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Variable Cost Functions and the Rate of Return to Quasi-Fixed Factors: An Application to R&D in the Bell System
Nadiri, M. Ishaq, (1980)
The Structure of Production, Technological Change and the Rate of Growth of Total Factor Productivity in the Bell System
Nadiri, M. Ishaq, (1979)
A test of static equilibrium models and rates of return to quasi-fixed factors, with an application to the Bell System
Schankerman, Mark, (1986)