A、decision makers.
B、scarce resources.
C、models.
D、unlimited resources.
A、using computer simulations.
B、using data from the distant past.
C、using data from the real world.
D、using logic alone.
A、the government.
B、prices.
C、coordination officials.
D、microeconomics.
A、shift leftward when the price of the good increases.
B、shift rightward when the price of the good increases.
C、slope downward.
D、slope upward.
A、Economists need to include more reality in their models.
B、Economists will use a model until it is refuted by someone.
C、Microeconomists study economic growth.
D、B and C
A、shift leftward.
B、shift rightward.
C、remain unchanged.
D、become steeper.
A、leftward shift in the supply curve.
B、rightward shift in the supply curve.
C、movement up along the supply curve.
D、movement down along the supply curve.
A、only with government regulation.
B、only because of the profit motive of firms.
C、only because of the complacency of consumers.
D、through the interaction of self-interested consumers and producers.
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