非洲学者：世界已经全球化 美关税政策伤人害己

Group 1 - Ghana's exports to the US will face higher costs, leading to a loss of competitiveness for Ghanaian products in the US market [2] - China has been a significant player in promoting economic globalization and multilateralism, providing zero-tariff treatment to multiple African countries [2][4] - The core model of Africa-China relations is deepening trade ties, creating fair competition opportunities for all countries involved [4] Group 2 - The US tariff policies are expected to cause economic shocks not only to other countries but also to the US, potentially leading to inflation and reduced purchasing power for American consumers [5] - Decisions made by the US may be politically motivated rather than economically driven, which could have severe repercussions on the global economy [7] - The interconnectedness of the global economy means that the US's actions could ultimately harm its own economic stability and consumer purchasing power [7]