Math Problem Statement
The consumption function captures one of the key relationships in economics. It expresses consumption as a function of disposal income, where disposal income is income after taxes. The attached file "Regression Dataset" shows data on average US annual consumption (in $) and disposable income (in $) for the years 2000 to 2016.
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Find the sample linear regression equation for the model
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In this model, the slope coefficient is the marginal propensity to consume.
Interpret its meaning
- What is the predicted consumption if disposal income is $33,000?
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Regression
Economics
Marginal Propensity to Consume
Statistics
Formulas
Linear Regression Equation: Y = a + bX
Slope: b = Σ[(X - X̄)(Y - Ȳ)] / Σ(X - X̄)^2
Marginal Propensity to Consume (MPC): MPC = ΔC / ΔY
Theorems
Ordinary Least Squares (OLS) Estimation
Suitable Grade Level
Undergraduate Economics/Statistics
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