The core is reformulated to incorporate the externality typical in strategic form games.  Any coalition of players may … committing to its action profile, the outsiders' reactions constitute a core solution among themselves.  A core solution is … an externality problem where pollution is the dominant action, the core is nonempty.  In any two-player strategic form …

. Based on a notion of stochastic blocking, we extend Anderson's (1978) core convergence theorem to production economies where …

concepts of the core such that a coalition's blocking plan is feasible only if it is not blocked by the outsiders with such … secession. Based on such notions, we prove core equivalence theorems in the replication framework. …

Applying auction theory to the toxic-asset rescue plan currently released by the United States Treasury Department …

A model of English auction that allows jump bidding is proposed. When two objects are sold separately via such English … function is superadditive. Consequently, the auction game overly concentrates the goods to a multi-item bidder and never overly …

The English auction is susceptible to tacit collusion when post-auction inter-bidder resale is allowed. We show this by … constructing equilibria where, with positive probability, one bidder wins the auction without any competition and divides the …