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...

Standard decision theory encodes preferences as a complete, transitivepreorder predefined in a set of alternatives.In this paper we consider changes in preferences in pure exchange economies.We will analyze the repercussions of these changes on the economic structure,particularly on the set of...

In this paper we model tourism in the framework of multi-population dynamics and analyze the time pattern of its development through the evolving interaction between two populations feeding on a common space-resource. Each population might be structured in two (or more) "clubs" of members...

In this article, we consider a neoclassical production economy in which, unlike the generally static classical approach, we assume that, in response to technological change, the productive sector modifies -evolves- over time. We will analyze how this change affects economic welfare. We will show...

In this short paper we analyze the impact of tourist demand in hotel rooms on the investment of hotels on environmental quality. In particular we show that when income of the tourists increases, then in order to maintain the demand for rooms, the hotels must increase the investment on the...