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Survival of the fittest : the long-run productivity analysis of the listed information technology companies in the US stock market

Qiao, Guangshun - In: Economics : the open-access, open-assessment journal 17 (2023) 1, pp. 1-11

This article tries to estimate the operating efficiency among 30 years (1989-2018) in the information technology (IT) industry, where technologies are everchanging. The balanced panel data model of Kneip et al. is extended to an unbalanced panel data model for more generic applications. The...

Persistent link: https://www.econbiz.de/10014281230

Vertical integration vs. specialization : a nonparametric conditional efficiency estimate for the global semiconductor industry

Qiao, Guangshun; Wang, Zhan-ao - In: Journal of productivity analysis : an official journal … 56 (2021) 2/3, pp. 139-150

Persistent link: https://www.econbiz.de/10012656581

The shadow prices of CO2, SO2 and NOx for U.S. coal power industry 2010-2017 : a convex quantile regression method

Zhao, Shirong; Qiao, Guangshun - In: Journal of productivity analysis : an official journal … 57 (2022) 3, pp. 243-253

Persistent link: https://www.econbiz.de/10013190844

Tradeoffs between economies of scale and specialization in efficiency for the global semiconductor industry

Qiao, Guangshun; Zhao, Shirong - In: Applied economics 54 (2022) 23, pp. 2678-2693

Persistent link: https://www.econbiz.de/10013171113

Impact of urbanization on CO2 emissions and energy consumption structure : a panel data analysis for Chinese prefecture-level cities

Shiyi, Chen; Jin, Hao; Lu, Yulin - In: Structural change and economic dynamics : SC+ED 49 (2019), pp. 107-119

Persistent link: https://www.econbiz.de/10012298510

The impact of energy regulation on energy intensity and energy structure : firm-level evidence from China

Chen, Dengke; Shiyi, Chen; Jin, Hao; Lu, Yulin - In: China economic review : an international journal 59 (2020), pp. 1-15

Persistent link: https://www.econbiz.de/10012596224