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Sticky Prices as Coordination Failure


  • Laurence Ball
  • David Romer


This paper shows that nominal price rigidity can arise from a failure to coordinate price changes. If a firm's desired price is increasing in others' prices, then the gains to the firm from adjusting its price after a nominal shock are greater if others adjust. This "strategic complementarity" in price adjustment can lead to multiple equilibria in the degree of nominal rigidity. Welfare may be much higher in the equilibria with less rigidity. In addition, with multiple equilibrium degrees of rigidity, the economy may have several short-run equilibria but a unique long-run equilibrium.

Suggested Citation

  • Laurence Ball & David Romer, 1987. "Sticky Prices as Coordination Failure," NBER Working Papers 2327, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:2327
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