大è´ä¸å为:
good's own price ååä»·æ ¼
price of related goods ç¸å
³ååä»·æ ¼
personal disposable income 个人å¯æ¯é
æ¶å
¥
tastes or preferences 个人å欢æåå
consumer expectations about future prices, income and availability æ¶è´¹è
对æªæ¥çä»·æ ¼,æ¶å
¥, å¯ç¨æ§çææ
population 人å£
nature of the good ååå±æ§
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