The article discusses the economic theories of Keynes and Friedman, focusing on money, ideology, and the open economy. It explores how neoclassical economics and the monetary revolution have shaped our understanding of microeconomics and ideology. The researchers delve into the history of money, the role of the state, and the international aspects of economics. They analyze Keynesian mechanics, emphasizing autonomous spending, deficits, and the real rate of interest. The study also examines production, wages, and prices, highlighting the importance of time in economic analysis. Overall, the article presents an analytical system that explains long swings in the economy and helps anticipate future business conditions.