Which of the Following Is Downward-Sloping

question 55

Multiple Choice

Which of the following is downward-sloping?

• A)both the long-run Phillips curve and the long-run aggregate-supply curve
• B)neither the long-run Phillips curve nor the long-run aggregate-supply curve
• C)the long-run Phillips curve,but not the long-run aggregate-supply curve
• D)the short-run Phillips curve,but not the long-run aggregate-supply curve

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Definitions:

Linear Trend Line

A straight line that best fits the data points in a scatter plot, showing a linear relationship between variables.

Quadratic Model

A mathematical model in which the relationship between the independent variable and the dependent variable is represented by a second-degree polynomial equation.

Mean Absolute Deviation

The average of the absolute differences between each data point in a set of values and the mean of that set.

Sum of Squares

is a statistical technique used to measure the dispersion or variation within a data set, calculated by squaring the differences from the mean and summing them.