Effects of Change in Effective Tax Rate on Public Budget, GNP and Welfare Using General Equilibrium Model

Fardin Farahnak (), Majid Maddah () and Abbas Shakeri ()
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Fardin Farahnak: Ph.D. Candidate in Economics, University of Semnan
Majid Maddah: Associate Professor of Economics, University of Semnan
Abbas Shakeri: Professor of Economics, Allameh Tabataba'i University

Quarterly Journal of Applied Theories of Economics, 2018, vol. 5, issue 2, 81-102

Abstract: Review of the public budget indicates the necessity of an increase in the share of Tax Revenues in the provision of Public Resources. Increasing taxes influence Public Resources and Expenditures, GNP and Welfare. In this research, while a general equilibrium model for analyzing Iran financial issues has been introduced, by using mentioned CGE model through GAMS effects of increase in three main groups of taxes including: Excises, Tariffs and Income Taxes, and also all these taxes together (in form of three single scenarios and one combined scenario) on the economy, have been investigated. Reviewing results of single scenarios shows that the maximum effects occurred caused by 10 percent increase in effective excise rate, which raise public resources and expenditures 0/88 and 0/79 percent and decline budget deficit and welfare 14/04 and 1/58 percent. But, the best result overally obtained from the combined scenario with 19/74 percent fall in budget deficit due to 1/26 and 1/13 percent potential raise in public resources and expenditures along with only 0/14 percent decrease in welfare, which recommended as the preferred scenario for implementation. While, changes in GNP because of restricted tax bases in all scenarios obtained negative and negligible

Keywords: Budget resources and expenditures; Government budget balance; General equilibrium model; Gross national product (search for similar items in EconPapers)
JEL-codes: H11 H21 H62 H63 H68 Q34 (search for similar items in EconPapers)
Date: 2018
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