2. Write down an expression for the Investment-Savings (IS) Curve. (Hint: First use the AE equation to find an expression for equilibrium Y. Next, remember that the IS equation takes the form of r = ....)
2. Write down an expression for the Investment-Savings (IS) Curve. (Hint: First use the AE equation to find an expression for equilibrium Y. Next, remember that the IS equation takes the form of r = ....)
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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equation for ae = y =640 − 2.5r
first image is just a resource, actual question is question 2.
Thank you so much :)

Transcribed Image Text:We use the following terminology in this part: aggregate income Y and disposable income
Ya (= Y –T), consumption function C(Ya), planned investment function I(r), government
spending G, and taxation T = tY where t is the marginal tax rate; r% denotes the real
interest rate in the economy. (Note, r is in percentage points, e.g. r = 2 means the interest
rate is 2%. When doing calculations, the interest rate should not simply be inserted in
decimal form. For example, if r = 2 then I(2) = 124 – 2 = 122.)
Consider a hypothetical economy where:
• C(Ya) = 12 + 0.75 × (Y – T)
• I(r) = 124 – 1 × r
• G = 120
• t = 20%

Transcribed Image Text:2. Write down an expression for the Investment-Savings (IS) Curve. (Hint: First use
the AE equation to find an expression for equilibrium Y. Next, remember that the
IS equation takes the form of r =..)
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