BerndtE. R., and ChristensenL. R.1973. The translog function and the substitution of equipment, structures, and labor in U.S. manufacturing 1929–68. Journal of Econometrics1: 81–113.
2.
DiewertW. E., and WalesT. J.1987. Flexible functional forms and global curvature conditions. Econometrica55: 43–68.
McFaddenD.1978. Part Cost, revenue, and profit functions. In Contributions to Economic Analysis, ed. TinbergenJ., JorgensonD. W., and WaelbroeckJ.Amsterdam: North-Holland.
5.
RyanD. L., and WalesT. J.2000. Imposing local concavity in the translog and generalized Leontief cost functions. Economics Letters67: 253–260.
