Charles Saba and Nicholas Ngepah (2022). Convergence in renewable energy sources and the dynamics of their determinants: An insight from a club clustering algorithm. Energy Reports, Udeagha, M. C., & Ngepah, N. (2021). Does trade openness mitigate the environmental degradation in South Africa?. Environmental Science and Pollution Research, 1-26. Saba, C. S., & Ngepah, N. (2020) Nexus between defence spending, economic growth and development: evidence from a disaggregated panel data analysis. Economic Change and Restructuring, 1-43. Ngundu, M., & Ngepah, N. (2021) The Impact of China, the EU, and the US on Africa through the Lens of Output Growth and FDI. Frontiers of Economics in China, 16(3), 548-568. Espoir, D. K., & Ngepah, N. (2021) The effects of inequality on total factor productivity across districts in South Africa: a spatial econometric analysis. GeoJournal, 86(6), 2607-2638. Udeagha, M. C., & Ngepah, N. (2021) Disaggregating the environmental effects of renewable and non-renewable energy consumption in South Africa: fresh evidence from the novel dynamic ARDL simulations approach. Economic Change and Restructuring, 1-48. Ngepah, N., Nkosi, P. N., Mouteyica, A. N., & Saba, C. S. (2021) The impact of freight infrastructure investment on employment in South Africa. Development Southern Africa, 1-19. Espoir, D. K., & Ngepah, N. (2021) Income distribution and total factor productivity: a cross-country panel cointegration analysis. International Economics and Economic Policy, 18(4), 661-698. Saba, C. S., & Ngepah, N. (2021). Analysis of convergence in transport infrastructure: a global evidence. European Journal of Transport and Infrastructure Research, 21(2), 137-160. Saba, C. S., & Ngepah, N. (2021) Military expenditure, security outcome and industrialisation in Africa: Evidence from a panel data analysis. African Security Review, 30(2), 204-222. Saba, C. S., & Ngepah, N. (2021) ICT Diffusion, industrialisation and economic growth nexus: An international cross-country analysis. Journal of the Knowledge Economy, 1-40. Ngepah, N. (2021) What lessons can Africa learn from the social determinants of COVID‐19 spread, to better prepare for the current and future pandemics in the continent?. African Development Review, 33, S45-S59. Udeagha, M. C., & Ngepah, N. (2021) The asymmetric effect of trade openness on economic growth in South Africa: a nonlinear ARDL approach. Economic Change and Restructuring, 54(2), 491-540. Ngepah, N., Saba, C. S., & Mabindisa, N. G. (2021). Human capital and economic growth in South Africa: A cross-municipality panel data analysis. South African Journal of Economic and Management Sciences, 24(1), 1-11. Ngepah, N. (2021) Socio-economic determinants of global COVID-19 mortalities: policy lessons for current and future pandemics. Health Policy and Planning, 36(4), 418-434. Espoir, D. K., & Ngepah, N. (2020). Espoir, D. K., & Ngepah, N. (2020). Effects of inequality on total factor productivity: exploring the technical efficiency channel in South Africa. African Journal of Business and Economic Research, 15(4), 97. Ngundu, M., & Ngepah, N. (2020). Comparative Effects of Foreign Direct Investment from China and Other Sources on Africa’s Economic Growth. Margin: The Journal of Applied Economic Research, 14(4), 382-408. Sunge, R., & Ngepah, N. (2020). The Impact of Agricultural Trade Liberalization on Agricultural Total Factor Productivity Growth in Africa. International Economic Journal, 34(4), 571-598. Saba, C. S., & Ngepah, N. (2020)e Convergence in military expenditure and economic growth in Africa and its regional economic communities: evidence from a club clustering algorithm. Cogent Economics & Finance, 8(1), 1832344. Espoir, D. K., & Ngepah, N. (2021). The effects of inequality on total factor productivity across districts in South Africa: a spatial econometric analysis. GeoJournal, 86(6), 2607-2638. Ngundu, M., & Ngepah, N. (2020). Foreign Direct Investment, Human Capital and Economic Growth in Africa: A Panel Threshold Regression Approach. Eurasian Journal of Economics and Finance, 8(2), 115-129. Ohonba, A., Ngepah, N., & Simo-Kengne, B. D. (2020). A Dynamic Analysis of Maternal Fertility Choices and Child Health in South Africa. The Journal of Developing Areas, 54(3). Ngundu, M., & Ngepah, N. (2019). The impact of China’s FDI and FDI from other sources on growth in Sub-Sahara Africa through export upgrading. Studies in Economics and Econometrics, 43(3), 1-29. Udeagha, M. C., & Ngepah, N. (2020). Trade liberalization and the geography of industries in South Africa: fresh evidence from a new measure. International Journal of Urban Sciences, 24(3), 354-396 Saba, C. S., & Ngepah, N. (2019). A cross-regional analysis of military expenditure, state fragility and economic growth in Africa. Quality & Quantity, 53(6), 2885-2915. Saba, C. S., & Ngepah, N. (2019). Military expenditure and economic growth: evidence from a heterogeneous panel of African countries. Economic research-Ekonomska istraživanja, 32(1), 3586-3606 Saba, C. S., & Ngepah, N. (2020). Military expenditure and security outcome convergence in African regional economic communities: evidence from the convergence club algorithm. Peace Economics, Peace Science and Public Policy, 26(1). Saba, C. S. (2019) Essay on Military Expenditure, Industrialisation and Economic Growth in Africa. University of Johannesburg (South Africa). Udeagha, M. C., & Ngepah, N. (2019). Revisiting trade and environment nexus in South Africa: fresh evidence from new measure. Environmental Science and Pollution Research, 26(28), 29283-29306. Ngundu, M., & Ngepah, N. (2019) Growth effects of Foreign Direct Investment (FDI) from China and other sources in Africa: The role of institutional quality. Journal of Economics and Business, 2(3). Ngepah, N., & Udeagha, M. C. (2019). Supplementary trade benefits of multi-memberships in African regional trade agreements. Journal of African Business, 20(4), 505-524. Sunge, R., & Ngepah, N. (2020) Agricultural trade liberalization, regional trade agreements and agricultural technical efficiency in Africa. Outlook on Agriculture, 49(1), 66-76. Saba, C. S., & Ngepah, N. (2020) Empirical analysis of military expenditure and industrialisation nexus: A regional approach for Africa. International Economic Journal, 34(1), 58-84. Saba, C. S., & Nicholas, N. (2018). Military Expenditure, Industrialisation, and Economic Growth in Africa: Evidence from a Panel Causality Analysis. African Journal of Business & Economic Research, 13(3). Ohonba, A., Ngepah, N., & Simo-Kengne, B. (2019) Maternal education and child health outcomes in South Africa: A panel data analysis. Development Southern Africa, 36(1), 33-49. Ngepah, N., & Udeagha, M. C. (2018). African regional trade agreements and intra-African trade. Journal of Economic Integration, 33(1), 1176-1199 Ngepah, N. (2017) A review of theories and evidence of inclusive growth: an economic perspective for Africa. Current Opinion in Environmental Sustainability, 24, 52-57. Ngepah, N. N. (2014) International trade and agricultural production: Evidence from the Southern African Development Community sub-region. Development Southern Africa, 31(3), 494-514. Ngepah, N. N. (2013). The role of South African government policies in economic growth, inequality and poverty. Ngepah, N. (2012) Long life and Productivity in South Africa: long burdensome or long healthy?. African Development Review, 24(4), 371-387. Ngepah, N. (2011). Energy, Inequality and Pro-poor Economic Growth in South Africa. Ngepah, N. (2011) Exploring the impact of energy sources on production, inequality and poverty in simultaneous equations models for South Africa. African Development Review, 23(3), 335-351. Ngepah, N. (2010). Inequality and agricultural production: Evidence from aggregate agriculture and sugarcane farms in South Africa. African Journal of Agricultural and Resource Economics, 5(311-2016-5551), 353-371. 10.22004/ag.econ.156671 Ngepah, N. (2010) Socio-economic Impacts of Biofuels: Methodologies and Case Study Examples. Ngepah, N. (2008) Biofuel production in South Africa, Mozambique, Malawi and Zambia: A status quo analysis of the social, economic and biophysical elements of the biofuel industry in Southern Africa. Ngepah, N. N. (2010) Comparative analysis of poverty effects of various candidate biofuel crops in South Africa. Journal of Development and Agricultural Economics, 3(2), 26-34. Saba, C. S., & David, O. O. (2022) Identifying Convergence in Telecommunication Infrastructures and the Dynamics of Their Influencing Factors Across Countries. Journal of the Knowledge Economy, 1-54. Saba, C. S. (2021) An investigation of security outcome convergence and the dynamics of their influencing factors in Africa. African Security Review, 30(4), 473-494. Saba, C. S. (2021) Defence Spending and Economic Growth in South Africa: Evidence from Cointegration and Co-Feature Analysis. Peace Economics, Peace Science and Public Policy. Saba, C. S. (2021) Convergence and transition paths in transportation: Fresh insights from a club clustering algorithm. Transport policy, 112, 80-93. Saba, C. S. (2020). Security as an outcome for promoting economic prosperity in the regional economic communities of Africa: Evidence from a panel data analysis. African Security Review, 29(4), 376-400. Saba, C. S., & David, O. O. (2020) Convergence patterns in global ICT: Fresh insights from a club clustering algorithm. Telecommunications Policy, 44(10), 102010. Saba, C. S. (2021) Convergence or divergence patterns in global defence spending: further evidence from a nonlinear single factor model. Peace economics, peace science and public policy, 27(1), 51-90. Saba, C. S. (2020). Military Expenditure and Security Outcome Convergence in Africa: An Application of the Club Clustering Approach. African Security, 13(3), 260-295. Saba, C. S., & Ngepah, N. (2022) Employment impact of national, provincial and local government capital in South Africa: An aggregate and sectoral perspective. Cogent Economics & Finance 10(1)
