| Article ID: | iaor19931997 |
| Country: | Belgium |
| Volume: | 34 |
| Start Page Number: | 7 |
| End Page Number: | 23 |
| Publication Date: | Dec 1992 |
| Journal: | Cahiers du Centre d'tudes de Recherche Oprationnelle |
| Authors: | Crouzeix J.P., Kebbour R. |
| Keywords: | economics |
The convexity/concavity of a product of separable functions is analysed via the concept of convexity/concavity index of a function derived from the convexity index of Debreu-Koopmans and Crouzeix-Lindberg. Applications in economics and with potential functions for linear programming are given.