The aim of the present study is to provide fresh evidence about the characteristics of cost structure of public transit systems in Italy. The analysis is carried out by comparing the productive performance (average costs and productivity) of small, medium and large-sized companies providing both...

This study provides fresh evidence about the characteristics of technology and cost structure of public transit systems in Italy. The aim is to suggest useful guidelines for facing detected inefficiencies. The analysis is carried out through the estimation of a translog variable cost function....