Coba jelasin Global Power City Index dari Bandar raya global dalam bahasa melayu dong

Institute for Urban Strategies di The Mori Memorial Foundation di Tokyo, Jepun mengeluarkan kajian menyeluruh mengenai bandaraya global pada Oktober 2009, berasaskan enam kategori keseluruhannya, iaitu "Economy," "Research & Development," "Cultural Interaction," "Livability," "Ecology & Natural Environment," dan "Accessibility," diperincikan oleh 69 petunjuk individu.