Quantitative finance, Empirical finance, Nonlinear dynamics, Cryptocurrency, NFTs, FinTech, Asset Pricing, Machine learning, Natural Language Processing

• Sulong, Z., Fuszder, M. H. R., Abdullah, M., & Abakah, E. J. A. (2025). Cybersecurity risk and bank risk-taking. Journal of Behavioral and Experimental Finance, 101080. https://doi.org/10.1016/j.jbef.2025.101080

• Abdullah, M., Ullah, G. W., & Turner, J. (2025). 50 shades of dark green: The nexus of narcissistic leadership and corporate greenwashing. International Review of Financial Analysis, 104, 104220.  https://doi.org/10.1016/j.irfa.2025.104220 

• Chowdhury, M. A. F., Abdullah, M., Abakah, E. J. A., & Tiwari, A. K. (2025). Examining the role of geopolitical risk on energy market tail risk forecasting using explainable machine learning. Journal of Commodity Markets, 100478. https://doi.org/10.1016/j.jcomm.2025.100478

• Ullah, G. W., Khan, I., & Abdullah, M. (2025). Corporate culture and trade credit. International Review of Financial Analysis, 103, 104178. https://doi.org/10.1016/j.irfa.2025.104178 

• Abakah, E. J. A., Abdullah, M., Akinsomi, O., & Tiwari, A. K. (2025). Geopolitical risk and real estate stock crash. Finance Research Letters, 80, 107333. https://doi.org/10.1016/j.frl.2025.107333 

• Ullah, G. W., Bonsu, C. O., Abdullah, M., & Dey, S. K. (2025). Customer Concentration and the Readability of 10-K Reports. The British Accounting Review, 101635.  https://doi.org/10.1016/j.bar.2025.101635

• Owusu, F. B., Abdullah, M., Lee, C. C., & Gyeke-Dako, A. (2025). Firm carbon risk exposure and financial stability. Finance Research Letters, 107204.  https://doi.org/10.1016/j.frl.2025.107204

• Abdullah, M., Chowdhury, M. A. F., & Ullah, G. W. (2025). Asymmetric tail risk dynamics, efficiency and risk spillover among FinTech stocks, cryptocurrencies and traditional assets. Global Finance Journal, 64, 101082. https://doi.org/10.1016/j.gfj.2025.101082

• Roy, T., Bhuiyan, R. A., Ahmed, S. U., & Abdullah, M. (2024). Geopolitical conflict and firm bankruptcy risk. Finance Research Letters, 106005. https://doi.org/10.1016/j.frl.2024.106005

• Abakah, E. J. A., Tiwari, A. K., Abdullah, M., Ji, Q., & Sulong, Z. (2024). Monetary policy uncertainty and ESG performance across energy firms. Energy Economics, 107699.  https://doi.org/10.1016/j.eneco.2024.107699

• Abdullah, M., Tiwari, A. K., Hossain, M. R., & Abakah, E. J. A. (2024). Geopolitical risk and firm-level environmental, social and governance (ESG) performance. Journal of Environmental Management, 363, 121245. https://doi.org/10.1016/j.jenvman.2024.121245

• Sulong, Z., Chowdhury, M. A. F., Abdullah, M., & Hall, C. M. (2024). Constructing sustainable halal tourism composite performance index for the global halal tourism industry. Asia Pacific Journal of Tourism Research, 1–17. https://doi.org/10.1080/10941665.2024.2350413. Dataset.

• Abdullah, M., Sarker, P. K., Abakah, E. J. A., Tiwari, A. K., & Rehman, M. Z. (2024). Tail risk intersection between tech-tokens and tech-stocks. Global Finance Journal, 100989. https://doi.org/10.1016/j.gfj.2024.100989

• Wali Ullah, G. M., Cavoli, T., Khan, I., & Abdullah, M. (2024). The Impact of Social Capital on Major Customer Supply Chain Power. Economics Letters. Volume 238, 111725. https://doi.org/10.1016/j.econlet.2024.111725

• Abdullah, M., Sulong, Z., and Chowdhury, M. A. F. (2024). Explainable deep learning model for stock price forecasting using textual analysis. Expert Systems with Applications, Volume 249, Part C, 123740. https://doi.org/10.1016/j.eswa.2024.123740.  Dataset.

• Abakah, E. J. A., Abdullah, M., Dankwah, B., & Lee, C. C. (2024). Asymmetric dynamics between the Baltic Dry Index and financial markets during major global economic events. The North American Journal of Economics and Finance, Volume 72, 102126. https://doi.org/10.1016/j.najef.2024.102126

• Abakah, E. J. A., Wali Ullah, G., Abdullah, M., Lee, C. C., & Sulong, Z. (2024). Correlation structure between fiat currencies and blockchain assets. Finance Research Letters, Volume 62, Part A, 105114. https://doi.org/10.1016/j.frl.2024.105114

• Abakah, E. J. A., Abdullah, M., Tiwari, A. K., & Wali Ullah, G. (2024). Asymmetric dynamics between geopolitical conflict sentiment and cryptomarkets. Research in International Business and Finance, 102273. https://doi.org/10.1016/j.ribaf.2024.102273

• Tiwari, A. K., Abakah, E. J. A., Abdullah, M., Adeabah, D., & Sahay, V. S. (2024). Time-varying relationship between international monetary policy and energy markets. Energy Economics, 131, 107339. https://doi.org/10.1016/j.eneco.2024.107339

• Abakah, E. J. A., Abdullah, M., Yousaf, I., Tiwari, A. K., & Li, Y. (2024). Economic sanctions sentiment and global stock markets. Journal of International Financial Markets, Institutions and Money, 91, 101910. https://doi.org/10.1016/j.intfin.2023.101910

• Abakah, E. J. A., Hossain, S., Abdullah, M., & Goodell, J. W. (2024). Global uncertainty factors and price connectedness between US electricity and blockchain markets: Findings from an R-square connectedness approach. Finance Research Letters, 104693. https://doi.org/10.1016/j.frl.2023.104693

• Chowdhury, M. A. F., Prince, E. R., Shoyeb, M., & Abdullah, M. (2024). The threshold effect of institutional quality on sovereign debt and economic stability. Journal of Policy Modeling, 46(1), 39-59 . https://doi.org/10.1016/j.jpolmod.2023.12.001

• Abdullah, M., Abakah, E. J. A., Wali Ullah, G.M., Tiwari, A. K., & Khan, I. (2023). Tail risk contagion across electricity markets in crisis periods. Energy Economics, https://doi.org/10.1016/j.eneco.2023.107100 

• Chowdhury, M. A. F., Abdullah, M., Azad, ATM., Sulong, Z., & Islam, M.N. (2023). Environmental, Social and Governance (ESG) Rating Prediction Using Machine Learning Approaches. Annals of Operations Research. https://doi.org/10.1007/s10479-023-05633-7 

• Sulong, Z., Abdullah, M., Adeabah, D., Abakah, E. J. A., & Asongu, S. (2023). Russia-Ukraine war and G7 debt markets: Evidence from public sentiment towards economic sanctions during the conflict. International Journal of Finance and Economics. https://doi.org/10.1002/ijfe.2887 

• Abakah, E. J. A., Adeabah, D., Tiwari, A. K., and Abdullah, M. (2023). Effect of Russia–Ukraine war sentiment on blockchain and FinTech stocks. International Review of Financial Analysis. https://doi.org/10.1016/j.irfa.2023.102948 .  Dataset.

• Wali Ullah, G.M., Khan, I. & Abdullah, M. (2023). Managerial ability and climate change exposure. International Journal of Managerial Finance. https://doi.org/10.1108/IJMF-12-2022-0551

• Chowdhury, M. A. F., Abdullah, M., Nazia, N. N. C., & Roy, D. (2023). The nonlinear and threshold effects of IT investment on the banking sector of Bangladesh. Economic Change and Restructuring, 1-31. https://doi.org/10.1007/s10644-023-09541-5

• Abdullah, M., Adeabah, D., Abakah, E. J. A., & Lee, C. C. (2023). Extreme return and volatility connectedness among real estate tokens, REITs, and other assets: The role of global factors and portfolio implications. Finance Research Letters, 104062. https://doi.org/10.1016/j.frl.2023.104062

• Abakah, E. J. A., Ullah, G. M. W., Adekoya, O. B., Bonsu, C. O., & Abdullah, M. (2023). Blockchain market and eco-friendly financial assets: Dynamic price correlation, connectedness and spillovers with portfolio implications. International Review of Economics & Finance, 87, 218-243. https://doi.org/10.1016/j.iref.2023.04.028

• Chowdhury, M. A. F., Abdullah, M., Alam, M., Abedin, M. Z., & Shi, B. (2023). NFTs, DeFi, and Other Assets Efficiency and Volatility Dynamics: An Asymmetric Multifractality Analysis. International Review of Financial Analysis, 81, 102642. https://doi.org/10.1016/j.irfa.2023.102642

• Abdullah, M., Chowdhury, M. A. F., Uddin, A., & Moudud-Ul-Huq, S. (2023). Forecasting nonperforming loans using machine learning. Journal of Forecasting, 1– 26. https://doi.org/10.1002/for.2977

• Alam, M., Chowdhury, M. A. F., Abdullah, M.,  & Masih, M. (2023). Volatility spillover and connectedness among REITs, NFTs, cryptocurrencies and other assets: Portfolio implications. Investment Analysts Journal. https://doi.org/10.1080/10293523.2023.2179161

• Abdullah, M., Chowdhury, M. A. F., & Sulong, Z. (2023). Asymmetric efficiency and connectedness among green stocks, halal tourism stocks, cryptocurrencies, and commodities: Portfolio hedging implications. Resources Policy, 81, 103419. https://doi.org/10.1016/j.resourpol.2023.103419

• Chowdhury, M. A. F., Abdullah, M., & Masih, M. (2022). COVID-19 Government Interventions and Cryptocurrency Market: Is There Any Optimum Portfolio Diversification? Journal of International Financial Markets. Institutions & Money, 81, 101691. https://doi.org/10.1016/j.intfin.2022.101691 

• Sulong, Z., Abdullah, M., & Chowdhury, M. A. F. (2022). Halal tourism demand and firm performance forecasting: New evidence from machine learning. Current Issues in Tourism. https://doi.org/10.1080/13683500.2022.2145458 

• Abdullah, M., Wali Ullah, G. M., & Chowdhury, M. A. F. (2022). The asymmetric effect of COVID-19 government interventions on global stock markets: New evidence from QARDL and threshold regression approaches. Investment Analysts Journal, 51(4), 268-288.  https://doi.org/10.1080/10293523.2022.2112665 

• Ahmed, S. U., Ahmed, S. P., Abdullah, M., & Karmaker, U. (2022). Do socio-political factors affect investment performance?. Cogent Economics & Finance, 10(1), 2113496.  https://doi.org/10.1080/23322039.2022.2113496

• Abdullah, M. (2021). The implication of machine learning for financial solvency prediction: an empirical analysis on public listed companies of Bangladesh. Journal of Asian Business and Economic Studies, 28(4), 303-320. https://doi.org/10.1108/JABES-11-2020-0128 

• Ahmed, S. U., Abdullah, M., & Ahmed, S. P. (2017). Linkage between corporate social performance and stock return: An evidence from financial sector of Bangladesh. The Journal of Developing Areas, 51(2), 287-299.  https://doi.org/10.1353/jda.2017.0045 

• Abdullah, M., Wali Ullah, G. M., Sulong, Z., & Fuszder, H. R. (2025). The Impact of Fintech on Global Entrepreneurship and Business Development. In The Palgrave Handbook of Breakthrough Technologies in Contemporary Organisations (pp. 399-414). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-96-2516-1_31

• Chowdhury, M. A. F., Abdullah, M., & Haque, M. M. (2025). Debt-Driven Economic Crisis Prediction for OIC Countries: A Machine Learning Approach. In Islamic Economics and Financial Crisis (pp. 91-115). Routledge.  https://doi.org/10.4324/9781003500223

• Tiwari, A. K., Abakah, E. J. A., Abdullah, M., & Sulong, Z. (2023). What investors need to know about forecasting stock market return volatility using artificial intelligence. Reference Module in Social Sciences. https://doi.org/10.1016/B978-0-44-313776-1.00143-4

• Nunoo, J., Abdullah, M., Adeabah, D., Abakah, E. J. A., & Sulong, Z. (2024). Reinvigorating Sustainable Rural Development with Financial Inclusion: A Case of Women's Empowerment. In Financial Inclusion and Sustainable Rural Development (pp. 257-278). Singapore: Springer Nature Singapore.  https://doi.org/10.1007/978-981-97-6132-6_11 

• Sulong, Z., and Chowdhury, M. A. F. , Abdullah, M., Hall C.M. (2024). Constructing sustainable halal tourism composite performance index for the global halal tourism industry. Available at SSRN: https://ssrn.com/abstract=4711328 or http://dx.doi.org/10.2139/ssrn.4711328. Dataset

• Abdullah, M., and Chowdhury, M.A.F., Sulong, Z., & Masih, R. (2023) Explainable Sentiment-Based Tail Risk Connectedness Portfolio Optimization Using Deep Reinforcement Learning. Available at SSRN: https://ssrn.com/abstract=4627988 or http://dx.doi.org/10.2139/ssrn.4627988

• Bakather, A. A., Chowdhury, M.A.F., Al-Bashrawi, M. A.,  & Abdullah, M. (2023). Time-Frequency Dynamics of Public Sentiment Transmission in GCC Equity Markets: Evidence from Textual Analysis. Available at SSRN: https://ssrn.com/abstract=4596124 or http://dx.doi.org/10.2139/ssrn.4596124

• Abakah, E.J.A., Chowdhury, M.A.F., Abdullah, M., & Hammoudeh, S. M. (2023). Energy Tokens and Green Energy Markets Under Crisis Periods:  a Quantile Downside Tail Risk Dependence Analysis. Available at SSRN: https://ssrn.com/abstract=4593849 or http://dx.doi.org/10.2139/ssrn.4593849

• Abdullah, M., Sulong, Z., and Chowdhury, M. A. F. (2023). Explainable Deep Learning Model for Stock Price Forecasting Using Textual Analysis. Available at SSRN: https://ssrn.com/abstract=4355596 or http://dx.doi.org/10.2139/ssrn.4355596. Dataset.

• Abakah, E. J. A., Adeabah, D., Tiwari, A. K., & Abdullah, M. (2023). Analyzing the Effect of Public Sentiment Towards Economic Sanctions News during Russia-Ukraine Conflict on Blockchain Market and Fintech Industry . Available at SSRN: https://ssrn.com/abstract=4359071 or http://dx.doi.org/10.2139/ssrn.4359071.  Dataset.

• Abdullah, M. (2022). Tail risk diversification using deep path integrals reinforcement learning . Available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4290075

• Barriers and drivers of blockchain adoption in emerging markets. Funder: Ethereum Foundation [Grant ID: FY23-1025]. Ongoing.

• Social Media and Equity Market: Twitter- Based Sentiment Index for GCC Region. Funder: IRC for Finance & Digital Economy, King Fahd University of Petroleum & Minerals [Project No: INFE2202]. Completed.

• A proposed framework for state level tourism income forecasting model using multi-source big data analytics: A case of Terengganu. Funder: Universiti Sultan Zainal Abidin, Malaysia [Project No: RR428]. Completed.