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Environmental efficiency and regulatory standards : the case of CO 2 emissions from OECD industries
Zofío, José L., (2001)
Evaluating effectiveness in public provision of infrastructure and equipment : the case of Spanish municipalities
Prieto, Angel M., (2001)
Measuring Productive Efficiency in Input-Output Models by Means of Data Envelopment Analysis
Zofío, José L., (2007)