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Environmental regulation and high-quality sustainable development of China's economy : an empirical study based on a spatial durbin model and threshold model
Yang, Shuangpeng; Chen, Zhonglu; Umar, Muhammad; … - In: Economic research 35 (2022) 1,5, pp. 5699-5718
Persistent link: https://www.econbiz.de/10014416282
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To what extent does COVID-19 drive stock market volatility? : a comparison between the U.S. and China
Gao, Xue; Ren, Yixin; Umar, Muhammad - In: Economic research 35 (2022) 1,2, pp. 1686-1706
Persistent link: https://www.econbiz.de/10014380939
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Examining the nexus between oil price, COVID-19, uncertainty index, and stock price of electronic sports : fresh insights from the nonlinear approach
Wang, Jing; Umar, Muhammad; Sahar Afshan; Haouas, Ilham - In: Economic research 35 (2022) 1,2, pp. 2217-2233
Persistent link: https://www.econbiz.de/10014382082
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The inevitable role of El Niño : a fresh insight into the oil market
Qin, Meng; Qiu, Lian-Hong; Tao, Ran; Umar, Muhammad; … - In: Economic research 33 (2020) 1,2, pp. 1943-1962
Persistent link: https://www.econbiz.de/10013191286