This paper proposes two generalization of the core and evaluates them on experimental data of assignment games (workers …-cooperative games, and they prove to be both descriptive and predictive in the assignment games analyzed here. The "logit core" allows …

members of deviating coalitions move �first in choosing a coordinated strategy. We accordingly defi�ne what we call the phi-core …, and characterize the phi-core allocations of a cartel formation game and of a public goods economy. …

outside players play their best response noncooperatively, the core is nonempty in games with strategic complements. We apply …

varying capacities. Cooperative game approaches based on Shapley value and Nucleolus provide stable models for embedded cost …

costs, due to the emptiness of the core of the corresponding cooperative game [Aivazian and Callen (1981)]. We show that the … game. Hence, when there are three parties, the Coase Theorem fails if and only if the core of the corresponding three … costs which, when introduced into a frictionless bargaining situation, will cause an empty core to become non-empty. In …