A Bloomberg survey this month found that 29 out of 38 economists who responded expect Congress to pass tax-cut legislation by November 2018. The respondents, however, expected the policy changes to add only 0.2% to the economy’s growth rate.

“The type of stimulus being talked about is temporary,” Nariman Behravesh, chief economist at consultants IHS Inc, was quoted as saying. “It won’t deliver a sustained increase in growth.”