Question: 1. Assume that the consumption function is given by C = 200 + 0.5(Y - 7) and the investment function is / = 1,000 -

1. Assume that the consumption function is given by C = 200 + 0.5(Y - 7) and the investment function is / = 1,000 - 200r, where r is measured in percent, G equals 300, and T equals 200. a. What is the numerical formula for the IS curve? (Hint: Substitute for C, ), and G in the equation Y = C + 1 + G and then write an equation for Y as a function of r or r as a function of Y.) Express the equation two ways. b. What is the slope of the IS curve? (Hint: The slope of the IS curve is the coefficient of Y when the IS curve is written expressing r as a function of Y.) c. If r is one percent, what is ? What is Y? If r is 3 percent, what is /? What is Y? If r is 5 percent, what is I? What is Y? d. If G increases, does the IS curve shift upward and to the right or downward and to the left

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