Core and Equilibria of a Large Economy. (Psme-5)Can every allocation in the core of an economy be decentralized by a suitably chosen price system? Werner Hildenbrand shows that the answer is yes if the economy has many participating agents and if the influence of every individual agent on collective actions is negligible. To give a general and precise definition of economics with this property he considers both economies with a continuum of agents, and a sequence of economies with an increasing