Journal of Econometrics 26 (1984) 295-321.

IMPOSING CURVATURE RESTRICTIONS ON FLEXIBLE FUNCTIONAL FORMS

A. Ronald GALLANT

North Carolina State University, Raleigh, NC 27650-5513, USA

Gene H. GOLUB

Stanford University, Stanford, CA 94305, USA

Received December 1982, final version received January 1984

A general computational method for estimating the parameters of a flexible functional form subject to convexity, quasi-convexity, concavity, or quasi-concavity at a point, at several points, or over a region, is set forth and illustrated with an example.