global economy
US /ˌɡloʊ.bəl ɪˈkɑː.nə.mi/
UK /ˌɡloʊ.bəl ɪˈkɑː.nə.mi/

1.
economia global, economia mundial
the worldwide economic system, including international trade, finance, and the interconnectedness of national economies
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The rise of e-commerce has significantly impacted the global economy.
A ascensão do comércio eletrônico impactou significativamente a economia global.
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Fluctuations in oil prices can have a ripple effect across the entire global economy.
As flutuações nos preços do petróleo podem ter um efeito cascata em toda a economia global.