Core–periphery structure: Difference between revisions

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Revision as of 04:15, 17 December 2018

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'''Core periphery structure''' is based on Wallerstien.{{cncitation needed|date=October 2018}} He formulated the chart in the 1980s. Core are the MEDCs in the world and the periphery the major section are the LEDCs that are not as developed as MEDCs but are very slowly starting to develop.

[[File:Core-Periphery Network.png|thumb|A Network with an idealized core–periphery structure]]

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==Discussion==

Hubs are commonly found in empirical networks and pose a problem for community detection as they usually have strong ties to many communities. Identifying core–periphery structures can help circumvent this problem by categorizing hubs as part of the network’snetwork's core (Rombach et al., 2014, p. 160). Likewise, though all core nodes have high centrality measures, not all nodes with high centrality measures belong to the core. It is possible to find that a set of highly central nodes in a graph does not make an internally cohesive subgraph (Borgatti & Everett, 2000).

==Uses in economics==