Capital Link International chief strategist Uwe Parpart discusses productivity growth in the US with CNBC's Bernie Lo. Photo: CNBC screen grab

With an estimated US$2.5 trillion in corporate cash parked abroad, a one-time tax amnesty could lead to greater investment in US economic productivity, says Capital Link International chief strategist Uwe Parpart.

Parpart, who is also editor of Asia Times, says Trump’s proposal of offering a tax rate of only 10% on overseas funds brought back into the the United States could put an estimated US$500 billion into the economy.

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