Which of the Following Shifts the Aggregate Expenditure Curve AND Shifts

question 418

Multiple Choice

Which of the following shifts the aggregate expenditure curve AND shifts the aggregate demand curve?
I. a decrease in investment
II. a change in the price level
III. an increase in exports

• A) II and III
• B) III only
• C) I and II
• D) I and III

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Definitions:

F-Test

A statistical test used to compare the variances of two populations to see if they are significantly different.

Multicollinearity

A statistical phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, potentially distorting the model's coefficients.

Biased Estimates

Estimates that are systematically different from the population parameters being estimated, due to errors in data collection, analysis, or selection.

Slope Coefficients

In linear regression, the slope coefficient measures the rate of change in the dependent variable for a one-unit change in the independent variable.