Consider the Simplest Macro Model with Demand-Determined Output

question 38

Multiple Choice

Consider the simplest macro model with demand-determined output.The equations are: C = 150 + 0.8Yd,Yd = Y -T,I = 400,G = 700,T = .2Y,X = 130,and IM = 0.14Y.The marginal propensity to spend on national income in this model is

• A)0.50.
• B)0.54.
• C)0.64.
• D)0.84.
• E)0.86.

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Definitions:

Price

The financial cost of purchasing a product or service.

Apples

Commonly used as an example in economics, representing a tangible good that can be exchanged or consumed.

Bananas

A tropical fruit with a signature yellow peel and soft, sweet flesh, widely consumed around the world and rich in potassium.

Perfect Substitutes

Perfect substitutes are two goods that can be used in place of each other with no loss of utility or preference by consumers.