, hence agreements must be stable against both types of deviations. The appropriate extension of the classical core concept …, the Sustainable Core, is defined for this new setup to test the stability of allocations in such a complex environment. A … achieved by choosing an element in the Sustainable Core. …

and Yang (2008) always finds a core allocation in finitely many iterations, thus resulting in a Pareto efficient outcome. …

assumption that an individual consumes at most one object. In this environment we analyze the core of the economy and … implicitly defined by a strategy-proof and Pareto efficient mechanism and show a core property for the mechanism …