TAX REVENUES AND ECONOMIC EFFICIENCY

Аннотация

This article investigates the intricate relationship between tax revenues and economic efficiency, using Uzbekistan as a case study within a broader global context. It highlights that while taxation is a fundamental tool for public finance, the structure, transparency, and administrativequality ofa tax system significantly influence its economic outcomes. Drawing on classical and modern public finance theories, as well as recent OECD and World Bank data, the study explores how broadening the tax base, minimizing distortions, and improving voluntary compliance can enhance both revenue generation and allocative efficiency. Uzbekistan’s recent fiscal reforms—such as the digitalization of tax services, simplification of tax codes, and introduction of online systems—have led to notable improvements in tax collection, with an 18.4% increase between 2021 and 2023. However, challenges remain, including a large informal sector, sectoral imbalance in tax contributions, and regional disparities in compliance behavior. The discussion reveals that expanding the reach of taxation to underrepresented sectors like agriculture and informal services, while strengthening the link between tax revenues and public services, isessential for long-term fiscal sustainability. By analyzing both theoretical foundations and empirical evidence, the article concludes that efficient tax systems must focus not only on revenue maximization but also on simplicity, equity, and public trust to ensure inclusive and sustainableeconomic development. Keywords: tax revenue, economic efficiency, fiscal policy, informal economy, public finance, tax base,tax compliance, digital taxation,Uzbekistan, publicspending efficiency. Introduction. Tax revenues are the lifeblood of modern governments, serving as the primary source of funding for public goods, infrastructure development, social welfare, and long-term economic planning. The ability of a state to generate sufficient and sustainable tax income is not only a matter of fiscal policy but also a fundamental determinant of its economic efficiency and institutional capacity. Without adequate tax revenues, governments are limited in their ability to invest in human capital, maintain macroeconomic stability, and respond effectively to internal andexternal shocks. Globally, countries vary widely in their tax-to-GDP ratios, which reflects both their economic structures and the efficiency of their tax systems. According to the OECD (2023), the average tax-to-GDP ratio among its member states is around 34.0%, while in many developing economies this figure remains below 20%. In Uzbekistan, for instance, the tax-to-GDP ratio was reported at 25.1% in 2022, showing moderate improvement compared to previous years, but still reflecting the need for reforms to widen the tax base and enhance revenue administration. The relationship between tax revenues and economic efficiency is complex and often contested. On one hand, a well-designed tax system can promote efficiency by minimizing distortions, encouraging productive investments, and ensuring fair income redistribution. On the other hand, excessive or poorly structured taxation can lead to tax evasion, capital flight, reduced labor http://www.internationaljournal.co.in/index.php/jasass 945 Volume 15Issue 06, June 2025 Impact factor: 2019: 4.679 2020: 5.015 2021: 5.436, 2022: 5.242, 2023: 6.995, 2024 7.75 incentives, and a larger informal sector. Therefore, striking the right balance between revenue generation and economic incentives is a persistent challenge for policymakers. Economists such as Arthur Laffer have long debated the “optimal” level of taxation, proposing that beyond a certain point, increasing tax rates actually reduce total revenues due to behavioral responses from taxpayers. Similarly, modern public finance theories emphasize the importance of equity, simplicity, andtransparency in tax design toimprove compliance andeconomic performance. In recent years, Uzbekistan has undertaken a series of ambitious tax reforms aimed at increasing transparency, digitalizing tax collection, simplifying procedures for small businesses, and shifting the burden from direct to indirect taxation. The introduction of an online tax reporting system (my.soliq.uz), reduction in the number of tax types, and unification of turnover tax are notable steps toward modernizing fiscal administration. As a result, State Tax Committee data (2023) shows that overall tax collection increased by 18.4% compared to 2021, with corporate tax, VAT, and personal income tax as the primary contributors. However, challenges remain: the informal economy still accounts for a significant share of total output, tax compliance is uneven across regions, and administrative capacity needs further strengthening. Moreover, the link between tax collection and efficient public spending is not always evident, which can undermine publictrust and voluntary compliance. This article aims to analyze the interrelati