By Ferrier Gary   Trivitt Julie   in Journal of Productivity Analysis

ISSN:0895-562X|40|3|337-355

Springer Publishing Company ‎(2013)‎

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By Dervaux Benoît   Ferrier Gary D.   Leleu Hervé   Valdmanis Vivian   in Applied Economics

ISSN:1466-4283|36|10|1065-1081

Routledge Ltd‎(2004)‎

Access to resources Favorite 7.8320403