How does an increase in desired national saving in a large open economy affect the world real

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How does an increase in desired national saving in a large open economy affect the world real interest rate? How does an increase in desired investment affect it? Why do changes in desired saving or investment in large open economies affect the world real interest rate, while changes in desired saving or investment in small open economies do not?
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Macroeconomics

ISBN: 978-0321675606

6th Canadian Edition

Authors: Andrew B. Abel, Ben S. Bernanke, Dean Croushore, Ronald D. Kneebone

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