52, avenue de Villeneuve
Perpignan 66860
France
University of Perpignan
Technical efficiency, Log-convexity, Cobb-Douglas structure, Exponential distance.
shortage function, mean-variance, mean-variance-skewness, efficient portfolios, Luenberger portfolio productivity indicator
α-Returns to Scale, Data Envelopment Analysis, Increasing Returns to Scale, Efficiency
Benefit Function, Directional Distance Function, F¨are-Lovell efficiency measure, Duality Theory, Non-Convexity
B-disposal Assumption, Bad Outputs, Cost Disposability, Distance Function, Duality, Pollution-generating Technologies (PgT), Revenue Function