供给与需求章节目标学生在本章中学习krugman2e irm ch03.pdf
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chapter3
SupplyandDemand
ChapterObjectives
Studentswilllearninthischapter:
•Thatthemarketforagoodcanbedescribedwithtwocurves:ademandcurveand
asupplycurve.
•Thatacompetitivemarketismadeupofmanybuyersandsellersandnob
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