1.
Position/Title
Professor/Doctoral Supervisor
2. Research Interests / Research Direction
• Energy Economics
• Green Finance
• Financial and Resource Markets
• Investment and Financial Analysis
• Behavioral Finance
• Empirical Finance
• Financial Risk Management
• Crypto assets
3. Contact Information
Email: umar140287@hotmail.com
Phone No./WhatsApp: +923137555445 · WeChat: Umar14-02-87
Scopus ID (Elsevier): https://www.scopus.com/authid/detail.uri?authorId=55262842600
ORCID: https://orcid.org/0000-0001-5773-5954
Google Scholar: https://scholar.google.com/citations?user=uLIJxqEAAAAJ&hl=en
4. ACADEMIC QUALIFICATION
Ph.D. in Management Science and Engineering 2018 – 2021
o Specialization in Energy Finance
Qingdao University, China
MS in Business Administration 2008 – 2010
o Specialization in Finance
The Superior College, Lahore
Bachelors in Commerce (HONS) 4 years program 2004 - 2008
o Specialization in Finance
Hailey College of Commerce, University of the Punjab, Lahore
5. PUBLICATIONS
Umar, M.*, Mirza, N., & Ribeiro-Navarrete, S. (2023). The impact of financial restatements on sell-side recommendation accuracy. Finance Research Letters, 103868. https://doi.org/10.1016/j.frl.2023.103868
Umar, M., & Safi, A. (2023). Do green finance and innovation matter for environmental protection? A case of OECD economies. Energy Economics, 119, 106560. https://doi.org/10.1016/j.eneco.2023.106560
Zhu, B., Liang, C., Mirza, N., & Umar, M.* (2023). What drives gearing in early-stage firms? Evidence from blue economy startups. Journal of Business Research, 161, 113840. https://doi.org/10.1016/j.jbusres.2023.113840
Mirza, N., Umar, M.*, & Mangafic, J. (2023). Covid-19 vaccines and investment performance: Evidence from equity funds in European Union. Finance Research Letters, 53, 103650. https://doi.org/10.1016/j.frl.2023.103650
Naqvi, B., Rizvi, S. K. A., Mirza, N., & Umar, M.* (2023). Financial market development: A potentiating policy choice for the green transition in G7 economies. International Review of Financial Analysis, 87, 102577. https://doi.org/10.1016/j.irfa.2023.102577
Lang, Q., Ma, F., Mirza, N., & Umar, M. (2023). The interaction of climate risk and bank liquidity: An emerging market perspective for transitions to low carbon energy. Technological Forecasting and Social Change, 191, 122480. https://doi.org/10.1016/j.techfore.2023.122480
Li, J., Umar, M., & Huo, J. (2023). The spillover effect between Chinese crude oil futures market and Chinese green energy stock market. Energy Economics, 119, 106568. https://doi.org/10.1016/j.eneco.2023.106568
Qin, M., Su, C.-W., Lobonţ, O.-R., & Umar, M. (2023). Blockchain: A carbon-neutral facilitator or an environmental destroyer? International Review of Economics & Finance, 86, 604–615. https://doi.org/10.1016/j.iref.2023.04.004
Chen, Z., Umar, M.*, Su, C.-W., & Mirza, N. (2023). Renewable energy, credit portfolios and intermediation spread: Evidence from the banking sector in BRICS. Renewable Energy, 208, 561–566. https://doi.org/10.1016/j.renene.2023.03.003
Lv, W., Mirza, N., Umar, M., & Chen, W. (2023). The Nexus of climate crisis and asset liability management in frontier economies. Technological Forecasting and Social Change, 192, 122586. https://doi.org/10.1016/j.techfore.2023.122586
Shu, H., Wang, Y., Umar, M., & Zhong, Y. (2023). Dynamics of renewable energy research, investment in EnvoTech and environmental quality in the context of G7 countries. Energy Economics, 120, 106582. https://doi.org/10.1016/j.eneco.2023.106582
Su, C. W., Shao, X., Jia, Z., Nepal, R., Umar, M., & Qin, M. (2023). The rise of green energy metal: Could lithium threaten the status of oil? Energy Economics, 121, 106651. https://doi.org/10.1016/j.eneco.2023.106651
Li, X., Guo, Q., Liang, C., & Umar, M. (2023). Forecasting gold volatility with geopolitical risk indices. Research in International Business and Finance, 64, 101857. https://doi.org/10.1016/j.ribaf.(2022).101857
Qin, M., Su, C.-W., Umar, M., Lobonţ, O.-R., & Manta, A. G. (2023). Are climate and geopolitics the challenges to sustainable development? Novel evidence from the global supply chain. Economic Analysis and Policy, 77, 748–763. https://doi.org/10.1016/j.eap.2023.01.002
Ji, X., Song, T., Umar, M.*, & Safi, A. (2023). How China is mitigating resource curse through infrastructural development? Resources Policy, 82, 103590. https://doi.org/10.1016/j.resourpol.2023.103590
Li, Z. Z., Su, C.-W., Moldovan, N.-C., & Umar, M. (2023). Energy consumption within policy uncertainty: Considering the climate and economic factors. Renewable Energy, 208, 567–576. https://doi.org/10.1016/j.renene.2023.03.098
Mirza, N., Umar, M.*, Afzal, A., & Firdousi, S. F. (2023). The role of fintech in promoting green finance, and profitability: Evidence from the banking sector in the euro zone. Economic Analysis and Policy, 78, 33–40. https://doi.org/10.1016/j.eap.2023.02.001
Wang, K.-H., Su, C.-W., Umar, M., & Peculea, A. D. (2023). Oil prices and the green bond market: Evidence from time-varying and quantile-varying aspects. Borsa Istanbul Review, 23(2), 516–526. https://doi.org/10.1016/j.bir.2022.12.003
Shahzad, K., Lu, B., Abdul, D., Safi, A., Umar, M., & Afridi, N. K. (2023). Assessment of biomass energy barriers towards sustainable development: Application of Pythagorean fuzzy AHP. Geological Journal, 58(4), 1607–1622. https://doi.org/10.1002/gj.4680
Su, C. W., Liu, F., Stefea, P., & Umar, M. (2023). Does technology innovation help to achieve carbon neutrality? Economic Analysis and Policy, 78, 1–14. https://doi.org/10.1016/j.eap.2023.01.010
Su, C.-W., Liu, Y., Chang, T., & Umar, M. (2023). Can gold hedge the risk of fear sentiments? Technological and Economic Development of Economy, 29(1), Article 1. https://doi.org/10.3846/tede.2022.17302
Su, C.-W., Pang, L.-D., Qin, M., Lobonţ, O.-R., & Umar, M. (2023). The spillover effects among fossil fuel, renewables and carbon markets: Evidence under the dual dilemma of climate change and energy crises. Energy, 274, 127304. https://doi.org/10.1016/j.energy.2023.127304
Su, C.-W., Umar, M.*, Kirikkaleli, D., Ayobamiji Awosusi, A., & Altuntaş, M. (2023). Testing the asymmetric effect of financial stability towards carbon neutrality target: The case of Iceland and global comparison. Gondwana Research, 116, 125–135. https://doi.org/10.1016/j.gr.2022.12.014
Umar, M., Awosusi, A. A., Adegboye, O. R., & Ojekemi, O. S. (2023). Geothermal energy and carbon emissions nexus in leading geothermal-consuming nations: Evidence from nonparametric analysis. Energy & Environment, 0958305X231153972. https://doi.org/10.1177/0958305X231153972
Addai, K., Genç, S. Y., Castanho, R. A., Couto, G., Orhan, A., Umar, M., & Kirikkaleli, D. (2023). Financial Risk and Environmental Sustainability in Poland: Evidence from Novel Fourier-Based Estimators. Sustainability, 15(7), Article 7. https://doi.org/10.3390/su15075801
Wang, K.-H., Su, C.-W., Umar, M., & Lobonţ, O.-R. (2023). Oil price shocks, economic policy uncertainty, and green finance: A case of China. Technological and Economic Development of Economy, 29(2), Article 2. https://doi.org/10.3846/tede.2022.17999
Mirza, N., Afzal, A., Umar, M.*, & Skare, M. 2023). The impact of green lending on banking performance: Evidence from SME credit portfolios in the BRIC. Economic Analysis and Policy, 77, 843–850. https://doi.org/10.1016/j.eap.(2022).12.024
Umar, M.*, Mirza, N., Rizvi, S. K. A., & Naqvi, B. (2022). ESG scores and target price accuracy: Evidence from sell-side recommendations in BRICS. International Review of Financial Analysis, 84, 102389. https://doi.org/10.1016/j.irfa.(2022).102389
Umar, M.*, Farid, S., & Naeem, M. A. (2022). Time-frequency connectedness among clean-energy stocks and fossil fuel markets: Comparison between financial, oil and pandemic crisis. Energy, 240, 122702. https://doi.org/10.1016/j.energy.2021.122702
Umar, M., Ji, X., Mirza, N., & Li, H. (2022). Crypto swings and the performance of carbon-intensive equity funds in China. Resources Policy, 78, 102786.
Umar, M.*, Mirza, N., Hasnaoui, J. A., & Rochoń, M. P. (2022). The nexus of carbon emissions, oil price volatility, and human capital efficiency. Resources Policy, 78, 102876.
Umar, M.*, Riaz, Y., & Yousaf, I. (2022). Impact of Russian-Ukraine war on clean energy, conventional energy, and metal markets: Evidence from event study approach. Resources Policy, 79, 102966.
Rizvi, S. K. A., Naqvi, B., Mirza, N., & Umar, M. (2022). Safe haven properties of green, Islamic, and crypto assets and investor’s proclivity towards treasury and gold. Energy Economics, 115, 106396. https://doi.org/10.1016/j.eneco.(2022).106396
Wang, K.-H., Su, C.-W., Umar, M., & Peculea, A. D. (2022). Oil prices and the green bond market: Evidence from time-varying and quantile-varying aspects. Borsa Istanbul Review. https://doi.org/10.1016/j.bir.(2022).12.003
Hong, Y., Wang, L., Liang, C., & Umar, M. (2022). Impact of financial instability on international crude oil volatility: New sight from a regime-switching framework. Resources Policy, 77, 102667. https://doi.org/10.1016/j.resourpol.(2022).102667
Hu, J., Wang, K.-H., Su, C. W., & Umar, M. (2022). Oil price, green innovation and institutional pressure: A China’s perspective. Resources Policy, 78, 102788.
Khan, K., Su, C. W., Khurshid, A., & Umar, M. (2022). The dynamic interaction between COVID-19 and shipping freight rates: A quantile on quantile analysis. European Transport Research Review, 14(1), 1–16.
Khan, K., Su, C.-W., Khurshid, A., & Umar, M. (2022). Are there bubbles in the vanilla price? Agricultural and Food Economics, 10(1), 1–16. https://doi.org/10.1186/s40100-022-00213-y
Khan, K., Su, C.-W., Khurshid, A., & Umar, M. (2022). COVID-19 impact on multifractality of energy prices: Asymmetric multifractality analysis. Energy, 256, 124607.
Guo, X., Liang, C., Umar, M., & Mirza, N. (2022). The impact of fossil fuel divestments and energy transitions on mutual funds performance. Technological Forecasting and Social Change, 176, 121429. https://doi.org/10.1016/j.techfore.2021.121429
Khan, K., Su, C.-W., Umar, M., & Zhang, W. (2022). Geopolitics of technology: A new battleground? Technological and Economic Development of Economy, 28(2), 442-462-442–462. https://doi.org/10.3846/tede.(2022).16028
Li, X., Li, Z., Su, C.-W., Umar, M., & Shao, X. (2022). Exploring the asymmetric impact of economic policy uncertainty on China’s carbon emissions trading market price: Do different types of uncertainty matter? Technological Forecasting and Social Change, 178, 121601. https://doi.org/10.1016/j.techfore.(2022).121601
Li, X., Su, C.-W., Li, Z., & Umar, M. (2022). What threatens stock market returns under the COVID-19 crisis in China: The pandemic itself or the media hype around it? Economic Research-Ekonomska Istraživanja, 1–22.
Liang, C., Umar, M., Ma, F., & Huynh, T. L. (2022). Climate policy uncertainty and world renewable energy index volatility forecasting. Technological Forecasting and Social Change, 182, 121810.
Muhammad, S., Pan, Y., Agha, M. H., Umar, M., & Chen, S. (2022). Industrial structure, energy intensity and environmental efficiency across developed and developing economies: The intermediary role of primary, secondary and tertiary industry. Energy, 247, 123576. https://doi.org/10.1016/j.energy.(2022).123576
Su, C.-W., Khan, K., Umar, M., & Chang, T. (2022). Renewable energy in prism of technological innovation and economic uncertainty. Renewable Energy, 189, 467–478. https://doi.org/10.1016/j.renene.(2022).02.110
Su, C.-W., Pang, L.-D., Tao, R., Shao, X., & Umar, M. (2022). Renewable energy and technological innovation: Which one is the winner in promoting net-zero emissions? Technological Forecasting and Social Change, 182, 121798.
Su, C.-W., Pang, L., Umar, M., & Lobonţ, O.-R. (2022). Will Gold Always Shine amid World Uncertainty? Emerging Markets Finance and Trade, 1–14. https://doi.org/10.1080/1540496X.(2022).2050462
Su, C.-W., Xi, Y., Tao, R., & Umar, M. (2022). Can Bitcoin be a safe haven in fear sentiment? Technological and Economic Development of Economy, 1–22. https://doi.org/10.3846/tede.(2022).15502
Su, C.-W., Xi, Y., Umar, M., & Oana-Ramona, L. (2022). Does technological innovation bring destruction or creation to the labor market? Technology in Society, 101905. https://doi.org/10.1016/j.techsoc.(2022).101905
Su, C.-W., Yuan, X., Umar, M., & Chang, T. (2022). Dynamic price linkage of energies in transformation: Evidence from quantile connectedness. Resources Policy, 78, 102886.
Wang, L., Ahmad, F., Luo, G., Umar, M., & Kirikkaleli, D. (2022). Portfolio optimization of financial commodities with energy futures. Annals of Operations Research, 313(1), 401–439.
Yang, S., Chen, Z., Umar, M., & Khursheed, A. (2022). Environmental regulation and high-quality sustainable development of China’s economy–an empirical study based on a spatial durbin model and threshold model. Economic Research-Ekonomska Istraživanja, 1–20. https://doi.org/10.1080/1331677X.(2022).2035243
Yu, B., Li, C., Mirza, N., & Umar, M. (2022). Forecasting credit ratings of decarbonized firms: Comparative assessment of machine learning models. Technological Forecasting and Social Change, 174, 121255. https://doi.org/10.1016/j.techfore.2021.121255
Yuan, X., Su, C.-W., Umar, M., Shao, X., & LobonŢ, O.-R. (2022). The race to zero emissions: Can renewable energy be the path to carbon neutrality? Journal of Environmental Management, 308, 114648. https://doi.org/10.1016/j.jenvman.(2022).114648
Zhang, L., Luo, Q., Guo, X., & Umar, M. (2022). Medium-term and long-term volatility forecasts for EUA futures with country-specific economic policy uncertainty indices. Resources Policy, 77, 102644. https://doi.org/10.1016/j.resourpol.(2022).102644
Su, C.-W., Mirza, N., Umar, M.*, Chang, T., & Albu, L. L. (2022). Resource extraction, greenhouse emissions, and banking performance. Resources Policy, 79, 103122. https://doi.org/10.1016/j.resourpol.(2022).103122
Chen, Z., Mirza, N., Huang, L., & Umar, M.* (2022). Green Banking—Can Financial Institutions support green recovery? Economic Analysis and Policy.
Shan, S., Umar, M.*, & Mirza, N. (2022). Can robo advisors expedite carbon transitions? Evidence from automated funds. Technological Forecasting and Social Change, 180, 121694. https://doi.org/10.1016/j.techfore.(2022).121694
Su, C. W., Chen, Y., Hu, J., Chang, T., & Umar, M.* (2022). Can the green bond market enter a new era under the fluctuation of oil price? Economic Research-Ekonomska Istraživanja, 0(0), 1–26. https://doi.org/10.1080/1331677X.(2022).2077794
Su, C.-W., Li, W., Umar, M.*, & Lobonţ, O.-R. (2022). Can green credit reduce the emissions of pollutants? Economic Analysis and Policy, 74, 205–219. https://doi.org/10.1016/j.eap.(2022).01.016
Su, C.-W., Meng, X.-L., Tao, R., & Umar, M.* (2022). Chinese consumer confidence: A catalyst for the outbound tourism expenditure? Tourism Economics, 13548166211065250. https://doi.org/10.1177/13548166211065250
Su, C.-W., Pang, L., Umar, M.*, Lobonţ, O.-R., & Moldovan, N.-C. (2022). Does gold’s hedging uncertainty aura fade away? Resources Policy, 77, 102726. https://doi.org/10.1016/j.resourpol.(2022).102726
Su, C.-W., Rizvi, S. K. A., Naqvi, B., Mirza, N., & Umar, M.* (2022). COVID19: A blessing in disguise for European stock markets? Finance Research Letters, 49, 103135.
Su, C.-W., Umar, M.*, & Chang, T. (2022). How consumer confidence is reshaping the outbound tourism expenditure in China? A lesson for strategy makers! Economic Research-Ekonomska Istraživanja, 36(1), 1–19.
Su, C.-W., Umar, M.*, & Gao, R. (2022). Save the environment, get financing! How China is protecting the environment with green credit policies? Journal of Environmental Management, 323, 116178.
Xu, Y., Umar, M.*, Kirikkaleli, D., Adebayo, T. S., & Altuntaş, M. (2022). Carbon Neutrality Target in Turkey: Measuring the Impact of Technological Innovation and Structural Change. Gondwana Research. https://doi.org/10.1016/j.gr.(2022).04.015
Yang, S., & Umar, M.* (2022). How globalization is reshaping the environmental quality in G7 economies in the presence of renewable energy initiatives? Renewable Energy, 193, 128–135. https://doi.org/10.1016/j.renene.(2022).05.006
Yousaf, I., Nekhili, R., & Umar, M.* (2022). Extreme connectedness between renewable energy tokens and fossil fuel markets. Energy Economics, 106305.
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., 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., Mirza, N., & Naqvi, B. (2021). Carbon neutrality, bank lending, and credit risk: Evidence from the Eurozone. Journal of Environmental Management, 296, 113156. https://doi.org/10.1016/j.jenvman.2021.113156
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., 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., 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., 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
Akram, R., & Umar, M.* (2021). Dynamic Linkages between Energy Efficiency, Renewable Energy Along with Economic Growth and Carbon Emission. A Case of MINT Countries an Asymmetric Analysis. Renewable Energy Along with Economic Growth and Carbon Emission. A Case of MINT Countries an Asymmetric Analysis (June 29, 2021). http://dx.doi.org/10.2139/ssrn.3870971
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
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. https://doi.org/10.1016/j.spc.2021.02.020
Ji, X., Chen, X., Mirza, N., & Umar, M.* (2021). Sustainable energy goals and investment premium: Evidence from renewable and conventional equity mutual funds in the Euro zone. Resources Policy, 74, 102387. https://doi.org/10.1016/j.resourpol.2021.102387
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.-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. https://doi.org/10.1016/j.spc.2020.11.008
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
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., Huang, S.-W., Qin, M., & Umar, M.* (2021). Does crude oil price stimulate economic policy uncertainty in BRICS? Pacific-Basin Finance Journal, 66, 101519. https://doi.org/10.1016/j.pacfin.2021.101519
Su, C.-W., Qin, M., Rizvi, S. K. A., & Umar, M.* (2021). Bank competition in China: A blessing or a curse for financial system? Economic Research-Ekonomska Istraživanja, 34(1), 1244–1264. https://doi.org/10.1080/1331677X.2020.1820361
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
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(1), 79–88.
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
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
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
Yan, L., Mirza, N., & Umar, M.* (2021). The cryptocurrency uncertainties and investment transitions: Evidence from high and low carbon energy funds in China. Technological Forecasting and Social Change, 121326. https://doi.org/10.1016/j.techfore.2021.121326
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
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, 1–21. https://doi.org/10.1007/s10651-021-00500-9
Chen, Z., Liang, C., & Umar, M. (2021). Is investor sentiment stronger than VIX and uncertainty indices in predicting energy volatility? Resources Policy, 74, 102391. https://doi.org/10.1016/j.resourpol.2021.102391
Gao, X., Ren, Y., & Umar, M. (2021). To what extent does COVID-19 drive stock market volatility? A comparison between the US and China. Economic Research-Ekonomska Istraživanja, 1–21. https://doi.org/10.1080/1331677X.2021.1906730
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
Khan, K., Su, C.-W., Tao, R., & Umar, M. (2021). How do geopolitical risks affect oil prices and freight rates? Ocean & Coastal Management, 215, 105955. https://doi.org/10.1016/j.ocecoaman.2021.105955
Khan, K., Su, C.-W., Tao, R., & Umar, M. (2021). How often do oil prices and tanker freight rates depend on global uncertainty? Regional Studies in Marine Science, 48, 102043. https://doi.org/10.1016/j.rsma.2021.102043
Khan, K., Su, C.-W., Umar, M., & Yue, X.-G. (2021). Do crude oil price bubbles occur? Resources Policy, 71, 101936. https://doi.org/10.1016/j.resourpol.2020.101936
Su, C. W., Meng, X.-L., Tao, R., & Umar, M. (2021). Policy turmoil in China: A barrier for FDI flows? International Journal of Emerging Markets. https://doi.org/10.1108/IJOEM-03-2021-0314
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., 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., Qin, M., Zhang, X.-L., Tao, R., & Umar, M. (2021). Should Bitcoin be held under the US partisan conflict? Technological and Economic Development of Economy, 27(3), 511–529. 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
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
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
Sun, T.-T., Tao, R., Su, C.-W., & Umar, M. (2021). How do economic fluctuations affect the mortality of infectious diseases? Frontiers in Public Health, 9, 411. https://doi.org/10.3389/fpubh.2021.678213
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, 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
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. (2021). Can fiscal decentralisation regulate the impact of industrial structure on energy efficiency? Economic Research-Ekonomska Istraživanja, 34(1), 1727–1751. https://doi.org/10.1080/1331677X.2020.1845969
Wang, Q.-S., Su, C.-W., Hua, Y.-F., & Umar, M. (2021). How can new energy vehicles affect air quality in China?—From the perspective of crude oil price. Energy & Environment, 0958305X211044388. https://doi.org/10.1177/0958305X211044388
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
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(6), 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
Jianqiang, G. U., 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
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(24), 9242. https://doi.org/10.3390/ijerph17249242
Li, Z. Z., SU, C.-W., QIN, M., & UMAR, M. (2020). Who is the chaser in cryptocurrencies? The Singapore Economic Review, 1–22. https://doi.org/10.1142/S0217590820470049
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
Qui, M., Qui, L.-H., Umar, M., Su, C.-W., & Jiao, W. (2020). The inevitable role of El Ni~ no: A fresh insight into the oil market. Economic Research-Ekonomska Istraživanja, 33(1), 1943–1962. https://doi.org/10.1080/1331677X.2020.1768428
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
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., 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). 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., 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
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. In CICTP 2020 (pp. 2964–2974). https://doi.org/10.1061/9780784483053.250
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 and Pollution Research, 27(29), 36541–36569. https://doi.org/10.1007/s11356-020-09498-2