B. At the planned output level, short-run average total cost equals long-run average
cost, but at all other output levels, short-run average total cost is higher than long-run
average cost.
C. The long-run average cost curve touches the minimum point of each short-run
average total cost curve.
D. The long-run average cost curve is identical to the lowest short-run average cost
curve.
Answer:
People have become more concerned about the negative health effects of eating
carbohydrates and fat. Considering these effects only, which of the following best
describes the likely effect of this trend on the market for high-carb, high-fat snacks?
A. Demand shifted to the left leading to a decline in equilibrium price and quantity.
B. Quantity demanded fell leading to a decline in equilibrium price and quantity.
C. Supply shifted to the left leading to a rise in equilibrium price and a decline in
equilibrium quantity.
D. Demand and supply both shifted to the left leading to a decline in equilibrium price
and quantity.
Answer: