tax corporations according to the value added to their output that occurs in the US.

CounterPunch: Tells the Facts, Names the Names:
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"The main source of the economic crisis is the infantile belief of US policymakers that an economy could be based on debt expansion. As offshoring moved jobs, incomes, and GDP out of the country, debt expanded to take the place of the missing income. When the offshored goods and services were brought back to be sold to Americans, the trade deficit rose, adding another level of financing for an economy that consumes more than it produces."
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The federal government’s likely solution to the debt problem will be to monetize the debt, that is, the government will finance its deficit by printing money. Debt will be inflated away. But for those Americans without jobs or whose incomes do not rise with inflation, life will be cruel.

Life is already cruel for Americans living on retirement savings. Not only has the stock market bust reduced their wealth by half, but also their remaining assets are producing no income. Interest rates are so low that debt instruments produce no income, and there are scant capital gains in the stock market. Retirees are living by consuming their capital.

America’s economic policy of low interest rates and debt expansion bodes ill for everyone living off their savings. Their future prospects are even worse as high inflation will destroy the value of their savings, especially if held in cash or debt instruments, including “safe” US Treasuries.
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One way to do this is to tax corporations according to the value added to their output that occurs in the US. Corporations that produce their products for US markets abroad would have high tax rates; those that produce domestically would have low tax rates. ...