Identifying Inflation's Grease and Sand Effects in the Labor Market
Inflation has been accused of causing distortionary price and wage fluctuations (sand) as well as lauded for facilitating adjustments to shocks when wages are rigid downwards (grease). This paper investigates whether these two effects can be distinguished from each other in a labor market by the following identification strategy: inflation-induced deviations among employers' mean wage changes represent unintended intramarket distortions (sand), while inflation-induced, inter-occupational wage changes reflect intended alignments with intermarket forces (grease). Using a unique 40-year panel of wage changes made by large mid-western employers, we find a wide variety of evidence to support the identification strategy. We also find some indications that occupational wages in large firms gained flexibility in the past four years. These results strongly support other findings that grease and sand effects exist, but also suggest that they offset each other in a welfare sense and in unemployment effects. Thus, at levels up to five percent, the net impact of inflation on unemployment is beneficial but statistically indistinguishable from zero. It turns detrimental after that. When positive, net benefits never exceed a tenth of gross benefits.
|Date of creation:||Jun 1997|
|Date of revision:|
|Publication status:||published as The Costs and Effects of Price Stability. Feldstein, Martin, ed., Chicago: The University of Chicago Press, 1999, pp.273-308.|
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