Laurits R. Christensen

Testing for the Existence of a Consistent Aggregate Index of Labor Inputs, (2005)

Berndt,Ernst R., Christensen,Laurits R.

The purpose of the report is to estimate a production function for U. S. manufacturing with the labor input disaggregated into production and nonproduction workers, and then to test whether a...

The Internal Structure of Functional Relationships: Separability, Substitution, and Aggregation, (1998)

Berndt,Ernst R., Christensen,Laurits R.

The purpose of the report is to integrate the discussions on functional separability and substitution properties. In the context of production theory, the authors state and prove theorems which...

The Translog Production Function and Factor Substitution in U.S. Manufacturing 1929-1968, (1998)

Berndt,Ernst R., Christensen,Laurits R.

The paper contains an empirical application of the translog production function proposed by Christensen, Jorgenson, and Lau. The application is a study of substitution possibilities among equipment,...

Productivity in U.S. Railroads, 1951-1974

Douglas W. Caves, Laurits R. Christensen, Joseph A. Swanson

This paper develops estimates of U.S. railroad productivity by using methods based on the neoclassical theory of production. We find that railroad productivity grew at the average annual rate of 1.5...

The Neoclassical Model of Consumer Demand with Identically Priced Commodities: An Application to Time-of-Use Electricity Pricing

Douglas W. Caves, Laurits R. Christensen, Joseph A. Herriges

Hick's theorem permits aggregation of commodities when their relative prices are fixed, but, contrary to a widely expressed view, it does not require that they be aggregated. Even where commodities...

Economies of Density versus Economies of Scale: Why Trunk and Local Service Airline Costs Differ

Douglas W. Caves, Laurits R. Christensen, Michael W. Tretheway

There has been a perception that U.S. trunk airlines had an inherent cost advantage over smaller regional airlines because of economies of scale. We have formulated a general model of airline costs,...