Question: Cal State Fullerton Problem 1: I have uploaded data (PCE-PDI.xls) for the US total personal consumption expenditures and total disposable income from 1971:1 to 2009:7.

Cal State Fullerton Problem 1: I have uploaded data (PCE-PDI.xls) for the US total personal consumption expenditures and total disposable income from 1971:1 to 2009:7. Divide the entire sample into two subsamples: 1971:01 to 1985:12 and 1986:01 to 2009:07. Here consumption expenditure (PCE) is the dependent variable and disposable income (PDI) is the independent variable. Let variable Y denotes consumption expenditure and variable X denotes disposable income. (a) Estimate a two-variable regression model for both subsamples and report the estimated results. (10) (b) Interpret the estimated values of Beta in each sample. Why do you think that that the estimated values of Beta are different in these two subsamples? Explain. (Hint: There may not be any correct answer to this. I just want to know your opinions)

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