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Wage Differentials between Temporary and Permanent Workers in Italy

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  • Matteo PICCHIO

    () (Universita' Politecnica delle Marche, Dipartimento di Economia)

Abstract

The focus of this paper is to estimate the wage differentials between temporary and permanent workers using the 2002 wave of the Survey of Italian Households' Income and Wealth (SHIW) carried out by the Bank of Italy. A standard Mincer equation extended to a dummy variable for fied term contracts, interaction terms, and further explanatory variables will be estimated. Two hypothetical sources of misspecification may arise. Firstly, the potential endogeneity of the dummy variable for the contract type. Indeed, it seems plausible that those who end up in temporary jobs are not a random draw from the population and that this selection generates biased estimates. We will propose two methods to overcome the self-selectivity bias: the first one is an instrumental variables approach, the second one consists in the Heckman's (1978) dummy endogenous variable model estimator. The second possible source of misspecification is the "classical" Heckman's (1979) sample selection bias. We will present a procedure in order to test the presence of such a sample selection bias taking into account the endogeneity of the dummy variable for the contract type.

Suggested Citation

  • Matteo PICCHIO, 2006. "Wage Differentials between Temporary and Permanent Workers in Italy," Working Papers 257, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
  • Handle: RePEc:anc:wpaper:257
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    File URL: http://docs.dises.univpm.it/web/quaderni/pdf/257.pdf
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    References listed on IDEAS

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    1. Booth, Alison L. & Francesconi, Marco & Frank, Jeff, 2002. "Labour as a buffer: do temporary workers suffer?," ISER Working Paper Series 2002-29, Institute for Social and Economic Research.
    2. Riccardo Lucchetti & Stefano Staffolani & Alessandro Sterlacchini, 2004. "Computers, Wages and Working Hours in Italy," Giornale degli Economisti, GDE (Giornale degli Economisti e Annali di Economia), Bocconi University, vol. 63(3-4), pages 329-353, December.
    3. Alison L Booth & Juan J. Dolado & Jeff Frank, 2002. "Symposium On Temporary Work Introduction," Economic Journal, Royal Economic Society, vol. 112(480), pages 181-188, June.
    4. Guadalupe, Maria, 2003. "The hidden costs of fixed term contracts: the impact on work accidents," Labour Economics, Elsevier, vol. 10(3), pages 339-357, June.
    5. Alison L. Booth & Marco Francesconi & Jeff Frank, 2002. "Temporary Jobs: Stepping Stones Or Dead Ends?," Economic Journal, Royal Economic Society, vol. 112(480), pages 189-213, June.
    6. Jacob A. Mincer, 1974. "Schooling, Experience, and Earnings," NBER Books, National Bureau of Economic Research, Inc, number minc74-1.
    7. Jacob A. Mincer, 1974. "Introduction to "Schooling, Experience, and Earnings"," NBER Chapters,in: Schooling, Experience, and Earnings, pages 1-4 National Bureau of Economic Research, Inc.
    8. Gourieroux,Christian, 2000. "Econometrics of Qualitative Dependent Variables," Cambridge Books, Cambridge University Press, number 9780521331494.
    9. Gourieroux,Christian, 2000. "Econometrics of Qualitative Dependent Variables," Cambridge Books, Cambridge University Press, number 9780521589857.
    10. María A.Davia & Virginia Hernanz, 2004. "Temporary employment and segmentation in the Spanish labour market: An empirical analysis through the study of wage differentials," Spanish Economic Review, Springer;Spanish Economic Association, vol. 6(4), pages 291-318, December.
    11. Frank Dietrich & Hartmut Kliemt & Michael Imhoff, 2002. "Introduction," Homo Oeconomicus, Institute of SocioEconomics, vol. 19, pages 7-8.
    12. Juan F. Jimeno & Luis Toharia, 1993. "The effects of fixed-term employment on wages: theory and evidence from Spain," Investigaciones Economicas, Fundación SEPI, vol. 17(3), pages 475-494, September.
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    Citations

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    Cited by:

    1. Noe', Chiara, 2009. "Subject of degree and the gender wage gap: Evidence from Italy," MPRA Paper 47289, University Library of Munich, Germany.
    2. Raúl Ramos & Esteban Sanromá & Hipólito Simón, 2014. "Public-Private Sector Wage Differentials by Type of Contract: Evidence from Spain," Hacienda Pública Española, IEF, vol. 208(1), pages 107-141, March.
    3. Ugo FRATESI, 2010. "The National and International Effects;of Regional Policy Choices: Agglomeration Economies, Peripherality and Territorial Characteristics," Working Papers 344, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
    4. Tabasso, D, 2009. "Temporary Contracts and Monopsony Power in the UK Labour Market," Economics Discussion Papers 8938, University of Essex, Department of Economics.
    5. Bosio, Giulio, 2009. "Temporary employment and wage gap with permanent jobs: evidence from quantile regression," MPRA Paper 16055, University Library of Munich, Germany.
    6. Luca RICCETTI, 2010. "Minimum Tracking Error Volatility," Working Papers 340, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
    7. Alfred Kleinknecht, 2017. "Supply-side labour market reforms: a neglected cause of the productivity crisis," Working Papers 0027, ASTRIL - Associazione Studi e Ricerche Interdisciplinari sul Lavoro.
    8. Carmen Aina & Fernanda Mazzotta & Lavinia Parisi, 2010. "Do Flexible Employment Contracts Change Household Income Differences in Italy?," Working Papers 129, SEMEQ Department - Faculty of Economics - University of Eastern Piedmont.
    9. Fabio FIORILLO & Agnese SACCHI, 2010. "I Want to Free-ride. An Opportunistic View on Decentralization Versus Centralization Problem," Working Papers 346, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
    10. Patrizia Ordine & Giuseppe Rose, 2016. "Two-tier labor market reform and entry wage of protected workers: evidence from Italy," Empirical Economics, Springer, vol. 51(1), pages 339-362, August.
    11. Matteo PICCHIO, 2006. "Temporary Jobs and State Dependence in Italy," Working Papers 272, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.

    More about this item

    Keywords

    dummy endogenous variable; sample selection bias; single equation GMM; temporary employment; wage differentials;

    JEL classification:

    • C20 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - General
    • C30 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - General
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • M51 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Personnel Economics - - - Firm Employment Decisions; Promotions

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