The Manhattan real estate mogul said his aim would be to clear the way for U.S. businesses to succeed.

"We're lowering taxes very substantially and we're going to be getting rid of a tremendous amount of regulations," Trump said in a wide-ranging interview with CNBC.

"The business people they talk about regulation more than they talk about taxes," he said.

Trump's path to the Republican nomination for the Nov. 8 election became clear after a decisive primary victory in Indiana on Tuesday forced his two remaining rivals, U.S. Senator Ted Cruz and Ohio Governor John Kasich, to drop out of the race.

The candidate, who has never held elective office, has been pressed to provide more details on policy proposals. On Wednesday, he said he was "open to doing something" with the country's minimum wage, but that any increase would have to be weighed against a potential loss of competitiveness.