Trump shifted between an aspirational tone, -- he said his plan will lead to the creation of 25 million new jobs over 10 years, and cynicism about the current state of US economic policy as he addressed the Economic Club of New York.
He also charged that the US Federal Reserve was being "totally controlled politically" to keep interest rates low, and that stocks were "artificially" high.
Trump expanded on a plan he announced six weeks ago, when he called for slashing taxes, undoing onerous financial regulations and expanding the energy sector.
"If we lower our taxes, remove destructive regulations, unleash the vast treasure of American energy, and negotiate trade deals that put America first, then there is no limit to the number of jobs we can create and the amount of prosperity we can unleash," Trump said today.
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"The only thing she can ever offer is a welfare check."
Trump's own vision forecasts 3.5 per cent annual economic growth over a decade but he expressed optimism for more.
"It's time to establish a national goal of four per cent annual growth," he said.
When Trump's primary rival Jeb Bush pledged four per cent growth, many economists described it as ambitious and even unrealistic for a sustained period.
"It's the same Donald Trump with generalization and no numbers," economist Robert Reich, who served as labor secretary under president Bill Clinton, told CNBC.