Demographic ageing has social, economic and political challenges. There has been a proliferation of papers addressing the phenomenon from the quantitative aspect, focusing on changes in the demographic structure of the population and the implications it may have on basic pillars of the...
This thesis is basically a study of the search for automatisms in different algorithms applied to Geographical Information Science. The works that form the thesis have an important common goal: to obtain the highest possible quality in results when...
Biological treatment of municipal waste water generates large amounts of sludge rich in organic matter and certain chemicals. This composition rends sludge an ideal waste to be valorised through composting. However, the composting facilities generate social rejection, often...
Why do some people buy private health insurance when there is a national system of free health services? This article develops a theoretical model and tests its main prediction with data from the UK. The model predicts that if people have better information than...
For some years now, researches on the relationship between oceanic biological productivity and the entry of nutrients have been carried out. Recently, the study of three sediment cores from the Subantarctic South Atlantic Ocean have allowed...
