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	World-Systems Analysis	Core-Periphery Analysis
Campo	Political Economy	Sociology
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1974	2000
Ideatore	Immanuel Wallerstein	Stephen Borgatti & Martin Everett
Tipo	Historical-structural macrosociological framework	Network partition into a dense core and a sparse periphery
Fonte seminale	Wallerstein, I. (1974). The Modern World-System I: Capitalist Agriculture and the Origins of the European World-Economy in the Sixteenth Century. Academic Press. ISBN: 9780127859200	Borgatti, S. P., & Everett, M. G. (2000). Models of core/periphery structures. Social Networks, 21(4), 375–395.
Alias	World-System Theory, World-Systems Theory, Wallersteinian Analysis, Capitalist World-Economy Analysis	core/periphery model, Borgatti-Everett core-periphery, core-periphery structure detection, coreness analysis
Correlati	4	5
Sintesi	World-systems analysis is a historical-structural framework, founded by Immanuel Wallerstein in The Modern World-System (1974) and codified in his 2004 introduction, that takes as its unit of analysis not the nation-state but a single, integrated capitalist world-economy that has expanded since the long sixteenth century to encompass the globe. Within this world-economy a single axial division of labor binds together a hierarchy of zones — core, semiperiphery, and periphery — through which surplus flows unequally from peripheral to core regions. States, classes, and firms are understood by their position in this structure rather than as self-contained societies, and the system is read over the longue duree, attentive to long cycles of accumulation and to the rise and decline of successive hegemonic powers.	Core/periphery analysis partitions a network into a densely interconnected core of actors and a sparse periphery whose members connect to the core but not to one another. Formalized by Borgatti and Everett, the method fits the observed adjacency matrix to an idealized block pattern — a fully connected core block, an empty periphery block, and core–periphery blocks of intermediate density — to test whether and how strongly a network exhibits this canonical mesoscale structure.