KnowraGlobal cityLinked fromLinked fromThe 3 pages that link to Global city, each with the reason it gives.All 3Broader topic 2Compared with 1MegacityCompared with: A megacity is defined by population, while a global city is defined by its international influence.Post-industrial societyBroader topic: Such cities show how service growth can concentrate in particular urban centers.Saskia SassenBroader topic: Sassen developed this framework to explain how certain cities organize the global economy.