✔ 最佳答案
係…
求其諗個例子…
如果CD player既demand increase…可能係因為潮流之類既關係啦…
自然demand for CD都會increase啦…
其實只要係多左人買good X, demand for good Y就會 increase…唔理原因係價錢定其他因素
2007-04-17 20:02:27 補充:
To googoola16: 似乎你唔知咩叫引申需求(derived demand)大家要分清楚 Joint demand 同derived demand.Joint demand係:Two goods togerther satisfies one wants.Derived demand:One good is the factor of production of the other.唔通你想話CD係CD player既factor of production? 唔好講笑啦…
2007-04-17 20:02:37 補充:
只要係Joint demand, 一樣野多左人買, 另一樣都會多左人買, 如果demand for CD 增加 , demand for CD player 都會增加,我都做過呢d passpaper嫁\ ___ /我ECON A嫁\ ____ /
2007-04-18 01:02:56 補充:
MSN啦:
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