Bigras, Yvon; Nguyen, Sang - In: L'Actualité Economique 63 (1987) 1, pp. 26-42
We present in this article a model of freight flows between eight regions in Canada, and for 64 categories of goods. The model works in two stages. First, regressions are made of observed flows on some socio-economical variables, such as transportation costs. We then get prior flows, which can...