This book discusses the economic problems associated with the allocation of resources from the perspective of power, and reinterprets the connotation and mechanism of power. Through the analysis of the power game between the enterprises, the market and the government, the relationship between the system, the price, the contract and the power structure is clarified, and this book carries out a theory that power is the determinant of the existence and change of institution. The theoretical model is used to demonstrate the conditions for the full utilization of resources and the realization of social welfare, that is, the equal rights of different economic agents at the same level and the symmetry of the same economic agent. This book not only establishes the power paradigm of economic research, reveals the essential factors that determine economic activity, but also establishes an effective connection between macroeconomics and microeconomics, and provides a new approach to analyze the e