This article examines Talcott Parsons's systemic theory and the relationship between economy and society, as analyzed in his work Economy and Society (1956, with Neil Smelser). Parsons proposes that the economy is a subsystem of society, integrated into the more general theory of social systems. Using the "General Theory of Action", he attempts to bridge the gap between economic and social sciences, arguing that economic concepts such as supply and demand correspond to sociological concepts such as performance and sanction. His central idea is that no aspect of human activity is purely economic, since all are connected to broader social and cultural systems. At the same time, Parsons is criticized, especially by C. Wright Mills, for his excessive abstraction and the inability of his theory to connect with specific historical and social reality. The article highlights the epistemological and theoretical challenge of integrating economic concepts into a more holistic sociological framework.