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Selektionsverzerrungen, erfragte Reservationslöhne und Arbeitslosigkeitsdauer

  • Björn Christensen
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    Der vorliegende Beitrag untersucht den Einfluss erfragter Reservationslöhne zu Anfang der Arbeitslosigkeit auf die Gesamtdauer bis zu einem Übergang in eine Erwerbstätigkeit auf Basis des GSOEP (2000) für Westdeutschland. Dabei findet die Selektivität im Vorliegen von Reservationslohnbeobachtungen, die aufgrund der nur einmal im Jahr stattfindenden Befragung im GSOEP entsteht, durch eine Heckman-Korrektur Eingang in das Modell und die Möglichkeit zensierter Spells wird über einen Hazardrate-Ansatz mit semiparametrischer unbeobachteter Heterogenitätsschätzung berücksichtigt. Die Ergebnisse zeigen, dass erst bei Verwendung der Selektivitätskorrektur der nach der Theorie erwartete positive Effekt des Reservationslohns auf die Arbeitslosigkeitsdauer zu beobachten ist, wobei er dann auch in erheblicher Höhe vorliegt. This paper deals with the influence of reported reservation wages at the begin-ning of an unemployment spell on the overall duration until a new job based of the GSOEP (2000) for Western Germany. The selectivity in the reservation wage observations due to only one interview per year in the GSOEP is included in the model by Heckman-correction, and the possibility of censored spells is observed by a Hazard-rate analysis with semiparametric unobserved heterogeneity. The results show that only by correction for the selectivity bias can the theoretically expected positive effect of reservation wages on the unemployment duration be found, whereby it then occurs at a considerable level.

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    Paper provided by Kiel Institute for the World Economy in its series Kiel Working Papers with number 1162.

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    Length: 49 pages
    Date of creation: Apr 2003
    Date of revision:
    Handle: RePEc:kie:kieliw:1162
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    1. Groot, Wim, 1990. "Further evidence on the job search theory," Economics Letters, Elsevier, vol. 34(4), pages 387-391, December.
    2. Alexandra Heath & Troy Swann, 1999. "Reservation Wages and the Duration of Unemployment," RBA Research Discussion Papers rdp1999-02, Reserve Bank of Australia.
    3. Kiefer, Nicholas M, 1988. "Economic Duration Data and Hazard Functions," Journal of Economic Literature, American Economic Association, vol. 26(2), pages 646-79, June.
    4. Nawata, Kazumitsu, 1994. "Estimation of sample selection bias models by the maximum likelihood estimator and Heckman's two-step estimator," Economics Letters, Elsevier, vol. 45(1), pages 33-40, May.
    5. John M. Barron & Wesley Mellow, 1981. "Changes in Labor Force Status among the Unemployed," Journal of Human Resources, University of Wisconsin Press, vol. 16(3), pages 427-441.
    6. Michael Lechner, 2000. "An Evaluation of Public-Sector-Sponsored Continuous Vocational Training Programs in East Germany," Journal of Human Resources, University of Wisconsin Press, vol. 35(2), pages 347-375.
    7. Lancaster, Tony, 1985. "Simultaneous equations models in applied search theory," Journal of Econometrics, Elsevier, vol. 28(1), pages 113-126, April.
    8. Klodt, Henning & Maurer, Rainer & Schimmelpfennig, Axel, 1997. "Tertiarisierung in der deutschen Wirtschaft," Open Access Publications from Kiel Institute for the World Economy 959, Kiel Institute for the World Economy (IfW).
    9. Enswar Prasad, 2001. "The Dynamics of Reservation Wages: Preliminary Evidence from the GSOEP," Vierteljahrshefte zur Wirtschaftsforschung / Quarterly Journal of Economic Research, DIW Berlin, German Institute for Economic Research, vol. 70(1), pages 44-50.
    10. Stephen R. G. Jones, 1988. "The Relationship Between Unemployment Spells and Reservation Wages as a Test of Search Theory," The Quarterly Journal of Economics, Oxford University Press, vol. 103(4), pages 741-765.
    11. repec:zbw:iwhwiw:11-00-3 is not listed on IDEAS
    12. Hujer, Reinhard & Schneider, Hilmar, 1989. "The analysis of labor market mobility using panel data," European Economic Review, Elsevier, vol. 33(2-3), pages 530-536, March.
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