This paper studies the impact of a correct valuation of the opportunity costs in individual decisions and social welfare applied to a tourism problem. Starting from the partial equilibrium model in Skak (2004), we show that the valuation of social welfare depends on the definition of individual...

One of the key elements in any standard economic growth theory is that population growth exponentially at a constant rate n gt; 0. This simple model can provide an adequate approximation to such growth only for the initial period because, growing exponentially, population approaches infinity...

We consider an extensive form game to analyze the interdependence between environmental protection of resources, the activities related with the tourism and the behavior of a local population. We answer two questions: 1) Suppose that the central planner invest in tourist activities, has he...

In this paper we show that in a pure exchange economy where social weights and total resources are fixed there is no possibility to improve the social welfare by means of efficient reallocations of the resources. However, if social weights are not fixed but can be selected from a particular set,...