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The data collection method was based upon that used for GaWC Data Set 11.
These data constitute the basis of part of the analysis in GaWC Research Bulletin No. 146 Leading World Cities: Empirical Evaluations of Urban Nodes in Multiple Networks and GaWC Research Bulletin No. 149 New Political Geographies: Global Civil Society and Global Governance through World City Networks.
The cities used in the data collection were the 315 from GaWC Data Set 11. Using worldwide Embassy database www.embassyworld.com, the diplomatic networks of the 133 capital cities in the list of 315 cities were traced across all 315 cities. To create the matrix, the world capitals are the SENDING cities (like firms in Data Set 11), represented on the columns of this matrix. Conversely, all WCN cities are potential RECEIVING cities, represented along the rows of this matrix. This matrix depicts which Capital Cities have diplomatic presences in which cities of the World City Network. A binary code was used to represent a diplomatic link: presence scores 1; absence scores 0.
There are various types of diplomatic entities represented in this matrix. Most are full diplomatic Embassies or diplomatic Consulates. However, other diplomatic entities (i.e., honorary consulates, diplomatic missions, tourist bureaus, and trade offices) are also included.
There are two sets of data presented:
As per our data protocol, the following acknowledgement should accompany any public use of the data:
ACKNOWLEDGEMENT: The data were produced by P.J. Taylor and K. Matthews and constitute Data Set 21 of the Globalization and World Cities (GaWC) Research Network (http://www.lboro.ac.uk/gawc/) publication of inter-city data.