Over the last few years concerns have increased about the energy mix in many countries. These concerns have been of greater magnitude for countries with a common energy regulation such as European Union (EU) member states. An important aspect to take into account when choosing a given energy mix...

This paper assesses the restructuring of the Spanish electric power sector by analysing the performance of electric companies. To this end, we jointly analyse the creation and decomposition of the economic value generated by them before and after the reform, and its distribution among firms'...

Breast cancer is one of the diseases with the most profound impact on health in developed countries and mammography is the most popular method for detecting breast cancer at a very early stage. This paper focuses on the waiting period from a positive mammogram until a confirmatory diagnosis is...