Which of the following is true of an increase in quantity supplied of a given good?
a. It is represented by a rightward shift in the supply curve.
b. It could result from a technological improvement.
c. The price of a key resource used to produce the good may have decreased.
d. It is caused by an increase in the price of the good.
e. The price of an alternative good has increased.
D
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Airbus is a European jet airline producer. Indian Airlines wants to buy 23 Airbus planes from Airbus, due to increased demand for world travel. As a result
A) the demand curve for European euros and the supply curve for Indian rupees both shift rightward. B) the demand curve for European euros shifts rightward and the supply curve for Indian rupees shifts leftward. C) only the demand curve for Indian rupees shifts rightward. D) only the demand curve for European euros shifts rightward.
If average cost rises as a firm increases its output level,
a. profits are not being maximized b. marginal cost is greater than average cost c. profits are maximized d. marginal revenue is positive e. total cost is minimized