Quantifying the Revenue Yields from Tax Administration Reforms

Despite the criticality of tax administration (TA) reforms in enhancing domestic revenue mobilization, few studies have attempted to quantify the revenue impact of such reforms. This paper fills this gap by estimating the revenue yields associated with various tax administration capabilities, based...

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Bibliographic Details
Main Author: Adan, Hassan
Other Authors: Atsebi, Jean-Marc, Gueorguiev, Nikolay, Honda, Jiro
Format: eBook
Language:English
Published: Washington, D.C. International Monetary Fund 2023
Series:IMF Working Papers
Subjects:
Online Access:
Collection: International Monetary Fund - Collection details see MPG.ReNa
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245 0 0 |a Quantifying the Revenue Yields from Tax Administration Reforms  |c Hassan Adan, Jean-Marc Atsebi, Nikolay Gueorguiev, Jiro Honda, Manabu Nose 
260 |a Washington, D.C.  |b International Monetary Fund  |c 2023 
300 |a 42 pages 
653 |a Economic & financial crises & disasters 
653 |a Public Administration 
653 |a Revenue administration 
653 |a International Survey on Revenue Administration (ISORA) 
653 |a Social security 
653 |a Public finance & taxation 
653 |a Taxes 
653 |a Economics: General 
653 |a Fiscal Policy 
653 |a Informal sector; Economics 
653 |a Welfare & benefit systems 
653 |a Economics of specific sectors 
653 |a Revenue performance assessment 
653 |a Currency crises 
653 |a Taxation, Subsidies, and Revenue: General 
653 |a Tax Administration Diagnostic and Assessment Tool (TADAT) 
653 |a Public Sector Accounting and Audits 
653 |a Econometric and Statistical Methods: General 
653 |a Macroeconomics 
653 |a Tax administration and procedure 
653 |a Taxation 
653 |a Personal Income and Other Nonbusiness Taxes and Subsidies 
653 |a Public Finance 
653 |a Fiscal and Monetary Policy in Development 
653 |a Revenue 
653 |a Tax administration core functions 
653 |a Social security contributions 
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700 1 |a Gueorguiev, Nikolay 
700 1 |a Honda, Jiro 
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520 |a Despite the criticality of tax administration (TA) reforms in enhancing domestic revenue mobilization, few studies have attempted to quantify the revenue impact of such reforms. This paper fills this gap by estimating the revenue yields associated with various tax administration capabilities, based on the International Survey on Tax Administration (ISORA), the Tax Administration Diagnostic Assessment Tool (TADAT), and TA reform episodes datasets (identified by Akitoby et al., 2020). It uses a Hausman-Taylor cross-country panel regression and an event study for specific TA reform episodes. Our results (using the ISORA data) show that an increase in the overall strength of TA from the 40th percentile to the 60th percentile is associated with an increase in tax revenue by 1.8 pp. of GDP (with a 95 percent confidence range of 0.5‒2.6 pp. of GDP). Similarly, the event-study assessment shows that sustained TA reforms led to an increase in tax revenues between 2 to 3 pp. of GDP, in line with the experience in three country cases (Jamaica, Rwanda, and Senegal). Also, the revenue yields are increasing over time to more than 3 pp. of GDP after the 6th year following a comprehensive reform. The analysis also highlights the significant impact of specific measures including: i) strengthening compliance risks management, ii) enhancing public accountability, iii) establishing Large Taxpayer Offices (LTO), iv) strengthening accountability and transparency, and v) enhancing timely filing of tax declarations