RESUMEN: El objetivo de este trabajo es estudiar, desde el punto de vista primal, la eficiencia técnica de una muestra de barcos dedicados a la pesca de merluza en Asturias. Un rasgo característico de esta actividad es la importancia que tienen las capturas de otras especies distintas de la...

This study estimates the economic cost of mining pollution on water resources for the years 2008 and 2009 based on the conceptual framework of Environmental Efficiency (Pittman, 1981.1983, Färe et al., 1989, 1993, 2003; Rao, 2000). This framework understands such costs as the mining companies...

This paper tries to quantify economically the importance of five phonetic haracteristics (seseo, yeismo, /s/-aspiration, rehilamiento, and /x/-aspiration) whose presence or absence allows to distinguish among ten regional varieties of Spanish. To do that we perform an analysis of the extension...