externalities appear along the lifecycle. In a simple model, we show that it may be efficient to subsidize innovative firms in their … early stages or to protect mature firms from competition to appropriate these externalities. However, non …-benevolent politicians may not choose efficient policies. Real-world examples indicate that politicians tend to concentrate on externalities …

This paper views authority as the right to undertake decisions that impose externalities on other members of the …

Demange (1994, 2002), extend to partition function games with negative externalities. Under positive externalities, although …

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 …

effect of recombinant innovation of the two technologies. A mechanism of endogenous competition is described involving a … positive externality of increasing returns to investment which are counterbalanced by recombinant innovation. We determine … innovation. …