The effect of a decrease in the price of personal computers, other things constant, is likely to be best represented by which of the following?
a. a leftward shift of the demand curve
b. a movement leftward along the demand curve
c. a rightward shift of the demand curve
d. a movement rightward along the demand curve
e. a rightward shift of the supply curve
Question 2
Studies show that the demand curve for peas has shifted. Which of the following explanations would you reject first?
a. The price of string beans has changed.
b. The demand for corn has changed.
c. The demand for string beans has changed.
d. The income of consumers has changed.
e. The price of peas has changed.
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Investment in Computers as a Percentage of GDP, 1982–2009
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Exercise about living things