The thesis substantiates theoretical and methodological, methodological and practical foundations of the institutional mechanism of formation and implementation of tax policy in the conditions of transformation of national economy.
The theoretical positions relevant for scientific substantiation of tax policy making are systematized. The main concepts of tax policy that countries can apply, taking into account the practical retrospective: discretionary and non-discretionary; weighted, maximum, minimum and balanced taxes are clarified. As part of the rationale for the impact of tax policy on social and economic processes, indicators for the state (region), business and population are summarized.
The use of institutional theory to investigate the problems of tax policy was based on the characteristics of its institutions, the institutional environment of its formation and implementation.
Based on the analysis and systematization of scientific views of many scientists, the characteristic features of the mechanism in economic science are generalized and specified. The classification of mechanisms is proposed, which allowed to reveal the specifics of the institutional mechanism. The content of the institutional mechanism for the formation and implementation of tax policy as a system of institutions-subjects, which has a direct impact on regulators in the field of taxation and is guided by the principles of the organization of the market-regulatory environment - the tax regime as a formal institution and tax culture, responsibility and trust as informal institutions, is determined.
The essence and peculiarities of the institutional architecture of tax policy are substantiated, which made it possible to consider it as the activity of the relevant public authorities aimed at regulating tax relations regarding the mobilization, redistribution of financial resources in the form of mandatory payments and financial support for the performance of state functions with balancing the interests of business and the population.
The attention is focused on and the content of tax instruments with innovative functionality is defined, the goals of which are the formation of a competitive environment with the prerequisites and focus on innovation, support for innovation, intersectoral and public-private cooperation in the innovation sphere, state guarantee of investments in innovative projects.
The article substantiates and characterizes the actualities of tax policy in the context of the main directions of transformation and modernization of the national economy - the sustainability of its development, the leading importance of small and medium-sized businesses, the de-shadowing of the labor remuneration system, financial support for the development of regions and communities, innovative development of the business environment, innovative development of the economy with the transition to the next technological mode.
The main globalization challenges and opportunities for the formation of the state tax policy in relation to the tax strategy are investigated.
The features of the formation of national tax policy are summarized and the challenges caused by globalization processes are analyzed.
The role of tax policy in the system of conceptual directions of business development in the EU countries is determined. Generalization of the main practices and tax trends in the EU countries allowed to identify priorities for implementation in Ukraine by blocks of mandatory and effective nature.
The concept of improving the strategic priorities of tax incentives for economic transformation is proposed, for which the main approaches (sectoral, spatial, personnel, innovative) are substantiated and systematized; recommendations for improving tax incentives are formulated and attention is focused on the vector of development of the Ukrainian economy on an innovative basis in connection with the reform of the tax system in the context of transformation, financial decentralization and wartime and post-war time.
A comprehensive assessment of the effectiveness of tax policy in the system of the national economy made it possible to identify problems, outline ways to minimize them and focus on the fact that the war economy is a turning point in the exit of the Ukrainian economy from the resource-oriented with the predominance of shadow business and employment, and economic recovery and development of regions after military aggression should include not only new infrastructure solutions, but also ways of doing business, creating a competitive environment and ensuring a highly productive innovation system.
