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5. The market for Ioanable funds and government policy The following graph shows the market for Ioanable funds. For each of the given scenarios, adjust the appropriate curve on the graph to help you complete the questions that follow. Treat each scenario separately by resetting the graph to its original state before examining the effect of each individual scenario. (Note: You will not be graded on any changes you make to the graph.) 0 S I upp Demand '5" _|:|_ 8 i Supply E E -+ is I Ll.| E I ' I Demand 3 I I I I I I LOANABLE FUNDS (Billions of dollars) Scenario 1: Individual Retirement Accounts (IRAs) allow people to shelter some of their income from taxation. Suppose the maximum annual contribution to such accounts is $5,000 per person. Now suppose there is a decrease in the maximum contribution, from $5,000 to $3,000 per year. Shift the appropriate curve on the graph to reect this change. This change in the tax treatment of interest income from saving causes the equilibrium interest rate in the market for loanable funds to V and the level of investment spending to V . Scenario 2: An investment tax credit effectively lowers the tax bill of any rm that purchases new capital in the relevant time period. Suppose the government repeals a previously existing investment tax credit. Shift the appropriate curve on the graph to reect this change. The repeal of the previously existing tax credit causes the interest rate to V and the level of saving to V . Scenario 3: Initially, the government's budget is balanced; then the government signicantly increases spending on national defense without changing taxes. This change in spending causes the government to run a budget V , which V national saving. Shift the appropriate curve on the graph to reect this change. This causes the interest rate to V , V the level of investment spending