The quantity vs. quality trade-offs in network industries are well known from the theoretical literature and have been the subject of many empirical assessments, although mostly for the telecoms and energy sectors. The purpose of this paper is to expand the evidence for the railway sector by...

In this paper, we examine the relationship between economic and environmental performance. More specifically, we analyse the impact of SO2 reduction in the eighties (1980-1992) on productivity growth, technical efficiency and technological progress for a set of 12 OECD countries. Our timeframe...