This article is largely based on Bruinsma et al. (2000). The Dutch Ministry of Transport funded the research. The authors thank Carmen Leutscher, Erna Schol and three anonymous referees for their comments on earlier versions of this paper.
This article is largely based on Bruinsma et al. (2000). The Dutch Ministry of Transportfunded the research. The authors thank Carmen Leutscher, Erna Schol and three anonymousreferees for their comments on earlier versions of this paper.