The effect of ethanol policies on the vertical price transmission in corn and food markets / Dušan Drabik, Pavel Ciaian, Ján Pokrivčák. -- Bibliografické odkazy. In: Energy economics. -- ISSN 0140-9883. -- Vol. 55, no. 1 (2016), s. 189-199. trh potravín * potravinová vertikála * biopalivá * etanol