Input flexibility, as measured by the ability of firms to vary input demand in the face of changes in input prices, is an important dimension of labor market flexibility. Using a new dataset, the authors analyze the impact of unionization on input flexibility in U.S. manufacturing from 1973 to...

Do unions really impede manufacturers' output flexibility? If so, in what ways? The authors propose a methodology for quantifying George Stigler's concept of output flexibility, and for decomposing the effects of unionization on average cost differences between union and non-union plants. Using...