During the 1950s and 1960s, many economists were convinced that externalities were a cause of "market failures … economist, James Buchanan, who systematically tried to show that externalities should not be viewed as a problem for market … market mechanisms and private arrangements in presence of externalities. By adopting an historical perspective, we are able …

paid by the winner. We study the impact of these price-externalities on the first-price auction and the second … independently from the identity of the winner. We prove that the first-price auction is not affected by this kind of price-externalities … by the presence of such price-externalities. In any case, in comparison with the first-price auction, the second …

externalities. An organization is defined as a group of agents, together with a set of bilateral relations, formally, a connected … graph. Because of the presence of externalities, the profitability of coalitional threats to an organization depend on the … externalities, while the fully connected organization emerges under negative. This result is shown to hold independently of the …

In the absence of externalities, marginality is equivalent to an independence property that rests on Harsanyi … and independence for games with externalities. We measure a player‘s contribution in an embedded coalition by the change …. The introduced method also allows us to investigate egalitarian solutions and to reveal how accounting for externalities …