Tourism and environmental preservation are often conflicting activities, mainly in areas such as coastal lagoons, where … seaside mass-tourism comes into contact with a very sensitive ecological system. In this paper we deal with a classical … problem of both environmental and tourism economics, the internalization of environmental costs of tourism, focusing on the …

. However, in this context and when all the costs of tourism development are externalities the only limit to tourism …In a two sectors dynamic model we analyze the process of tourism development based on the accumulation of capital … (building of tourism facilities) and the reallocation of land from traditional activities to the tourism sector. The model …

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 …