Welcome to the Oviedo Efficiency Group

The Oviedo Efficiency Group (OEG) comprises a group of researchers working in the fields of efficiency and productivity analysis. The Group was created in 1997 by Dr Antonio Álvarez, who led it until 2010 and consolidated its international standing. The international quality of the Group is demonstrated by the large number of articles published in top international journals. In early 2015, the Group began collaborating with the Cluster of Energy, Environment and Climate Change created by the University of Oviedo through the framework of the Campus of International Excellence project. The research activity of the Group has recently received important financial support from the regional government of Principality of Asturias and the European Union in the form of co-financing by the European Regional Development Fund (ERDF) for the period 2014-2017.

The OEG is organizing a course titled “The Measurement of Firms’ Efficiency and Productivity” in Madrid (21th-25th May, 2018). The course's main objective is to promote knowledge of advanced techniques in benchmarking (frontier) analysis using a practical, “hands-on” approach. The sessions will include lectures by Subal Kumbhakar (State University of New York at Binghamton), Alfons Oude Lansink (Wageningen Graduate School of Social Sciences), Srini Parthasarathy (Oxera Consulting), Luis Orea (University of Oviedo) and José Luis Zofío (Universidad Autónoma de Madrid).



Our latest working papers

Our latest published papers…

Our latest seminars…

Cow comfort and productive efficiency: An application to Spanish dairy farms

José Antonio Perez, David Roibás, Alan Wall


Land fragmentation, output variability and technical efficiency in Spanish dairy farms

Graziella Bonnano, Domenico de Giovanni, David Roibás, Alan Wall


Institutions and Performance of Regulated Firms: Evidence from Electric Utilities in the Indian States

Tooraj Jamasb, Manuel Llorca, Pavan Khetrapal, Tripta Thakur

Measuring the impact of water supply interruptions on household welfare

David Roibás Alonso, María de los Ángeles García Valiñas, Roberto Fernández Llera


The profitability of value-added products in dairy farm diversification initiatives

Antonio Álvarez, Beatriz García Cornejo, José Antonio Pérez Méndez, David Roibás


Does institutional quality matter for trade? Institutional conditions in a sectoral trade framework

Inmaculada Álvarez, Javier Barbero, Andrés Rodríguez-Pose, José Luis Zofío


Jun, 20


Achieving a sustainable cost efficient business model in banking: The case of European banks

Ana Lozano (University of Malaga)


Nov, 30


Factores que determinan el precio de las subastas de pescado

Antonio Álvarez (University of Oviedo)


Feb, 16


Estimating Maximum Likelihood Models with Gauss

Luis Orea (University of Oviedo)




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