The impact of corruption on economic growth: a nonlinear evidence

Mohamed Ali Trabelsi

Journal of Social and Economic Development, 2024, vol. 26, issue 3, No 11, 953-962

Abstract: Abstract On the basis of the lubricating corruption effect hypothesis (grease-the-wheels hypothesis), the impact of corruption on growth seems ambiguous. Therefore, the question that arises is how corruption affects economic growth, to what extent corruption can be tolerated and at what threshold it has a detrimental effect on an economy. This paper examines the impact of corruption on economic growth by testing the hypothesis that the relationship between these two variables is nonlinear. Moreover, the paper assesses whether the belief that corruption has detrimental effects on the economy is always true. This paper uses a panel data of 65 countries observed over the 1987 to 2021 period. The findings indicate that corruption can have a positive effect on growth. It has been found that beyond an optimal threshold, both high and low corruption levels can decrease economic growth. Under this threshold, a moderate level of corruption is defined by the point of reversal of the curve of the marginal corruption effect on growth. Such a threshold could have advantages for economic growth.

Keywords: Corruption; Economic growth; Panel data: PCSE estimator (search for similar items in EconPapers)
JEL-codes: B23 C51 D73 O47 (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s40847-023-00301-9

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