“…However, the impacts of other potentially obsogenic environments such as location of purchase, the expansion of supermarkets, etc., on the nutritiontransition are not well investigated. Several studies have analysed the evolution, expansion and diffusion of supermarkets and their impact on food retailing and small farmers (Kaufman, 1998;Belik and dos Santos, 2002;Ghezan et al, 2002;Gutman, 2002;Reardon and Berdegué, 2002;Schwentesius and Gómez, 2002;Weatherspoon and Reardon, 2003;Berdegué et al, 2004;Codron et al, 2004;Dries et al, 2004;Hu et al, 2004;Neven and Reardon, 2004;Reardon and Swinnen, 2004;Rodriguez et al, 2002;Farina et al, 2005;Traill, 2006). Some studies also examined the link between the expansion of supermarkets and consumer preferences and food safety (Rodríguez et al, 2002;Balsevich et al, 2003;Berdegué et al, 2003a;Berdegué et al, 2003b).…”