WASHINGTON (AP) — The latest tariffs President Donald Trump plans to impose on Chinese goods would cost U.S. households an average of $200 a year, some economists estimate, and would start to bite consumers and retailers just as the holiday shopping season begins.

That cost would come on top of the roughly $830 cost imposed per household from Trump's existing tariffs, according to a New York Federal Reserve analysis.

Trump plans to tax $300 billion of Chinese imports at 10% starting in September with the goal of accelerating trade talks with Beijing to favor the United States. The new tariffs...