Békés, Gábor; Koren, Miklós; Zsohár, Péter - 2011
purely region/local market specific attributes. Second, we extend the estimation of the demand side and partly use it as … to instrument station density, used in classical price estimation models, (partly) with demand factors. We find that … demand influences prices mainly through the number of stations. There is some local price variation across chains, and the …