Prucha, Ingmar R. - Fachbereich Wirtschaftswissenschaften, Universität Konstanz - 1996
Many important economic problems require measures of physical and R&D capital. Except for some recent studies, there … physical and R&D capital. One reason for the relative paucity of such econometric studies may be that if the depreciation rates … are viewed as unknown parameters, or as a functions of unknown parameters, then the corresponding stocks of physical and R&D …