Cost-of-Living Clauses in Union Contracts: Determinants and Effects

Wallace E. Hendricks and Lawrence Kahn

ILR Review, 1983, vol. 36, issue 3, 447-460

Abstract: This study investigates, for the period 1969–81, the determinants of the incidence and strength of cost-of-living adjustment (COLA) clauses in U.S. manufacturing and the effect of those clauses on wage inflation. The sample includes approximately 5,570 union contracts in over 2,600 bargaining relationships. The authors find that both union bargaining power and inflation uncertainty positively affected the probability that a COLA clause was adopted as well as the strength of the clause adopted. Negatively influencing the incidence and strength of COLA clauses during the period studied were unanticipated changes in an industry's prices. The authors also find evidence that wage inflation was greater under contracts with uncapped COLAs than under all other contracts, a result that also was positively influenced by the amount of unanticipated inflation. From these results, the authors suggest a number of possible trends in the use and effects of COLA clauses.

Date: 1983
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Persistent link: https://EconPapers.repec.org/RePEc:sae:ilrrev:v:36:y:1983:i:3:p:447-460

DOI: 10.1177/001979398303600309

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