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Nonparametric measures of scale economies and capacity utilization : an application to US manufacturing
Ray, Subhash C. - In: European journal of operational research : EJOR 245 (2015) 2, pp. 602-611
Persistent link: https://www.econbiz.de/10011308961
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The transformation function, technical efficiency, and the CCR ratio
Ray, Subhash C. - In: European journal of operational research : EJOR 278 (2019) 2, pp. 422-429
Persistent link: https://www.econbiz.de/10012102545
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Distribution of cost and profit efficiency : evidence from Indian banking
Ray, Subhash C.; Das, Abhiman - In: European journal of operational research : EJOR 201 (2010) 1, pp. 297-307
Persistent link: https://www.econbiz.de/10003975639
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An overall measure of technical inefficiency at the firm and at the industry level : the "lost profit on outlay"
Aparicio, Juan; Pastor, Jesús T.; Ray, Subhash C. - In: European journal of operational research : EJOR 226 (2013) 1, pp. 154-162
Persistent link: https://www.econbiz.de/10009716333
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Economic measures of capacity utilization : a nonparametric short-run cost function analysis
Ray, Subhash C.; Walden, John B.; Chen, Lei - In: European journal of operational research : EJOR 293 (2021) 1, pp. 375-387
Persistent link: https://www.econbiz.de/10012502486
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Queues with slow servers and impatient customers
Ray, Subhash C.; Das, Abhiman - In: European journal of operational research : EJOR 201 (2010) 1, pp. 247-259
Persistent link: https://www.econbiz.de/10008349369
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Reputation and efficiency: A non-parametric assessment of America’s top-rated MBA programs
Ray, Subhash C.; Jeon, Yongil - In: European journal of operational research : EJOR 189 (2008) 1, pp. 245-268
Persistent link: https://www.econbiz.de/10007910969
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An overall measure of technical inefficiency at the firm and at the industry level: The ‘lost profit on outlay’
Aparicio, Juan; Pastor, Jesus T.; Ray, Subhash C. - In: European journal of operational research : EJOR 226 (2013) 1, pp. 154-162
Persistent link: https://www.econbiz.de/10010062172