Using two panels of U.S. manufacturing industries, this paper estimates capital adjustment costs from 1961 to 1996. I find that from 1974-83 adjustment costs rose sharply --they more that doubled from about 3% of output to around 7%. Moreover, this increase is specifically associated with a...

Diego Comin (2002, Review of Economic Dynamics 5 (2)), critiques my paper "Technology adoption costs and productivity growth: The transition to information technology" (2002, Review of Economic Dynamics 5 (2)), concluding that all of my major results are unfounded. I contend, to the contrary,...