Philippidis, GeorgeResano Ezcaray, HelenaSanjuán López, Ana Isabel2011-11-022011-11-022011George Philippidis, Helena Resano-Ezcaray, and Ana I. Sanjuán-López. "Capturing zero trade values in gravity equations of trade: A disaggregated sectoral analysis". XIIIth Congress of the European Association of Agricultural Economists, Zurich, Switzerland, ETH Zurich, August 30 to Sept. 2, 2011, 12 p.http://hdl.handle.net/10532/1714enModelos econométricosComercio internacionalEconomía agroalimentariaconferenceObject