QNO2 In the linear consumption function cons = Bo + B₁inc, the (estimated) marginal propensity to consume (MPC) out of income is simply the slope, B1, while the average propensity to consume (APC) is cons/inc = Bolinc + B₁. Using observations for 100 families on annual income and consumption (both measured in dollars), the following equation is obtained: cons 124.84 +0.853 inc n =100, R2 = 0.692. Interpret the intercept in this equation, and comment on its sign and magnitude. (ii) What is the predicted consumption when family income is $30,000? (iii) With inc on the x-axis, draw a graph of the estimated MPC and APC.

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Chapter5: Business And Economic Forecasting
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QNO2
In the linear consumption function
cons = Bo + B₁inc,
the (estimated) marginal propensity to consume (MPC) out of income is simply the slope, B1,
while the average propensity to consume (APC) is cons/inc = Bolinc + B₁. Using observations
for 100 families on annual income and consumption (both measured in dollars), the following
equation is obtained:
cons 124.84 +0.853 inc
n =100, R2 = 0.692.
Interpret the intercept in this equation, and comment on
its sign and magnitude.
(ii) What is the predicted consumption when family
income is $30,000?
(iii) With inc on the x-axis, draw a graph of the estimated
MPC and APC.
Transcribed Image Text:QNO2 In the linear consumption function cons = Bo + B₁inc, the (estimated) marginal propensity to consume (MPC) out of income is simply the slope, B1, while the average propensity to consume (APC) is cons/inc = Bolinc + B₁. Using observations for 100 families on annual income and consumption (both measured in dollars), the following equation is obtained: cons 124.84 +0.853 inc n =100, R2 = 0.692. Interpret the intercept in this equation, and comment on its sign and magnitude. (ii) What is the predicted consumption when family income is $30,000? (iii) With inc on the x-axis, draw a graph of the estimated MPC and APC.
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