Suppose Measures an Economy's Personal Consumption Expenditure and X

question 1

Multiple Choice

Suppose measures an economy's personal consumption expenditure and x the personal income, both in billions of dollars. Then, measures the economy's savings corresponding to an income of x billion dollars. Then . ​
The quantity dS/dx is called the marginal propensity to save.
​
For the consumption function , where and x are measured in billions of dollars, find the marginal propensity to save when .
​

• A) -$0.213 billion/billion dollars
• B) $0.874 billion/billion dollars
• C) -$0.85 billion/billion dollars
• D) $0.119 billion/billion dollars

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General Practice

A medical practice providing primary and continuing care, addressing a broad range of personal health services regardless of the patient's age or sex.

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