Dhawan R and G Gerdes (1997). “Estimating Technological Change Using a Stochastic Frontier Production Function Framework: Evidence from U.S. Firm-Level Data.” JPA 8(4): 431-446.
Dhawan R and G Gerdes (1997). “Estimating Technological Change Using a Stochastic Frontier Production Function Framework: Evidence from U.S. Firm-Level Data.” JPA 8(4): 431-446.