We study the implications of microeconomic heterogeneity for aggregate technology, showing that the aggregate elasticity of substitution between capital and labor can be expressed as a simple function of plant level structural parameters and sufficient statistics for plant heterogeneity. This...

This paper presents a study of the bias of technical change for 20 industries of the Austrian manufacturing sector for the period 1978 to 1994 using empirical methods derived from both classical and neoclassical economics. Overall, the results suggest that the technical bias in Austrian...