Banker, Rajiv; Janakiraman, Surya; Natarajan, Ram - In: Journal of Productivity Analysis 17 (2002) 1, pp. 111-132
We consider situations where the a priori guidance provided by theoretical considerations indicates only that the function linking the endogenous and exogenous variables is monotone and concave (or convex). We present methods to evaluate the adequacy of a parametric functional form to represent...