On measuring economic efficiency
经济效率的测量
Abstract This paper considers a system consisting of a production frontier and factor share equations to measure firm‐specific technical efficiency and input‐specific allocative efficiency simulataneously. In estimating the system as a whole, the joint distribution of all errors in the equations is used. This is more efficient than using the marginal distribution of a function of the errors as one does by estimating either the profit function of the production function…