By applying Data Envelopment Analysis (DEA), this study examines the efficiency ofa subset of Norwegian bus companies in order to test the hypothesis that publiccompanies are less efficient than private ones. DEA consists of constructing apiecewise linear best practice frontier enveloping the...

In this paper we provide a yardstick for measuring the performance of ferries involved in theNorwegian trunk road system. We establish a best practice frontier from which individualferries are measured against. The potentials for efficiency improvements can then be derivedgiving the decision...