Firm and Industry Level Profit Efficiency Analysis Using Absolute and Uniform Shadow Prices
: Timo Kuosmanen, Mika Kortelainen, Timo Sipiläinen, Laurens Cherchye
: 2010
: European Journal of Operational Research
: 202
: 2
: 584
: 594
: https://www.sciencedirect.com/science/article/pii/S0377221709004238