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All Journal Indonesian Journal of Education and Social Humanities Journal of Social Sciences and Economics Humanities Horizon Journal
Okpalanwabude, Ifeoma Florence
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Humanities Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences Other

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The impact of population growth on food production in Nigeria: An empirical analysis Okpalanwabude, Ifeoma Florence
Humanities Horizon Vol. 2 No. 2 (2025)
Publisher : PT. Pena Produktif Kreatif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63373/3047-8014/33

Abstract

This study investigated the impact of population growth on food production in Nigeria. The study used secondary data spanning from 1980 to 2020 on food production, urban population, rural population, carbon dioxide emissions, government spending on agriculture, arable land, and agricultural. These data were analyzed using Autoregressive Distributed Lag (ARDL). The results revealed that urban population had a significant negative effect on food production in Nigeria for the period under study, among others. Based on the findings, it was recommended specifically that since population increases impacts negatively on food production, there is need to check population increases through measures like family planning, delayed marriages etc.
Tax Revenue, Investment, and Economic Growth in Nigeria: A Systematic Review of Empirical Evidence on Socio-Humanistic Dynamics Okpalanwabude, Ifeoma Florence
Indonesian Journal of Education and Social Humanities Vol. 3 No. 1 (2026): MARCH 2026
Publisher : MANDAILING GLOBAL EDUKASIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62945/ijesh.v3i1.847

Abstract

Sustainable economic growth is among the top macroeconomic goals of Nigeria; however, the nation has been witnessing erratic growth rates, low capital formation, and the infrastructural deficits. At the same time, the amount of investment by the private is below the level that can be widely regarded as sufficient to facilitate long-term development. This research utilized systematic review design to analyze empirical evidence of tax revenue, investment and economic growth in Nigeria. Academic databases were searched using predefined keywords to obtain relevant peer-reviewed articles and institutional reports. The inclusion criteria used to select studies focused on the empirical method and relevance to Nigeria. Data extracted underwent a narrative and comparative synthesis to determine patterns, gaps in the methodology and the moderating effects of public and private investment in tax-growth relationship. The systematic review shows that tax revenue by itself does not ensure economic growth, but its success depends mostly on its interaction with the dynamics of public and private investment. In order to attain sustainable economic growth, Nigeria should embark on balanced tax reform, enhance governance in the area of public expenditure and develop enabling environment to spur private investment. A combined fiscal-investment policy is thus needed in long-run development.
Impact of Corporate Income Tax and Value-Added Tax Revenue on Economic Growth in Nigeria: Evidence from an ARDL Bounds Testing Approach Okpalanwabude, Ifeoma Florence
Journal of Social Science and Economics (JOSSE) Volume 3, Issue 1, April 2026
Publisher : Asha Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70188/78abvv58

Abstract

Nigeria relies heavily on tax revenues, particularly Corporate Income Tax (CIT) and Value-Added Tax (VAT), to fund public expenditure and drive economic growth. However, persistent debates exist regarding the effectiveness of these taxes in stimulating national output, with some studies reporting positive impacts while others suggest negligible or negative effects. This study employed an Autoregressive Distributed Lag (ARDL) framework to examine the impact of corporate income tax revenue and value-added tax revenue on economic growth in Nigeria, controlling for real interest rate and labour force participation. The ARDL bounds testing approach was used to test for long-run cointegration and short-run dynamics among the variables. Where cointegration existed, an error correction model captured both long-run equilibrium and short-run adjustments. Pre-estimation tests included unit root and bounds tests, while post-estimation diagnostics assessed autocorrelation, heteroskedasticity, multicollinearity, and model stability using CUSUM and CUSUMSQ. The findings indicate considerable variability in Nigeria’s macro-fiscal indicators over 1994–2023, with corporate income tax (mean = ₦784.94 billion; SD = ₦1,018.90 billion) and VAT revenue (mean = ₦711.63 billion; SD = ₦927.35 billion) showing high volatility and non-normality (JB = 91.09; 78.64). Unit root tests reveal mixed orders of integration [I(0) and I(1)], validating ARDL use. Bounds testing confirms cointegration (F = 3.66 > 3.49). Long-run results show corporate income tax positively affects growth (β = 0.308, p < 0.01), while VAT has a negative effect (β = –0.00006, p < 0.05). Short-run adjustment occurs at 43%. The error correction term (0.43) suggests a moderate adjustment speed toward equilibrium. In conclusion, improving corporate tax collection and administration can stimulate economic growth, while VAT policies require careful calibration to avoid unintended contractionary effects.
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