![]() ![]() The GaWC (Study Group on Globalization and Global Cities, University of Loughborough, UK) locates the top 100 global service firms in 315 global cities. This summarizes the score of each city on more than 70 different indicators, grouped into 7 areas: the legal and political environment macroeconomic stability the ease of undertaking financial flows flows of people and goods knowledge creation and information flows life quality. The MasterCard ranking of global cities associates each of the 75 cities considered with a composite index. It measures the value of wealth produced within a given metropolis. Gross urban product (GDP) is the equivalent for cities of gross domestic product (GDP) for the states. The map above crosses these last two criteria for 75 cities. ![]() The sociologist Saskia Sassen (The Global City, Descartes and Co., 1998) proposed to classify cities according to their functions of steering the global economic activity. While the largest cities in the world are generally the most populous, economists generally retain the criterion of wealth production (the PUB). There are many ways to measure the economic importance of a city. The ranking of cities according to this criterion is the following… Global Cities ranking The gross urban product (P.U.B) is the same as P.I.B but it applies to cities. Global cities are linked to the current phenomenon of globalization their hierarchy is therefore based on economic criteria. ![]()
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