Assessing tax collection efficiency of G20 countries: an analysis of tax potential, tax evasion and anti-corruption efforts

Usama Alqalawi, Ahmad Alwaked and Anas Al Qudah

Journal of Money Laundering Control, 2023, vol. 27, issue 3, 489-504

Abstract: Purpose - This paper aims to determine the tax potential of G20 countries and estimate the tax revenue they could generate. The study evaluates the effectiveness of tax revenue collection for G20 nations from 2008 to 2020 and investigates the relationship between tax collection efficiency and tax evasion. The study also examines the link between tax collection efficiency and a proxy for tax evasion through anti-corruption efforts. Design/methodology/approach - The study assumes that tax collection is a function of gross domestic product (GDP), population, imports and price level. The study uses a stochastic frontier analysis to calculate the efficiency of tax collection. It estimates the loss in total tax collection due to inefficiency by comparing actual and best-practice tax collection. Findings - The findings indicate that anti-corruption measures and technological advancements positively impact tax collection efficiency. Great Britain is identified as the most efficient country in tax collection, whereas Saudi Arabia is the least efficient. Germany has the highest losses in tax collection due to inefficiency, while Australia experiences the lowest losses in tax collection. Originality/value - This study suggests several practical implications. For example, legislators and policymakers should pay more attention to anti-corruption policies. Also, tax agenesis should focus on better understanding variations in tax collection efficiency between countries and how they relate to tax evasion.

Keywords: Efficiency; Tax efficiency; Corruption; Tax evasion; D73; H21; H26 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jmlcpp:jmlc-04-2023-0082

DOI: 10.1108/JMLC-04-2023-0082

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