Hammond, Peter J.; Kane, P.; Wooders, Myrna Holtz - Cowles Foundation for Research in Economics, Yale University - 1985
the core, called the f-core, if it cannot be improved upon by any finite coalition. We show that in a private goods … economy with indivisibilities and without externalities, the f-core, the A-core (Aumann's core concept) and the Walrasian … allocations coincide. In the presence of widespread externalities, the f-core and the Walrasian allocations coincide but the …