“…macroeconomic (Oum et al 1990;Bougheas et al 1999;Zhao, Kockelman 2004;Marzano, Papola 2008); -partial share models (Wilson 1974;Coto-Millán et al 2005;Russo, Assumma 2007;Nuzzolo et al 2010;Bröcker et al 2011); -behavioural models that simulate mode and route choice (Winston 1983;Vieira 1992;Nuzzolo, Russo 1997;García-Menéndez et al 2004;De Jong, Ben-Akiva 2007;Quattrone, Vitetta 2008;Kepaptsoglou et al 2009;Russo et al 2009;Rich et al 2011;Yang et al 2011). Within this general modelling framework, this paper proposes a system of models that aims at reducing the complexity of the macro-economic models and allows us a first estimation of import and export freight in terms of quantity, characterised by transport mode, too.…”