Este documento estudia la integración espacial del mercado de la papa parda pastusa para el Valle del Cauca. Para tal fin, se emplean datos semanales para el periodo 2003:52 - 2005:42. A partir de un análisis tradicional de cointegración y una aproximación novedosa que implica el cálculo de...

European integration process became irreversible for Romania and is on the one hand a natural opening, a real change in the face of Romania, on the other hand a challenge to a profound change in the news and base on which Romania is planning its future development. I think it is the role of...

We consider a model of the "world" with several regions that may create a unified entity or be partitioned into several unions (countries). The regions have distinct preferences over policies chosen in the country to which they belong and equally share the cost of public policies. It is known...