Zhu S, PN Ellinger and CR Shumway (1995). “The Choice of Functional Form and Estimation of Banking Inefficiency.” Appl Econ Letters 2(10): 375-379.
Zhu S, PN Ellinger and CR Shumway (1995). “The Choice of Functional Form and Estimation of Banking Inefficiency.” Appl Econ Letters 2(10): 375-379.