Use the Following to Answer Questions

question 133

Multiple Choice

Use the following to answer questions .
Exhibit: Aggregate Expenditures (AE) in a Simplified Economy

-(Exhibit: Aggregate Expenditures (AE) in a Simplified Economy) Consider a simple economy that is made up of only two sectors, households and firms, and that all investment is autonomous. Further, disposable personal income = real GDP and the economy is currently producing at its level of potential real GDP. What is the marginal propensity to consume in this economy?

• A) 0.5
• B) 0.6
• C) 0.75
• D) 0.8

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Definitions:

Internal Consistency

The degree of reliability within a test—the extent to which different parts of the same test yield the same results.

Split-Half Reliability

A measure of internal consistency, often ascertained by comparing responses on odd-numbered test items with responses on even-numbered test items and seeing if the scores for these responses are correlated.

Coefficient Alpha

A method for evaluating internal consistency, calculated by averaging the intercorrelations of all the items on a given test. The higher the coefficient alpha, the higher the internal consistency.