The translog function and the substitution of equipment, structures, and labor in U.S. manufacturing 1929-68

The internal structure of functional relationships : separability, substitution, and aggregation

Berndt, Ernst R., (1973)

Testing for the existence of a consistent aggregate index of labor inputs

Berndt, Ernst R., (1974)

The translog function and the substitution of equipment, structures, and labor in U. S. manufacturing 1929-68

Berndt, Ernst R., (1973)