Over the last few years there have been increasing concerns 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. In order to choose a given energy mix, an important aspect to...

Data Envelopment Analysis (DEA) models have been intensively used for measuring efficiency in a variety of contexts. More recently, the inclusion of undesirable outputs has extended their use to analyze relevant fields such as environmental efficiency. In this context, Slacks-Based Measure (SBM)...

This article evaluates the evolution of environmental performance in the context of the European Union (EU), over the period 1993–2010. The context is particularly relevant, due to the traditionally high concerns of the EU about these issues, which has triggered off several initiatives and...

There is a large literature on the existence of agglomeration economies, as shown in the surveys by Moomaw (1983) or Gerking (1993). The benefits of these economies arise from multiple sources, but some negative externalities might also emerge. Within the hierarchical urban system, cities at...

Seabirds are bioindicators of marine ecosystems and one of the world's most endangered avian groups. The creation of marine protected areas plays an important role in the conservation of marine environment and its biodiversity. The use of top predators distributions, as seabirds, for the...

How has the process of international economic integration advanced over the last four decades? How will the foreseeable future look like? We attempt to answer this sort of questions by considering some methods which have scarcely been used in the literature on globalization. First, we consider a...

This article features a set of indicators designed to measure international economic integration and globalization. We analyze the degree of openness and the respective networks of connections---both direct and indirect---for each economy in our sample. Our indicators are based on network...

The aim of this article is to develop new international financial integration indicators together with their determinants: financial openness and regularity (balance) of the bilateral financial flows. The study's contribution is based on the definition of the Standard of Perfect Financial...