Everyone knows the unpleasant feeling that results from the price of something you've been longing to buy increasing – or the excitement of seeing your favorite snack go on sale! When the price of a good changes, consumers' demand for that good changes. We can understand these changes by graphing supply and demand curves and analyzing their properties.
Prof. Jonathan Gruber
14.01 Principles of Microeconomics
(Massachusetts Institute of Technology: MIT OpenCourseWare)
Date accessed: 2012-03-01
License: Creative Commons BY-NC-SA
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