محمد بن دهمة محمد, زين العابدينبن مداح, حنانسي محمد, كمال2024-09-102024-09-102021http://dspace.univ-temouchent.edu.dz/handle/123456789/5076The state's intervention in the economy is considered necessary and important in order to achieve many goals to reach America, and through this investment, taxes become one of the most important states in which the state enters the economy. This study is a study of the study changes and the GMM model 1992 2017 and accordingly we came to the imposition of taxes on the US g overnment, tax on taxothertaxes, indirect taxes, tax reform, impactThesis