255-277.
    8. Baker, Michael & Melino, Angelo, 2000. "Duration dependence and nonparametric heterogeneity: A Monte Carlo study," Journal of Econometrics, Elsevier, vol. 96(2), pages 357-393, June.
    9. Olympia Bover & Manuel Arellano & Samuel Bentolila, 2002. "Unemployment Duration, Benefit Duration and the Business Cycle," Economic Journal, Royal Economic Society, vol. 112(479), pages 223-265, April.
    10. Narendranathan, W & Stewart, Mark B, 1993. "How Does the Benefit Effect Vary as Unemployment Spells Lengthen?," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 8(4), pages 361-381, Oct.-Dec..
    11. Flinn, C. & Heckman, J., 1982. "New methods for analyzing structural models of labor force dynamics," Journal of Econometrics, Elsevier, vol. 18(1), pages 115-168, January.
    12. Chris Elbers & Geert Ridder, 1982. "True and Spurious Duration Dependence: The Identifiability of the Proportional Hazard Model," Review of Economic Studies, Oxford University Press, vol. 49(3), pages 403-409.
    13. Narendranathan, Wiji & Nickell, Stephen, 1985. "Modelling the process of job search," Journal of Econometrics, Elsevier, vol. 28(1), pages 29-49, April.
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    Cited by:

    1. Carrasco, Raquel & García Pérez, J. Ignacio, 2008. "Unemployment duration among immigrants and natives: unobserved heterogeneity in a multi-spell duration model," UC3M Working papers. Economics we086933, Universidad Carlos III de Madrid. Departamento de Economía.
    2. García-Pérez, J. Ignacio & Muñoz-Bullón, Fernando, 2003. "The nineties in Spain: too much flexibility in the youth labour market?," DEE - Working Papers. Business Economics. WB wb030302, Universidad Carlos III de Madrid. Departamento de Economía de la Empresa.
    3. J. García-Pérez & Fernando Muñoz-Bullón, 2004. "Are Temporary Help Agencies changing mobility patterns in the Spanish labour market?," Spanish Economic Review, Springer;Spanish Economic Association, vol. 7(1), pages 43-65, January.
    4. José Ignacio García Pérez & Fernando Múñoz Bullón, 2001. "The Nineties in Spain: so much Flexibility in the Labor Market?," Economic Working Papers at Centro de Estudios Andaluces E2001/01, Centro de Estudios Andaluces.
    5. Lollivier, Stefan & Rioux, Laurence, 2005. "A Structural Non-Stationary Model of Job Search: Stigmatization of the Unemployed by Job Offers or Wage Offers?," CEPR Discussion Papers 5108, C.E.P.R. Discussion Papers.

    More about this item


    Job search; nonstationarity; unemployment; separation probability; structural estimation;

    JEL classification:

    • C41 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Duration Analysis; Optimal Timing Strategies
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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