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Cost-of-Living Adjustment Clauses in Union Contracts

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  • Ronald G. Ehrenberg
  • Leif Danziger
  • Gee San

Abstract

Our paper seeks to provide an explanation for why the prevalence of COLA provisions and their characteristics vary widely across U.S. industries. We develop models of optimal risk sharing between a firm and union that allows us to investigate the determinants of a number of characteristics of union contracts. These include the presence of wage indexation, the degree of wage indexation if it exists, the magnitude of deferred noncontingent (on the price level) wage increases, the duration of labor contracts and the trade-off between temporary layoffs and wage indexation. Preliminary empirical tests of some of the implications of the model are conducted using industry data on both the prevalence of COLA provisions and layoff rates, and using contract level data on the characteristics of COLA provisions and contract duration. One key finding is that the level of unemployment insurance benefits appears to simultaneously influence the level of layoffs and the extent of COLA coverage.

Suggested Citation

  • Ronald G. Ehrenberg & Leif Danziger & Gee San, 1982. "Cost-of-Living Adjustment Clauses in Union Contracts," NBER Working Papers 0998, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:0998
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    References listed on IDEAS

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    Cited by:

    1. Christofides, Louis N. & Peng, Chen, 2006. "Contract duration and indexation in a period of real and nominal uncertainty," Labour Economics, Elsevier, vol. 13(1), pages 61-86, February.
    2. Hofmann, Boris & Peersman, Gert & Straub, Roland, 2012. "Time variation in U.S. wage dynamics," Journal of Monetary Economics, Elsevier, vol. 59(8), pages 769-783.
    3. Louis N. Christofides & Thanasis Stengos, 2003. "Wage Rigidity in Canadian Collective Bargaining Agreements," ILR Review, Cornell University, ILR School, vol. 56(3), pages 429-448, April.
    4. Robert Rich & Joseph Tracy, 2004. "Uncertainty and Labor Contract Durations," The Review of Economics and Statistics, MIT Press, vol. 86(1), pages 270-287, February.
    5. Louis Christofides & Amy Chen Peng, 2007. "Real Wage Chronologies," CESifo Working Paper Series 2096, CESifo.
    6. Danziger, Leif, 2008. "Extension of labor contracts and optimal backpay," Labour Economics, Elsevier, vol. 15(1), pages 18-36, February.
    7. Amy Peng & Louis N. Christofides, 2009. "Real Wage Chronology," Working Papers 011, Ryerson University, Department of Economics.
    8. Danziger, Leif, 2010. "Uniform and nonuniform staggering of wage contracts," Labour Economics, Elsevier, vol. 17(6), pages 1038-1049, December.
    9. Ronald G. Ehrenberg & George T. Milkovich, 1987. "Compensation and Firm Performance," NBER Working Papers 2145, National Bureau of Economic Research, Inc.
    10. George A. Akerlof, 2007. "The Missing Motivation in Macroeconomics," American Economic Review, American Economic Association, vol. 97(1), pages 5-36, March.
    11. Louis N. Christofides & Man Tuen Leung, 2002. "Nominal Wage Rigidity in Contract Data: A Parametric Approach," University of Cyprus Working Papers in Economics 0210, University of Cyprus Department of Economics.
    12. Louis Christofides & Thanasis Stengos, 2001. "Nominal Wage Rigidity: Non-Parametric Tests Based on Union Data for Canada," CESifo Working Paper Series 535, CESifo.
    13. Louis Christofides & Chen Peng, 2006. "Major Provisions of Labour Contracts and their Theoretical Coherence," CESifo Working Paper Series 1700, CESifo.
    14. Joseph S. Tracy, 1986. "Seniority Rules and the Gains from Union Organization," NBER Working Papers 2039, National Bureau of Economic Research, Inc.

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