VAN, Cuong LE; VALAKIS, Yiannis - Institut de Recherche Économique et Sociale (IRES), … - 2001
We prove existence of a competitive equilibrium in a version of a Ramsey (one sector) model in which agents are heterogeneous and gross investment is constrained to be non negative. We do so by converting the infinite-dimensional fixed point problem stated in terms of prices and commodities into...