“…There are three main methods to delimit trade areas: the analogy method (Applebaum, 1965(Applebaum, , 1966Erickson and Finkler, 1985), the proximal area method (Okabe et al, 2008;Peipins, 2013;Guerrero and Kao, 2013) and the gravity method (Huff, 1963(Huff, , 1964. The analogy method is non-geographic and often implemented by regression analysis as first proposed by Applebaum (1965Applebaum ( , 1966.…”