Narrow search
Showing 71 - 80 of 177
Cover Image
Estimating the degree of firms' input market power via data envelopment analysis : evidence from the global biotechnology and pharmaceutical industry
Fukuyama, Hirofumi; Matousek, Roman; Tzeremes, Nickolaos G. - In: European journal of operational research : EJOR 305 (2023) 2, pp. 946-960
Persistent link: https://www.econbiz.de/10013479358
Cover Image
Estimating market power under a nonparametric analysis : evidence from the Chinese real estate sector
Fukuyama, Hirofumi; Tan, Yong - In: OR spectrum : quantitative approaches in management 45 (2023) 2, pp. 599-622
Persistent link: https://www.econbiz.de/10014328499
Cover Image
Dynamic network data envelopment analysis with a sequential structure and behavioural-causal analysis : application to the Chinese banking industry
Fukuyama, Hirofumi; Tsionas, Efthymios G.; Tan, Yong - In: European journal of operational research : EJOR 307 (2023) 3, pp. 1360-1373
Persistent link: https://www.econbiz.de/10014282992
Cover Image
The impacts of innovation and trade openness on bank market power : the proposal of a minimum distance cost function approach and a causal structure analysis
Fukuyama, Hirofumi; Tsionas, Efthymios G.; Tan, Yong - In: European journal of operational research : EJOR 312 (2024) 3, pp. 1178-1194
Persistent link: https://www.econbiz.de/10014456484
Cover Image
Minimum distance efficiency measure in bank production : a directional slack inefficiency approach
Fukuyama, Hirofumi; Matousek, Roman; Tzeremes, Nickolaos G. - In: Journal of the Operational Research Society 73 (2022) 8, pp. 1742-1754
Persistent link: https://www.econbiz.de/10013373056
Cover Image
Fuzzy chance-constrained geometric programming : the possibility, necessity and credibility approaches
Shiraz, Rashed Khanjani; Tavana, Madjid; Fukuyama, Hirofumi - In: Operational research : an international journal 17 (2017) 1, pp. 67-97
Persistent link: https://www.econbiz.de/10011725156
Cover Image
Integrating geometric programming with rough set theory
Shiraz, Rashed Khanjani; Fukuyama, Hirofumi - In: Operational research : an international journal 18 (2018) 1, pp. 1-32
Persistent link: https://www.econbiz.de/10011917133
Cover Image
Capacity utilization change over time
Song, Yao-yao; Ren, Xian-tong; Yang, Guo-liang - In: Journal of productivity analysis : an official journal … 59 (2023) 1, pp. 61-78
Persistent link: https://www.econbiz.de/10013548828
Cover Image
Is human and financial investment in Chinese universities effective?
Cui, Yuan; Ren, Xian-tong; He, Xi-jie; Yang, Guo-liang - In: Socio-economic planning sciences : the international … 88 (2023), pp. 1-16
Persistent link: https://www.econbiz.de/10014370345
Cover Image
Eliminating congestion in China's papermaking and paper products industry : from both the perspective of increasing and decreasing inputs
Ren, Xian-tong; Yang, Guo-liang - In: Journal of productivity analysis : an official journal … 61 (2024) 1, pp. 63-82
Persistent link: https://www.econbiz.de/10014502467