The aim of this article is to calculate the market valuation of quality characteristics and locational attributes of private secondary school in Spain. In order to achieve this, a hedonic price regression is estimated. The quality characteristics of a school appear to be important determinants...

In a context of Socially Responsible Investment (SRI), this paper deals with portfolio selection for investors interested in ethical policies. In the opportunity set there are ethical assets and other assets which are not characterized as ethical. Two goals are considered, the traditional...

To fulfil the requirements of the Kyoto Protocol, public authorities with responsibility for the environment, need to design and implement policies to reduce greenhouse gas emissions, whose pollution impact is highly relevant. Hence it is necessary to develop reliable data bases, indicators and...

To fulfil the requirements of the Kyoto Protocol, public authorities with responsibility for the environment, need to design and implement policies to reduce greenhouse gas emissions, whose pollution impact is highly relevant. Hence it is necessary to develop reliable data bases, indicators and...

Estudiamos un programa general de programación lineal posibilista en el que todos los parametros pueden ser fuzzy, así como las restricciones. Obtenemos la distribución de posibilidad de la solución en función del grado de cumplimiento de las restricciones. Con esta información se le...