Suppose the government borrows 20 billion more next year than
Suppose the government borrows $20 billion more next year than this year.
a. Use a supply-and-demand diagram to analyze this policy. Does the interest rate rise or fall?
b. What happens to investment? To private saving? To public saving? To national saving? Compare the size of the changes to the $20 billion of extra government borrowing.
c. How does the elasticity of supply of loan able funds affect the size of these changes?
d. How does the elasticity of demand for loan able funds affect the size of these changes?
e. Suppose households believe that greater government borrowing today implies higher taxes to pay off the government debt in the future. What does this belief do to private saving and the supply of loan able funds today? Does it increase or decrease the effects you discussed in parts (a) and (b)?

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