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Curvature-Constrained Estimates of Technical Efficiency and Returns to Scale for U.S. Electric Utilities
Rungsuriyawiboon, S. and O'Donnell, C. (2004). Curvature-Constrained Estimates of Technical Efficiency and Returns to Scale for U.S. Electric Utilities. CEPA Working Paper WP07, School of Economics, The University of Queensland.
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