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Javier Garcia-Enriquez and Josu Arteche are lecturer and associate professor of the departments Fundamentos del Analisis Economico II and Economia Aplicada III, respectively, in the University of the Basque Country UPV/EHU, Bilbao 48015, Spain. Javier Hualde is associate professor at the department of Economics of the Public University of Navarra, Pamplona 31006, Spain. Arantza Murillas-Maza is researcher at AZTI-Tecnalia, Technological Institute for Fisheries and Food, Marine Research Division, Sukarrieta 48395, Spain. E-mail: javier.garcia@ehu.es for correspondence. The authors thank the Editor and two anonymous referees for helpful comments which have led to significant improvements in the content of the paper. The first, third and fourth authors acknowledge funding from project ECO2010-15332 of the Spanish Ministry of Science and Innovation and from the ERDF. The second author gratefully acknowledges aid received from project ECO2011-24304 of the Spanish Ministry of Economy and Competitiveness. Javier Garcia-Enriquez also wishes to thank the University of the Basque Country UPV/EHU for funding provided via its programme of aid for the training of research staff (2007-2010). Josu Arteche acknowledges financial support by the UFI 11/03 Sustainable Economics \& Welfare of the University of the Basque Country UPV/EHU. Finally, Arantza Murillas-Maza acknowledges the funding of this work through SOCIOEC project by the EU (FP7-KBBE-2011-5) and the Basque Government. This paper is contribution no. 615 from AZTI-Tecnalia (Marine Research Division). |
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