The present article presents an improved and refined version of the SNUS-1 model (GAUDRY and BLUM 1993) documented only in French. The greatest difficulty faced in the development of the model did not have to do with structure – the multilevel structure is straightforward – but with the...

In this paper, we say a few words about the context, role and classification of Origin-Destination (O-D) matrix determination procedures, with a view to situating existing research streams within a common framework. We distinguish between O-D matrix derivation approaches and proper O-D matrix...

In a regression model where a Box-Cox transformation is used on a positive independent variable X which appears only once in the equation, the effect of X on the dependent variable Y is either strictly increasing or decreasing over the whole range of X , since the transformation is a monotonic...