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Labor Market Insurance Policies in the XXI Century

Author

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  • Tito Boeri

    (Bocconi University [Milan, Italy], CEPR - Center for Economic Policy Research, IZA - Forschungsinstitut zur Zukunft der Arbeit - Institute of Labor Economics, CEP - LSE - Centre for Economic Performance - LSE - London School of Economics and Political Science)

  • Pierre Cahuc

    (ECON - Département d'économie (Sciences Po) - Sciences Po - Sciences Po - CNRS - Centre National de la Recherche Scientifique, CEPR - Center for Economic Policy Research, IZA - Forschungsinstitut zur Zukunft der Arbeit - Institute of Labor Economics)

Abstract

The recovery from the Covid-19 crisis will force governments to accelerate transformation in their menu of labor market policy tools. The crisis was a stress test for unemployment insurance schemes as it involved a sudden and unexpected shutdown of a very large set of activities. This forced countries to introduce, often from scratch, income support schemes for workers under new forms of employment, and the self-employed. There was also a considerable expansion of short-time work schemes notably towards the small business. The challenge ahead of us is perhaps even harder as post-Covid19 labor markets are likely to be characterized by substantial labor reallocation. Major innovations in labor market policy are required to smooth consumption of workers involved in this reallocation. We survey the large body of research on schemes reducing the costs of reallocation complementary to unemployment insurance. Our attention is on short-time work (preventing layoffs by subsidizing hors reductions), partial unemployment insurance (enabling workers to combine unemployment benefits with low income jobs), and wage insurance (offering a temporary wage subsidy to workers changing jobs). The properties of these new schemes are first presented and compared to those of standard unemployment benefits. Next the main results of the empirical literature on the effects of wage insurance, partial unemployment insurance and short-time work are presented. A final section is devoted to discussing directions for further research.

Suggested Citation

  • Tito Boeri & Pierre Cahuc, 2022. "Labor Market Insurance Policies in the XXI Century," Post-Print hal-03878719, HAL.
  • Handle: RePEc:hal:journl:hal-03878719
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    1. Giulia Giupponi & Camille Landais & Alice Lapeyre, 2022. "Should We Insure Workers or Jobs during Recessions?," Journal of Economic Perspectives, American Economic Association, vol. 36(2), pages 29-54, Spring.
    2. Cahuc, Pierre & Kramarz, Francis & Nevoux, Sandra, 2021. "The Heterogeneous Impact of Short-Time Work: From Saved Jobs to Windfall Effects," CEPR Discussion Papers 16168, C.E.P.R. Discussion Papers.
    3. Lutz Bellmann & Hans-Dieter Gerner & Richard Upward, 2015. "The Response of German Establishments to the 2008–2009 Economic Crisis," Dynamic Modeling and Econometrics in Economics and Finance, in: Pasquale Commendatore & Saime Kayam & Ingrid Kubin (ed.), Complexity and Geographical Economics, edition 127, pages 165-207, Springer.
    4. McCall, Brian P, 1996. "Unemployment Insurance Rules, Joblessness, and Part-Time Work," Econometrica, Econometric Society, vol. 64(3), pages 647-682, May.
    5. Susanne Ek & Bertil Holmlund, 2015. "Part-time unemployment and optimal unemployment insurance," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 22(2), pages 201-223, April.
    6. repec:hal:spmain:info:hdl:2441/3eqvfrusqi97g9fr9cuc7t5gkd is not listed on IDEAS
    7. Xavier Giroud & Holger M. Mueller, 2017. "Firm Leverage, Consumer Demand, and Employment Losses during the Great Recession," Working Papers 17-01, Center for Economic Studies, U.S. Census Bureau.
    8. Chetty, Raj, 2006. "A general formula for the optimal level of social insurance," Journal of Public Economics, Elsevier, vol. 90(10-11), pages 1879-1901, November.
    9. Cahuc, Pierre & Nevoux, Sandra, 2017. "Inefficient Short-Time Work," IZA Discussion Papers 11010, Institute of Labor Economics (IZA).
    10. Michael Christl & Silvia Poli & Tine Hufkens & Andreas Peichl & Mattia Ricci, 2023. "The role of short-time work and discretionary policy measures in mitigating the effects of the COVID-19 crisis in Germany," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 30(4), pages 1107-1136, August.
    11. David S. Lee & Pauline Leung & Christopher J. O’Leary & Zhuan Pei & Simon Quach, 2021. "Are Sufficient Statistics Necessary? Nonparametric Measurement of Deadweight Loss from Unemployment Insurance," Journal of Labor Economics, University of Chicago Press, vol. 39(S2), pages 455-506.
    12. Burdett, Kenneth & Wright, Randall, 1989. "Unemployment Insurance and Short-Time Compensation: The Effects on Layoffs, Hours per Worker, and Wages," Journal of Political Economy, University of Chicago Press, vol. 97(6), pages 1479-1496, December.
    13. Henry S. Farber, 1999. "Alternative and Part-Time Employment Arrangements as a Response to Job Loss," NBER Working Papers 7002, National Bureau of Economic Research, Inc.
    14. Steiner, Viktor, 2017. "The labor market for older workers in Germany," Journal for Labour Market Research, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany], vol. 50(1), pages 1-14.
    15. Benghalem, Helène & Cahuc, Pierre & Villedieu, Pierre, 2021. "The Lock-in Effects of Part-Time Unemployment Benefits," IZA Discussion Papers 14189, Institute of Labor Economics (IZA).
    16. van Ours, Jan C., 2004. "The locking-in effect of subsidized jobs," Journal of Comparative Economics, Elsevier, vol. 32(1), pages 37-55, March.
    17. Xavier Giroud & Holger M. Mueller, 2017. "Firm Leverage, Consumer Demand, and Employment Losses During the Great Recession," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 132(1), pages 271-316.
    18. Florent Fremigacci & Antoine Terracol, 2013. "Subsidized temporary jobs: lock-in and stepping stone effects," Applied Economics, Taylor & Francis Journals, vol. 45(33), pages 4719-4732, November.
    19. Brey, Björn & Hertweck, Matthias S., 2020. "The Extension Of Short-Time Work Schemes During The Great Recession: A Story Of Success?," Macroeconomic Dynamics, Cambridge University Press, vol. 24(2), pages 360-402, March.
    20. Reamonn Lydon & Thomas Y. Mathä & Stephen Millard, 2019. "Short-time work in the Great Recession: firm-level evidence from 20 EU countries," IZA Journal of Labor Policy, Springer;Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA), vol. 8(1), pages 1-29, December.
    21. Calavrezo, Oana & Duhautois, Richard & Walkowiak, Emmanuelle, 2010. "Short-Time Compensation and Establishment Exit: An Empirical Analysis with French Data," IZA Discussion Papers 4989, Institute of Labor Economics (IZA).
    22. Balleer, Almut & Gehrke, Britta & Lechthaler, Wolfgang & Merkl, Christian, 2016. "Does short-time work save jobs? A business cycle analysis," European Economic Review, Elsevier, vol. 84(C), pages 99-122.
    23. Florent Fremigacci & Antoine Terracol, 2013. "Subsidized temporary jobs: lock-in and stepping stone effects," Post-Print hal-02879139, HAL.
    24. Kyyrä, Tomi, 2010. "Partial unemployment insurance benefits and the transition rate to regular work," European Economic Review, Elsevier, vol. 54(7), pages 911-930, October.
    25. Antoine Bertheau & Edoardo Maria Acabbi & Cristina Barceló & Andreas Gulyas & Stefano Lombardi & Raffaele Saggio, 2023. "The Unequal Consequences of Job Loss across Countries," American Economic Review: Insights, American Economic Association, vol. 5(3), pages 393-408, September.
    26. Giulia Giupponi & Camille Landais, 2023. "Subsidizing Labour Hoarding in Recessions: The Employment and Welfare Effects of Short-time Work," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 90(4), pages 1963-2005.
    27. Braun, Helge & Brügemann, Björn, 2014. "Welfare Effects of Short-Time Compensation," IZA Discussion Papers 8597, Institute of Labor Economics (IZA).
    28. Kyyrä, Tomi & Parrotta, Pierpaolo & Rosholm, Michael, 2013. "The effect of receiving supplementary UI benefits on unemployment duration," Labour Economics, Elsevier, vol. 21(C), pages 122-133.
    29. Susan N. Houseman & Arne L. Kalleberg & George A. Erickcek, 2003. "The Role of Temporary Agency Employment in Tight Labor Markets," ILR Review, Cornell University, ILR School, vol. 57(1), pages 105-127, October.
    30. Emmanuel Farhi, 2013. "Insurance and Taxation over the Life Cycle," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 80(2), pages 596-635.
    31. Caliendo, Marco & Künn, Steffen & Uhlendorff, Arne, 2016. "Earnings exemptions for unemployed workers: The relationship between marginal employment, unemployment duration and job quality," Labour Economics, Elsevier, vol. 42(C), pages 177-193.
    32. repec:hal:spmain:info:hdl:2441/602aa43c1m81vpubigl4eotn45 is not listed on IDEAS
    33. Alexandre Mas & Amanda Pallais, 2017. "Valuing Alternative Work Arrangements," American Economic Review, American Economic Association, vol. 107(12), pages 3722-3759, December.
    34. Hélène Benghalem & Pierre Cahuc & Pierre Villedieu, 2021. "The Lock-In Effects of Part-Time Unemployment Benefits," SciencePo Working papers hal-03389159, HAL.
    35. Acemoglu, Daron & Pischke, Jorn-Steffen, 1999. "Beyond Becker: Training in Imperfect Labour Markets," Economic Journal, Royal Economic Society, vol. 109(453), pages 112-142, February.
    36. Katharine G. Abraham & Susan N. Houseman, 2014. "Short-Time Compensation as a Tool to Mitigate Job Loss? Evidence on the U.S. Experience During the Recent Recession," Industrial Relations: A Journal of Economy and Society, Wiley Blackwell, vol. 53(4), pages 543-567, October.
    37. Bart Cockx & Christian Goebel & Stéphane Robin, 2013. "Can income support for part-time workers serve as a stepping-stone to regular jobs? An application to young long-term unemployed women," Empirical Economics, Springer, vol. 44(1), pages 189-229, February.
    38. Baily, Martin Neil, 1978. "Some aspects of optimal unemployment insurance," Journal of Public Economics, Elsevier, vol. 10(3), pages 379-402, December.
    39. Jose Maria Barrero & Nicholas Bloom & Steven J. Davis & Brent H. Meyer, 2021. "COVID-19 Is a Persistent Reallocation Shock," AEA Papers and Proceedings, American Economic Association, vol. 111, pages 287-291, May.
    40. Denis Fougère & Francis Kramarz & Julien Pouget, 2009. "Youth Unemployment and Crime in France," Journal of the European Economic Association, MIT Press, vol. 7(5), pages 909-938, September.
    41. Steven J. Davis & Till Von Wachter, 2011. "Recessions and the Costs of Job Loss," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 42(2 (Fall)), pages 1-72.
    42. Pierre Cahuc & Francis Kramarz & Sandra Nevoux, 2018. "When Short-Time Work Works," Working papers 692, Banque de France.
    43. Bruno Van der Linden, 2021. "Do in-work benefits work for low-skilled workers?," IZA World of Labor, Institute of Labor Economics (IZA), pages 246-246, June.
    44. repec:hal:wpspec:info:hdl:2441/3eqvfrusqi97g9fr9cuc7t5gkd is not listed on IDEAS
    45. Philip Oreopoulos & Marianne Page & Ann Huff Stevens, 2008. "The Intergenerational Effects of Worker Displacement," Journal of Labor Economics, University of Chicago Press, vol. 26(3), pages 455-483, July.
    46. Ann Huff Stevens & Sewin Chan, 1999. "Employment and Retirement Following a Late-Career Job Loss," American Economic Review, American Economic Association, vol. 89(2), pages 211-216, May.
    47. Neugart, Michael & Storrie, Donald, 2002. "Temporary work agencies and equilibrium unemployment," Working Papers in Economics 83, University of Gothenburg, Department of Economics.
    48. Daniel Sullivan & Till von Wachter, 2009. "Job Displacement and Mortality: An Analysis Using Administrative Data," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 124(3), pages 1265-1306.
    49. Anna Godøy & Knut Røed, 2016. "Unemployment Insurance and Underemployment," LABOUR, CEIS, vol. 30(2), pages 158-179, June.
    50. Cahuc, Pierre & Zylberberg, André, 2008. "Optimum income taxation and layoff taxes," Journal of Public Economics, Elsevier, vol. 92(10-11), pages 2003-2019, October.
    51. Bertheau, Antoine & Acabbi, Edoardo & Barcelo, Cristina & Gulyas, Andreas & Lombardi, Stefano & Saggio, Raffaele, 2022. "The Unequal Cost of Job Loss across Countries," IZA Discussion Papers 15033, Institute of Labor Economics (IZA).
    52. Alexander Hijzen & Sebastien Martin, 2013. "The role of short-time work schemes during the global financial crisis1 and early recovery: a cross-country analysis," IZA Journal of Labor Policy, Springer;Forschungsinstitut zur Zukunft der Arbeit GmbH (IZA), vol. 2(1), pages 1-31, December.
    53. Katharine G. Abraham & Susan N. Houseman, 1994. "Does Employment Protection Inhibit Labor Market Flexibility? Lessons from Germany, France, and Belgium," NBER Chapters, in: Social Protection versus Economic Flexibility: Is There a Trade-Off?, pages 59-94, National Bureau of Economic Research, Inc.
    54. Cahuc, Pierre & Carcillo, Stéphane, 2011. "Is Short-time Work a Good Method to Keep Unemployment Down?," CEPR Discussion Papers 8214, C.E.P.R. Discussion Papers.
    55. Nicolas Werquin, 2016. "Income taxation with frictional labor supply," 2016 Meeting Papers 603, Society for Economic Dynamics.
    56. Hélène Benghalem & Pierre Cahuc & Pierre Villedieu, 2021. "The Lock-In Effects of Part-Time Unemployment Benefits," SciencePo Working papers Main hal-03389159, HAL.
    57. Rafael Di Tella & Dani Rodrik, 2020. "Labour Market Shocks and the Demand for Trade Protection: Evidence from Online Surveys," The Economic Journal, Royal Economic Society, vol. 130(628), pages 1008-1030.
    58. Steiner, Viktor, 2017. "The labor market for older workers in Germany," Journal for Labour Market Research, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany], vol. 50(1), pages 1-14.
    59. Farber, Henry S, 1999. "Alternative and Part-Time Employment Arrangements as a Response to Job Loss," Journal of Labor Economics, University of Chicago Press, vol. 17(4), pages 142-169, October.
    60. Steiner, Viktor, 2017. "The labor market for older workers in Germany," Journal for Labour Market Research, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany], vol. 50(1), pages 1-14.
    61. Pierre Cahuc & Francis Kramarz & Sandra Nevoux, 2021. "The Heterogeneous Impact of Short-Time Work: From Saved Jobs to Windfall Effects," SciencePo Working papers hal-03602410, HAL.
    62. Viktor Steiner, 2017. "The labor market for older workers in Germany [Der Arbeitsmarkt für ältere Arbeitnehmer in Deutschland]," Journal for Labour Market Research, Springer;Institute for Employment Research/ Institut für Arbeitsmarkt- und Berufsforschung (IAB), vol. 50(1), pages 1-14, August.
    63. repec:hal:pseose:halshs-00969150 is not listed on IDEAS
    64. repec:hal:spmain:info:hdl:2441/2ju03cb3kc9a3986bsibii70hd is not listed on IDEAS
    65. Stephen A. Wandner, 2016. "Wage Insurance as a Policy Option in the United States," Upjohn Working Papers 16-250, W.E. Upjohn Institute for Employment Research.
    66. Hélène Benghalem & Pierre Cahuc & Pierre Villedieu, 2021. "The Lock-In Effects of Part-Time Unemployment Benefits," Working Papers hal-03389159, HAL.
    67. repec:hal:wpspec:info:hdl:2441/2ju03cb3kc9a3986bsibii70hd is not listed on IDEAS
    68. Landais, Camille & Giupponi, Giulia, 2018. "Subsidizing Labor Hoarding in Recessions: The Employment & Welfare Effects of Short Time Work," CEPR Discussion Papers 13310, C.E.P.R. Discussion Papers.
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    More about this item

    Keywords

    Partial unemployment insurance; Wage insurance; Short-time work; COVID-19;
    All these keywords.

    JEL classification:

    • H5 - Public Economics - - National Government Expenditures and Related Policies
    • J6 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers

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