Research

Trade, Value Chains, & Production Networks

• • Patent enforcement and the quality upgrading of exported products. 

Journal of the Knowledge Economy, 2024.

• • Learning-by-exporting in South Africa: The influence of global value chain (GVC) participation and technological capability. 

African Journal of Science, Technology, Innovation and Development, 2024. 

(with Caio Mazzi & Elvis Avenyo) [Working paper].

• • Trade for catch-up: Examining how global value chains participation affects productive efficiency. 

Journal of Productivity Analysis, 2023, 59, 195-215.

(with Solomon Owusu)

• • Wage effects of global value chains participation and position: An industry-level analysis. 

Journal of International Trade and Economic Development, 2022, 31(7), 1086-1107. 

(with Solomon Owusu) [Working paper]. 

• Trust, efficient contracting and export upgrading. 

European Journal of Development Research, 2022, 34, 2078-2729. 

(with Solomon Owusu)

• • Sub-Saharan Africa’s prospect of economic development through global supply chain. 

In Sustainable Global Supply Chains Report, 2022.

(with Solomon Owusu)

• • How important is global value chain participation for export upgrading. 

The World Economy, 2021, 44(10), 2887-2908. 

(with Solomon Owusu)[Working paper]

• • Financial constraints, trust and export performances: Firm-level evidence from Africa. 

Journal of Institutional Economics, 2021, 17(4), 583-605. 

(with Maty Konte)  [Older version] [Online appendix]

• • Contractual frictions and the patterns trade: The role of generalized trust. 

Journal of International Trade and Economic Development, 2021, 29(7), 775-796. [Working paper]

• Fettered cross-border capital flows, external finance dependence, and international trade. 

International Economics, 2020, 164, 206-216.

Production Structure & Structural Change

• Too big to be ignored: How energy poverty undermines productive efficiency. 

Energy Policy, 2023, 181, 113733 

(with Denis Yuni, Christian Urom, & IIyes Abid)

• ICTs quality and technical efficiency: An empirical analysis. 

Telecommunications Policy, 2022, 46(10), 102439. 

(with Chuks Otioma, Solomon Owusu, & Godsway K. Tetteh)

• Renewable energy consumption, globalization and economic growth shocks: Evidence from G7 countries. 

Journal of International Trade and Economic Development, 2022, 31(2), 204-232.

(with Christian Urom, IIyes Abid, & Khaled Guesmi)

• Digital infrastructure and employment in services: Evidence from Sub-Saharan African countries. 

Telecommunications Policy, 2021, 45(8), 102153. 

(with Chuks Otioma & Godsway K. Tetteh) 

• Trust and R&D investment: Evidence from OECD countries.  

Journal of Institutional Economics, 16(6), 809-83. [Working paper]

Financial & Commodity Markets

• Global macroeconomic factors and the connectedness among NFTs and (un)conventional assets. 

Research in International Business and Finance, forthcoming

(with Christian Urom)

• Exploring the coherency and predictability between the stocks of artificial intelligence and energy corporations

Financial Innovation, forthcoming

(with Christian Urom, Hela Mzoughi, & Khaled Guesmi)

• Do geopolitical risks and global market factors influence the dynamic dependence among regional sustainable investments and major commodities? 

Quarterly Review of Economics and Finance, 2023, 91, 94-111. 

(with Christian Urom) 

• PGP for portfolio optimization: Application to ESG index family. 

Annals of Operations Research, 2023. 

(with IIyes Abid, Christian Urom, Jonathan Peillex, & Majdi Karmani)

• The dependence and risk spillover among clean cryptocurrencies prices and media environmental attention. 

Research in International Business and Finance, 2023, 65, 101953. 

(with Christian Urom) 

• Directional predictability and time-frequency spillovers among clean energy sectors and oil price uncertainty. 

Quarterly Review of Economics and Finance, 2022, 85, 326-341. 

(with Christian Urom, Hela Mzoughi, & Khaled Guesmi)

• Quantile co-movement and dependence between energy-focused sectors and artificial intelligence. 

Technological Forecasting and Social Change, 2022, 183, 121842. 

(with Christian Urom, Khaled Guesmi, & Ramzi Benkraien)

• Global commodity and equity markets spillovers to Africa during the COVID-19 pandemic. 

Emerging Market Review, 2022, 100948.

(with Christian Urom, Gaye Del Lo, & Denis Yunis)

• Dynamic dependence and predictability between volume and return of NFTs: The roles of Market factors and geopolitical risks. 

Finance Research Letters, 2022, 50, 103188. 

(with Christian Urom & Khaled Guesmi)

• How do financial and commodity markets volatility react to real economic activity? 

Finance Research Letters, 2022, 102733. 

(with Christian Urom & Khaled Guesmi)

• Economic sentiment and climate transition during the COVID-19 pandemic. 

In Financial Market Dynamics, 2022, pp. 101-121. 

(with Denis Yuni & Ernest N. Tingum)

• Economic activity, financial and commodity markets' shocks: An analysis of implied volatility indexes. 

International Economics, 2021, 165, 51-66. 

(with Christian Urom & Jude Ozor)

Institutions, Economic Development, & Socio-Technical Change

• Remittance dependence, support for taxation and quality of public services in Africa. 

Journal of Institutional Economics, 2024. 

(with Maty Konte) [Working Paper]

• Remittances and bribery in Africa. 

In Migration, Remittances, and Sustainable Development in Africa, 2020, pp, 179-198. 

(with Maty Konte) [Working paper]