This article explores the relationship between capital composition and productivity using a unique, detailed dataset on firm investment in the United States in the late 1990s. I develop a methodology for estimating the separate effects of multiple capital types in a production function...

Parameters of taste and technology are central to a wide variety of economic models and issues. This article proposes a simple method for estimating production function parameters from panel data, with a particular focus on the elasticity of substitution between capital and labor. Elasticity...