Authors: Zofio, JL Prieto, AM

Citation: Jl. Zofio et Am. Prieto, Environmental efficiency and regulatory standards: the case of CO2 emissions from OECD industries, RES ENER EC, 23(1), 2001, pp. 63-83

Authors: Zofio, JL Lovell, CAK

Citation: Jl. Zofio et Cak. Lovell, Graph efficiency and productivity measures: an application to US agriculture, APPL ECON, 33(11), 2001, pp. 1433-1442