, the set of Walrasian payoff vectors of the induced coalition production economy coincides with the core of the balanced … restricted concept of a Walrasian equilibrium enables us to discuss which coalitions are formed in an equilibrium. If the …

: (i) only eight configurations are possible for the core, which contains at most six allocations; (ii) for each core …

core coincides with the set of cost-minimized Walras allocations. Because of the indivisibility, the preference …

. We prove that the strong core coincides with the set of cost-minimized Walras allocations which satisfy both the …

. Do pure indivisibilities prevent core equivalence? Core equivalence theorem in an atomless economy with purely … agents, the core coincides with the set of Walras allocations. We show that this equivalence holds only in an atomless … economy by giving two examples of the sequence of replica economies such that in any replica economy, there exists a core …

The seminal contribution of Debreu-Scarf (1963) connects the two concepts of core and competitive equilibrium in … exchange economies. In effect, their core-equilibrium equivalence result states that, when the set of economic agents is … replicated, the set of core allocations of the replica economy shrinks to the set of competitive allocations. Florenzano (1989 …

This paper provides a general overview of the literature on the core of an exchange economy with asymmetric information …. Incentive compatibility is emphasized in studying core concepts at the ex ante and interim stage. The analysis includes issues … of non-emptiness of the core as well as core convergence to price equilibrium allocations. …

information that coalitions can share. The coarse and fine core, as originally defined by Wilson (1978), correspond to two polar …An appropriate (interim) notion of the core for an economy with incomplete information depends on the amount of … cases, involving no information sharing and arbitrary information sharing, respectively. We propose a new core notion, the …

information that coalitions can share. The coarse and fine core, as originally defined by Wilson (1978), correspond to two polar …An appropriate (interim) notion of the core for an economy with incomplete information depends on the amount of … credible core, which incorporates incentive compatibility constraints, and is based on the idea that a coalition can coordinate …

A core allocation of a complete information economy can be characterized as one that would not be unanimously rejected … of such voting games, this approach makes it possible to derive core concepts in which the transmission of information … among members of a coalition is endogenous. Our results lend support to the credible core of Dutta and Vohra (2003) and the …