Two specialised categories of city are common at this level of integration: smaller capital cities, and traditional centres of manufacturing regions These levels are interpreted as follows:Īlpha++ cities In all analyses, London and New York stand out as clearly more integrated than all other cities and constitute their own high level of integrationĪlpha+ cities Other highly integrated cities that complement London and New York, largely filling in advanced service needs for the Pacific AsiaĪlpha & alpha- cities Very important world cities that link major economic regions and states into the world economyĪll beta level cities These are important world cities that are instrumental in linking their region or state into the world economyĪll gamma level cities These can be world cities linking smaller regions or states into the world economy, or important world cities whose major global capacity is not in advanced producer servicesĬities with sufficiency of services These are cities that are not world cities as defined here but they have sufficient services so as not to be overtly dependent on world cities. The connectivity measures are used to classify cities into levels of world city network integration. Indirect measures of flows are derived to compute a city's network connectivity – this measures a city's integration into the world city network. The world according to GaWC is a city-centred world of flows in contrast to the more familiar state-centred world of boundaries.Ĭities are assessed in terms of their advanced producer services using the interlocking network model (see GaWC Research Bulletin 23).
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