Data Envelopment Analysis (DEA) has become an established approach for analyzing and comparing efficiency results of corporate organizations or economic agents. It has also found wide application in comparative studies on airport efficiency. The standard DEA approach to comparative airport...

We examine the heterogeneous impacts of foreign language use at work on earnings of both native-born workers and foreign-born workers, using a longitudinal survey, viz. the European Community Household Panel (ECHP) running from 1994 to 2001. Our findings are the following. First, for native-born...

The forthcoming creation of a single European currency area will likely have farreaching impacts on the competitive position of European industries, as a result of a decline in transaction costs and currency risks for intra-European trade. These impacts will take place independent of the...

We analyze the phenomenon of hub dominance by developing a model relating faresto distance, using the mainleg of intercontinental flights for scaling purposes. Our results indicate thatat least some of the major Europeancarriers place a mark up on flights originating from or going to their hubs.

This paper applies an ANOVA-type of meta-analysis to the evaluation of agri-environmental policy in theEuropean Union. Meta-analysis is concerned with the statistical analysis of previous research results, andhas become an established technique in the medical and natural science. The paper...

Many networks such as the Internet have been found to possess scale-free and small-world network properties reflected by so-called power law distributions. Scale-free properties evolve in large complex networks through self-organizing processes and more specifically, preferential attachment. New...