SINGAPORE—Southeast Asian leaders at a regional summit here worry that their countries are among the most exposed to the negative effects of a U.S.-China trade war, with the knock-on costs of tariffs likely to ripple through global supply chains, costing billions of dollars in lost income.
The deepening conflict between the world’s two largest economies has put leaders at the summit on edge as they look for ways to prevent their trade-dependent economies from becoming collateral damage in the dispute.
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