Suppose that a protectionist initiative in Congress succeeds in passing a bill closing the U.S. economy to any internati

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Suppose that a protectionist initiative in Congress succeeds in
passing a bill closing the U.S. economy to any international trade
in financial assets. What would be the effect of this policy change
on the world interest rate and on saving and investment in the
United States and in the rest of the world? Use a graphical
analysis and explain.