This article looks at the efficiency of Portuguese tour operators focusing on firm size, group ownership, and mergers and acquisitions. It has been argued that changed market conditions in Europe make it hard for tour operators to achieve economies of scale and market growth without increasing...

This paper addresses empirically financial and operational performance of Italian airports using data envelopment analysis (DEA) methodology. With panel data for 2001–2003, the study tests variable relationships—the relative roles of dimension, managerial status and workload...