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3#
发表于 2013-8-9 10:38
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Suppose that both the supply curve and the demand curve slope downward. If the quantity demanded increases, then the quantity supplied will increase, lowering the price (because the supply curve slopes downward). The lower price leads to a greater quantity demanded, and a greater quantity supplied, further lowering of the price, and so on; the market moves away from the equilibrium point.
Similarly, if the quantity demanded decreases, the quantity supplied will decrease, increasing the price (because the supply curve slopes downward). The higher price leads to a lower quantity demanded, and a lower quantity supplied, further increasing the price, and so on; the market moves away from the equilibrium point. |
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