There is an abundance of literature on cost functions and economies of scale in the rail sector. Results from such studies are used in decisions on privatization, regulation and mergers. Different studies may, however, come to very different conclusions. In this paper we examine the results of...

In the paper a nested logit model is used to describe passenger preferencesconcerning airports and airlines. A statistical model for the passengers'sequential choice of airport and airline is calibrated. It appears that thechoice sequence first airport, then airline is statistically preferable...

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...