2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214102In this paper we show that two seemingly unrelated problems in economics, the hypothesis of integrability and the hypothesis of additive separability are linked by the absence of curvature of connections on webs naturally associated with each problem.Differential GeometrySymplectic Geometry91B16;91B38Additive Separability, Optimization, and Trivial Webstext