Umar, M., Ji, X., Mirza, N., Rahat, B., 2021. The impact of resource curse on banking efficiency:

Evidence from twelve oil producing countries. Resources Policy 72, 102080.

https://doi.org/10.1016/j.resourpol.2021.102080

Umar, M., Su, C.-W., Rizvi, S.K.A., Lobonţ, O.-R., 2021. Driven by fundamentals or exploded by

emotions: Detecting bubbles in oil prices. Energy 231, 120873.  

https://doi.org/10.1016/j.energy.2021.120873

Umar, M., Mirza, N., Rizvi, S.K.A., Furqan, M., 2021. Asymmetric volatility structure of equity returns:

Evidence from an emerging market. The Quarterly Review of Economics and Finance.  

https://doi.org/10.1016/j.qref.2021.04.016

Umar, M., Su, C.-W., Rizvi, S.K.A., Shao, X.-F., 2021. Bitcoin: A safe haven asset and a winner amid

political and economic uncertainties in the US? Technological Forecasting and Social Change 167, 120680. https://doi.org/10.1016/j.techfore.2021.120680 

Umar, M., Rizvi, S.K.A., Naqvi, B., 2021. Dance with the devil? The nexus of fourth industrial revolution, technological financial products and volatility spillovers in global financial system. Technological Forecasting and Social Change 163, 120450. https://doi.org/10.1016/j.techfore.2020.120450

Umar, M., Ji, X., Kirikkaleli, D., Alola, A.A., 2021. The imperativeness of environmental quality in the

United States transportation sector amidst biomass-fossil energy consumption and growth. Journal of Cleaner Production 285, 124863. https://doi.org/10.1016/j.jclepro.2020.124863

Umar, M., Ji, X., Kirikkaleli, D., Shahbaz, M., Zhou, X., 2020. Environmental cost of natural resources

utilization and economic growth: Can China shift some burden through globalization for sustainable

development? Sustainable Development 28, 1678–1688. https://doi.org/10.1002/sd.2116 

Umar, M., Ji, X., Kirikkaleli, D., Xu, Q., 2020. COP21 Roadmap: Do innovation, financial development,

and transportation infrastructure matter for environmental sustainability in China? Journal of

Environmental Management 271, 111026.  https://doi.org/10.1016/j.jenvman.2020.111026

Tao, R., Umar, M.*, Naseer, A., Razi, U., 2021. The dynamic effect of eco-innovation and environmental taxes on carbon neutrality target in emerging seven (E7) economies. Journal of Environmental

Management 299, 113525.   https://doi.org/10.1016/j.jenvman.2021.113525 

Su, Z.-W., Umar, M.*, Kirikkaleli, D., Adebayo, T.S., 2021. Role of political risk to achieve carbon

neutrality: Evidence from Brazil. Journal of Environmental Management 298, 113463.   

https://doi.org/10.1016/j.jenvman.2021.113463 

Ji, X., Zhang, Y., Mirza, N., Umar, M.*, Rizvi, S.K.A., 2021. The impact of carbon neutrality on the

investment performance: Evidence from the equity mutual funds in BRICS. Journal of Environmental Management 297, 113228.  https://doi.org/10.1016/j.jenvman.2021.113228 

Li, Z., Rizvi, S.K.A., Rubbaniy, G., Umar, M.*, 2021. Understanding the dynamics of resource curse in G7 countries: The role of natural resource rents and the three facets of financial development. Resources Policy 73, 102141. https://doi.org/10.1016/j.resourpol.2021.102141

He, X., Adebayo, T.S., Kirikkaleli, D., Umar, M.*, 2021. Consumption-based carbon emissions in Mexico: An analysis using the dual adjustment approach. Sustainable Production and Consumption 27,

947–957. (JCR IF: 5.032 Q1) https://doi.org/10.1016/j.spc.2021.02.020

Hao, L.-N., Umar, M.*, Khan, Z., Ali, W., 2021. Green growth and low carbon emission in G7 countries:

How critical the network of environmental taxes, renewable energy and human capital is? Science of

The Total Environment 752, 141853. https://doi.org/10.1016/j.scitotenv.2020.141853

Ji, X., Umar, M.*, Ali, S., Ali, W., Tang, K., Khan, Z., 2021. Does fiscal decentralization and eco-innovation promote sustainable environment? A case study of selected fiscally decentralized countries.

Sustainable Development 29, 79–88. https://doi.org/10.1002/sd.2132

Li, Z.-Z., Li, R.Y.M., Malik, M.Y., Murshed, M., Khan, Z., Umar, M.*, 2021. Determinants of Carbon

Emission in China: How Good is Green Investment? Sustainable Production and Consumption 27,

392–401. (JCR IF: 5.032 Q1)  https://doi.org/10.1016/j.spc.2020.11.008

Su, C.-W., Huang, S.-W., Qin, M., Umar, M.*, 2021. Does crude oil price stimulate economic policy

uncertainty in BRICS? Pacific-Basin Finance Journal 101519.

 https://doi.org/10.1016/j.pacfin.2021.101519

Su, C.-W., Umar, M.*, Khan, Z., 2021. Does fiscal decentralization and eco-innovation promote

renewable energy consumption? Analyzing the role of political risk. Science of The Total Environment 751, 142220. https://doi.org/10.1016/j.scitotenv.2020.142220

Wang, K.-H., Umar, M.*, Akram, R., Caglar, E., 2021. Is technological innovation making world

“Greener”? An evidence from changing growth story of China. Technological Forecasting and Social

Change 165, 120516. https://doi.org/10.1016/j.techfore.2020.120516

Ahmad, M., Jiang, P., Majeed, A., Umar, M.*, Khan, Z., Muhammad, S., 2020. The dynamic impact of

natural resources, technological innovations and economic growth on ecological footprint: An

advanced panel data estimation. Resources Policy 69, 101817. https://doi.org/10.1016/j.resourpol.2020.101817

Gu, J., Umar, M.*, Soran, S., Yue, X.-G., 2020. Exacerbating effect of energy prices on resource curse: Can research and development be a mitigating factor? Resources Policy 67, 101689.

 https://doi.org/10.1016/j.resourpol.2020.101689

Shen, Y., Su, Z.-W., Malik, M.Y., Umar, M.*, Khan, Z., Khan, M., 2021. Does green investment, financial

development and natural resources rent limit carbon emissions? A provincial panel analysis of China. Science of The Total Environment 755, 142538. https://doi.org/10.1016/j.scitotenv.2020.142538

Su, C.-W., Qin, M., Rizvi, S.K.A., Umar, M.*, 2020. Bank competition in China: a blessing or a curse for

financial system? Economic Research-Ekonomska Istraživanja 0, 1–21.

https://doi.org/10.1080/1331677X.2020.1820361

As Co-Author

Su, C.-W., Khan, K., Umar, M., Zhang, W., 2021. Does renewable energy redefine geopolitical risks?

Energy Policy 158, 112566. https://doi.org/10.1016/j.enpol.2021.112566

Su, C.-W., Yuan, X., Tao, R., Umar, M., 2021. Can new energy vehicles help to achieve carbon neutrality

 targets? Journal of Environmental Management 297, 113348.

 https://doi.org/10.1016/j.jenvman.2021.113348

Wang, J., Umar, M., Afshan, S., Haouas, I., 2021. Examining the nexus between oil price, COVID-19,

uncertainty index, and stock price of electronic sports: fresh insights from the nonlinear approach.

Economic Research-Ekonomska Istraživanja 0, 1–17. https://doi.org/10.1080/1331677X.2021.1937260

Wang, K.-H., Su, C.-W., Lobonţ, O.-R., Umar, M., 2021. Whether crude oil dependence and CO2

emissions influence military expenditure in net oil importing countries? Energy Policy 153, 112281. 

https://doi.org/10.1016/j.enpol.2021.112281

Sun, T.-T., Tao, R., Su, C.-W., Umar, M., 2021. How Do Economic Fluctuations Affect the Mortality of

Infectious Diseases? Frontier in Public Health 9. https://doi.org/10.3389/fpubh.2021.678213

Hao, L., Ahmad, S., Chang, H.-L., Umar, M., 2021. Knowledge spill-over and institutional quality role in controlling Dutch disease: A case of BRICS countries. Resources Policy 72, 102114.

https://doi.org/10.1016/j.resourpol.2021.102114

Bibi, A., Zhang, X., Umar, M., 2021. The imperativeness of biomass energy consumption to the

environmental sustainability of the United States revisited. Environmental and Ecological Statistics.  

https://doi.org/10.1007/s10651-021-00500-9

Gao, X., Ren, Y., Umar, M., 2021. To what extent does COVID-19 drive stock market volatility?

A comparison between the U.S. and China. Economic Research-Ekonomska Istraživanja 0, 1–21.

https://doi.org/10.1080/1331677X.2021.1906730

Yang, J., Rizvi, S.K.A., Tan, Z., Umar, M., Koondhar, M.A., 2021. The competing role of natural gas and oil as fossil fuel and the non-linear dynamics of resource curse in Russia. Resources Policy 72, 102100.

https://doi.org/10.1016/j.resourpol.2021.102100

Zhang, J., Dai, Y., Su, C.-W., Kirikkaleli, D., Umar, M., 2021. Intertemporal change in the effect of

economic growth on carbon emission in China. Energy & Environment 0958305X211008618.

 https://doi.org/10.1177/0958305X211008618

Khan, K., Su, C.-W., Umar, M., Yue, X.-G., 2020. Do crude oil price bubbles occur? Resources Policy

101936. https://doi.org/10.1016/j.resourpol.2020.101936

Khan, Z., Ali, S., Umar, M., Kirikkaleli, D., Jiao, Z., 2020. Consumption-based carbon emissions and

International trade in G7 countries: The role of Environmental innovation and Renewable energy.

Science of The Total Environment 730, 138945. https://doi.org/10.1016/j.scitotenv.2020.138945

Li, C., Liu, X., Bai, X., Umar, M., 2020. Financial Development and Environmental Regulations: The Two Pillars of Green Transformation in China. International Journal of Environmental Research and Public Health 17, 9242. (JCR IF: 3.390 Q1) https://doi.org/10.3390/ijerph17249242

Li, Z.Z., Su, C.-W., Qin, M., Umar, M., 2020. Who is the chaser in cryptocurrencies? Singapore Economic Review 1–22. https://doi.org/10.1142/S0217590820470049

Qin, M., Qiu, L.-H., Tao, R., Umar, M., Su, C.-W., Jiao, W., 2020. The inevitable role of El Niño: a fresh

2insight into the oil market. Economic Research-Ekonomska Istraživanja 33, 1943–1962.

https://doi.org/10.1080/1331677X.2020.1768428

Qin, M., Su, C.-W., Tao, R., Umar, M., 2020. Is factionalism a push for gold price? Resources Policy 67,

101679. https://doi.org/10.1016/j.resourpol.2020.101679

Song, Y., Chen, B., Tao, R., Su, C.-W., Umar, M., 2020. Too much or less? Financial development in

Chinese marine economic growth. Regional Studies in Marine Science 37, 101324.

https://doi.org/10.1016/j.rsma.2020.101324

Su, C.-W., Cai, X.-Y., Qin, M., Tao, R., Umar, M., 2021. Can bank credit withstand falling house price in

China? International Review of Economics & Finance 71, 257–267.

https://doi.org/10.1016/j.iref.2020.09.013

Su, C.-W., Khan, K., Tao, R., Umar, M., 2020. A review of resource curse burden on inflation in

Venezuela. Energy 204, 117925. https://doi.org/10.1016/j.energy.2020.117925

Su, C.-W., Qin, M., Tao, R., Shao, X.-F., Albu, L.L., Umar, M., 2020. Can Bitcoin hedge the risks of

geopolitical events? Technological Forecasting and Social Change 159, 120182.

https://doi.org/10.1016/j.techfore.2020.120182

Su, C.-W., Qin, M., Tao, R., Umar, M., 2020. Financial implications of fourth industrial revolution: Can

bitcoin improve prospects of energy investment? Technological Forecasting and Social Change 158,

120178. https://doi.org/10.1016/j.techfore.2020.120178

Su, C.-W., Qin, M., Tao, R., Umar, M., 2020. Does oil price really matter for the wage arrears in Russia?

Energy 208, 118350. https://doi.org/10.1016/j.energy.2020.118350

Su, C.-W., Qin, M., Zhang, X.-L., Tao, R., Umar, M., 2021. Should Bitcoin be held under the U.S. partisan

conflict? Technological and Economic Development of Economy 1–19.

 https://doi.org/10.3846/tede.2021.14058

Su, C.-W., Song, Y., Umar, M., 2021. Financial aspects of marine economic growth: From the

perspective of coastal provinces and regions in China. Ocean & Coastal Management 204, 105550. 

https://doi.org/10.1016/j.ocecoaman.2021.105550

Sun, T.-T., Su, C.-W., Mirza, N., Umar, M., 2021. How does trade policy uncertainty affect agriculture

commodity prices? Pacific-Basin Finance Journal 66, 101514.

https://doi.org/10.1016/j.pacfin.2021.101514

Wang, K.-H., Su, C.-W., Umar, M., 2021. Geopolitical risk and crude oil security: A Chinese perspective. Energy 219, 119555. https://doi.org/10.1016/j.energy.2020.119555

Wang, Q.-S., Su, C.-W., Hua, Y.-F., Umar, M., 2020. Can fiscal decentralisation regulate the impact of

industrial structure on energy efficiency? Economic Research-Ekonomska Istraživanja 0, 1–26.

https://doi.org/10.1080/1331677X.2020.1845969

Zhang, X.-T., Liu, X.-H., Su, C.-W., Umar, M., 2020. Does asymmetric persistence in convergence of the

air quality index (AQI) exist in China? Environmental Science Pollution Research 27, 36541–36569.

 (JCR IF: 4.223 Q2) https://doi.org/10.1007/s11356-020-09498-2

Conference Paper

Xu, Q., Umar, M., Ji, X., 2020. Time-Frequency Analysis between Renewable and Nonrenewable Energy Consumption, Economic Growth, and CO₂ Emissions in the United States: Evidence from the

Transportation Sector, CICTP 2964–2974. https://doi.org/10.1061/9780784483053.250