Effect of abnormal increase in credit supply on economic growth in Nigeria

Peterson Ozili, Olajide Oladipo and Paul Terhemba Iorember

African Journal of Economic and Management Studies, 2023, vol. 14, issue 4, 583-599

Abstract: Purpose - This paper investigates the effect of abnormal increase in credit supply on economic growth in Nigeria after controlling for the quality of the legal system, size of central bank asset, banking sector cost efficiency and bank insolvency risk. Design/methodology/approach - The authors employ the generalised method of moments (GMM) regression methodology to estimate the effect of abnormal increase in credit supply on two measures of economic growth in Nigeria. Findings - The abnormal increase in credit supply has a significant effect on economic growth. Abnormal increase in credit supply increases real gross domestic product (GDP) growth. The abnormal increase in credit supply decreases real GDP per capita during the global financial crisis. The abnormal increase in domestic credit to the private sector has a significant positive effect on GDP per capita when there is strong legal system quality in Nigeria. In contrast, the abnormal increase in domestic credit to the private sector has a significant negative effect on real GDP growth when there is strong legal system quality in Nigeria. Practical implications - The abnormal increase in credit supply is ineffective in increasing GDP per capita during crisis years. Policymakers should be cautious in pressuring financial institutions to release an abnormally large amount of credit into the economy particularly during financial crises. Rather, policymakers should encourage financial institutions to supply credit in a sustained manner – not in an abnormal manner –and in a way that supports growth. Originality/value - The present study contributes to the literature by analysing the effect of abnormal increase in credit supply on economic growth in a developing country context.

Keywords: Economic growth; Nigeria; Credit supply; GDP growth rate; GDP per capita; Abnormal credit supply; Rule of law; ZSCORE; Profitability; Domestic credit to the private sector; Central bank asset; G21; G28; O47; O55 (search for similar items in EconPapers)
Date: 2023
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Working Paper: Effect of abnormal increase in credit supply on economic growth in Nigeria (2023)
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Persistent link: https://EconPapers.repec.org/RePEc:eme:ajemsp:ajems-02-2022-0036

DOI: 10.1108/AJEMS-02-2022-0036

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