3. The movement from point A to point B on the graph is caused by (in Figure 1)
(A) a decrease in the price of the good.
(B) an increase in the price of the good.
(C) an advance in production technology.
(D) a decrease in input prices.
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3. The movement from...
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這是一道關於經濟學中供給與需求（Supp...
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