Semnan
Iran
Islamic Azad University (IAU) - Damghan Branch
Data envelopment analysis, Environmental technologies, Generalised weak disposability, Efficiency measurement, Directional hyperbolic distance function
Data envelopment analysis, Hyperbolic distance function, Conic optimization, Duality, Shadow prices
Data envelopment analysis; Linear programming; Global reference set; Minimum face; Returns to scale
Data envelopment analysis, Multiplicative directional distance function, Generalized multiplicative directional distance function, Log-convexity, Piece-wise log-linear technology