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World-Systems Theory

World-systems theory is a macro-sociological and historical framework, developed primarily by Immanuel Wallerstein in the 1970s, that treats the modern global economy as a single integrated capitalist system structured around unequal exchange between nations.

Type: Concept Domain: History Social Science Philosophy

Overview

The framework divides the world into core economies (capital-intensive, wealth-extracting), periphery regions (exploited for cheap labour and raw materials), and a semi-periphery that absorbs pressures from both ends. Underdevelopment is thus an active consequence of global integration, not a failure of modernization.

Why it matters

The theory profoundly shaped development studies and historical sociology by challenging both liberal modernization theory and orthodox Marxism, shifting the fundamental unit of analysis from the nation-state to the world-system as a whole and influencing generations of scholars studying global inequality.

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