Scuffham, P. A. Are there seasonal unit roots in traffic crash data? Fabrizio Serra Editore P. [1-8] [8] Is part of International journal of transport economics : Rivista internazionale di economia dei trasporti : XXX, 3, 2003 Articles from the same issue (available individually) Airport marginal cost pricing: discussion and an application to Swedish airport Get article Ownership, scale effects and efficiency of Norwegian bus operators: empirical evidence Get article Asset revaluation and company rates of return in the shipping industry Get article The Measurement of efficiency of Portuguese Sea Port Authorities with DEA. Get article Are there seasonal unit roots in traffic crash data? The efficacy of unemployement rate and leading index as predictors of speed and alcohol related crashes in Australia Get article Obituary - World research in transport economics Get article Books receveid Get article Index to volume XXX. Get article Contents Get article Show more Information DOI: 10.1400/16892 ISSN: 1724-2185 Permalink: https://digital.casalini.it/10.1400/16892 DISCIPLINES