Any improvement in overall production technology that permits more output to be produced with the same level of inputs causes
A) a movement up the supply curve resulting in both a higher equilibrium price and quantity.
B) a rightward shift of the supply curve so that more is offered at each price.
C) no movement of the supply curve, but a fall in price and a decrease in quantity supplied.
D) a leftward shift of the supply curve so that less is offered for sale at each price.
B
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Refer to Figure 17-3. In Panel A, at high wages (segment iii)
A) the price of leisure is rising relative to the price of labor. B) laborers work more as wages increase. C) the price of leisure is falling relative to the price of labor. D) labor suppliers take more leisure as wages increase.
Suppose that research shows that by buying stocks issued by companies whose names begin with the letter G investors can earn above-normal returns in even-numbered years. From the perspective of the efficient markets hypothesis,
A) this is further evidence that the hypothesis is correct. B) this would be considered a pricing anomaly. C) investors must have insider information on these companies. D) purchasers of these stocks must have been noise traders.