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Varying Biases in the Matching Estimates: Evidence from Two Randomized Job Search Training Experiments

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  • Hämäläinen, Kari
  • Uusitalo, Roope
  • Vuori Jukka

Abstract

We compare various matching estimators to the results of two randomized field experiments that evaluate employment effects of job search training programs. We find that commonly used non-experimental matching estimators tend to over-estimate the program effects and that the bias differs between programs owing to different procedures used in selecting the program participants. The bias is larger when participation is voluntary than when caseworkers assign the applicants to training. JEL codes: C93

Suggested Citation

  • Hämäläinen, Kari & Uusitalo, Roope & Vuori Jukka, 2008. "Varying Biases in the Matching Estimates: Evidence from Two Randomized Job Search Training Experiments," Discussion Papers 438, Government Institute for Economic Research Finland (VATT).
  • Handle: RePEc:fer:dpaper:438
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    File URL: https://www.doria.fi/handle/10024/148425
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    References listed on IDEAS

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    1. LaLonde, Robert J, 1986. "Evaluating the Econometric Evaluations of Training Programs with Experimental Data," American Economic Review, American Economic Association, vol. 76(4), pages 604-620, September.
    2. Peter Dolton & Donal O'Neill, 2002. "The Long-Run Effects of Unemployment Monitoring and Work-Search Programs: Experimental Evidence from the United Kingdom," Journal of Labor Economics, University of Chicago Press, vol. 20(2), pages 381-403, Part.
    3. V. Joseph Hotz & Guido W. Imbens & Jacob A. Klerman, 2006. "Evaluating the Differential Effects of Alternative Welfare-to-Work Training Components: A Reanalysis of the California GAIN Program," Journal of Labor Economics, University of Chicago Press, vol. 24(3), pages 521-566, July.
    4. Alberto Abadie & David Drukker & Jane Leber Herr & Guido W. Imbens, 2004. "Implementing matching estimators for average treatment effects in Stata," Stata Journal, StataCorp LP, vol. 4(3), pages 290-311, September.
    5. Richard Blundell & Monica Costa Dias & Costas Meghir & John Van Reenen, 2004. "Evaluating the Employment Impact of a Mandatory Job Search Program," Journal of the European Economic Association, MIT Press, vol. 2(4), pages 569-606, June.
    6. Roberto Agodini & Mark Dynarski, 2004. "Are Experiments the Only Option? A Look at Dropout Prevention Programs," The Review of Economics and Statistics, MIT Press, vol. 86(1), pages 180-194, February.
    7. Charles Michalopoulos & Howard S. Bloom & Carolyn J. Hill, 2004. "Can Propensity-Score Methods Match the Findings from a Random Assignment Evaluation of Mandatory Welfare-to-Work Programs?," The Review of Economics and Statistics, MIT Press, vol. 86(1), pages 156-179, February.
    8. Edwin Leuven & Barbara Sianesi, 2003. "PSMATCH2: Stata module to perform full Mahalanobis and propensity score matching, common support graphing, and covariate imbalance testing," Statistical Software Components S432001, Boston College Department of Economics, revised 01 Feb 2018.
    9. Gerard van den Berg & Bas van der Klaauw, 2000. "Counseling and Monitoring of Unemployed Workers: Theory and Evidence from a Social Experiment," Econometric Society World Congress 2000 Contributed Papers 0972, Econometric Society.
    10. James Heckman & Hidehiko Ichimura & Jeffrey Smith & Petra Todd, 1998. "Characterizing Selection Bias Using Experimental Data," Econometrica, Econometric Society, vol. 66(5), pages 1017-1098, September.
    11. Alberto Abadie & Guido W. Imbens, 2006. "Large Sample Properties of Matching Estimators for Average Treatment Effects," Econometrica, Econometric Society, vol. 74(1), pages 235-267, January.
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    Cited by:

    1. Rosangela Bando & Xia Li, 2014. "The Effect of In-Service Teacher Training on Student Learning of English as a Second Language," IDB Publications (Working Papers) 6596, Inter-American Development Bank.
    2. Rosangela Bando & Xia Li, 2014. "The Effect of In-Service Teacher Training on Student Learning of English as a Second Language," IDB Publications (Working Papers) 86173, Inter-American Development Bank.

    More about this item

    Keywords

    Job search training; field experiments; matching; unemployment; Labour market; Työmarkkinat; Labor market and policies promoting economic growth; Työmarkkinat ja kasvua tukeva politiikka;

    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments

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