There’s a growing sense among some inside the Federal Reserve that President Donald Trump’s willingness to use tariffs as a tool to accomplish his administration’s aims will end up boosting inflation,

The 25% tariffs Trump was to impose on Mexico and Canada, joined with a 10% tariff on China, would have pushed up underlying price pressures by as much as 0.8 percentage point, as measured by the central bank’s preferred price pressure gauge, the personal consumption expenditures price index, the Boston Fed paper said.

Federal Reserve officials take great pains not to comment on fiscal policy, but the looming threat from tariffs is forcing their hand.