In: Economics
Using the model of loanable funds explain how the following changes affect the real interest rate, investment, consumption, and government expenditure. Include the appropriate diagram as part of your answer. Initially assume that consumption depends only on disposable income.
A)Expectations about the future profitability of investment improve. (Hint: For a given real interest rate, r, firms will invest a greater amount after expectations improve).
B) How does your answer to (A) change if consumption also depends on the real interest rate (i.e. is decreasing with r)?