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Serious strategy for the makers of fun : analyzing the option to switch from pay-to-play to free-to-play in a two-stage optimal control model with quadratic costs
Seidl, Andrea; Caulkins, Jonathan P.; Hartl, Richard F.; … - In: European journal of operational research : EJOR 267 (2018) 2, pp. 700-715
Persistent link: https://www.econbiz.de/10011812729
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Directional distance functions and slacks-based measures of efficiency
Färe, Rolf; Grosskopf, Shawna - In: European journal of operational research : EJOR 200 (2009/10) 1, pp. 320-322
Persistent link: https://www.econbiz.de/10003895182
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Metaheuristics for vehicle routing problems with three-dimensional loading constraints
Fuellerer, Guenther; Doerner, Karl Franz; Hartl, Richard F. - In: European journal of operational research : EJOR 201 (2010) 3, pp. 751-759
Persistent link: https://www.econbiz.de/10003959842
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DEA and endogenous technological change
Färe, Rolf; Grosskopf, Shawna; Fukuyama, Hirofumi; … - In: European journal of operational research : EJOR 210 (2011) 2, pp. 457-458
Persistent link: https://www.econbiz.de/10008841173
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Vendor managed inventory for environments with stochastic product usage
Hemmelmayr, Vera; Doerner, Karl Franz; Hartl, Richard F.; … - In: European journal of operational research : EJOR 202 (2010) 3, pp. 686-695
Persistent link: https://www.econbiz.de/10003980946
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Time substitution with application to data envelopment analysis
Färe, Rolf; Grosskopf, Shawna; Margaritis, Dimitris - In: European journal of operational research : EJOR 206 (2010) 3, pp. 686-690
Persistent link: https://www.econbiz.de/10003982043
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Directional distance functions and slacks-based measures of efficiency : some clarifications
Färe, Rolf; Grosskopf, Shawna - In: European journal of operational research : EJOR 206 (2010) 3, pp. 702
Persistent link: https://www.econbiz.de/10003982047
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Decomposing profit inefficiency in DEA through the weighted additive model
Cooper, W. W.; Pastor, Jesús T.; Aparicio, Juan; … - In: European journal of operational research : EJOR 212 (2011) 2, pp. 411-416
Persistent link: https://www.econbiz.de/10009010067
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Efficiency analysis, shortage functions, arbitrage, and martingales
Chambers, Robert G.; Färe, Rolf - In: European journal of operational research : EJOR 213 (2011) 1, pp. 349-358
Persistent link: https://www.econbiz.de/10009159255
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The multi-objective generalized consistent vehicle routing problem
Kovacs, Attila A.; Parragh, Sophie N.; Hartl, Richard F. - In: European journal of operational research : EJOR 247 (2015) 2, pp. 441-458
Persistent link: https://www.econbiz.de/10011374487