President Xi Jinping with Donald Trump in the US president’s Mar-a-Lago resort in Florida, on April 6. Trump has backed away from many of his more aggressive positions on trade, especially with China. Photo: Xinhua

Why Trump is a test case for tit-for-tat in foreign relations

Koichi Hamada cites the game theory concept of prisoner’s dilemma to highlight the mechanics of betrayal between nations, which a tit-for-tat approach may nullify. And even Donald Trump, with his classic defector’s attitude, may find cooperation works best

Topic |   Donald Trump

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President Xi Jinping with Donald Trump in the US president’s Mar-a-Lago resort in Florida, on April 6. Trump has backed away from many of his more aggressive positions on trade, especially with China. Photo: Xinhua
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