Krugman's Economics For Ap* - 2 Edition - Chapter Section 3 - Problem 7
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# Eastland College is concerned about the rising price of textbooks that students must

Krugman's Economics for AP* | 2nd Edition

Problem 7

Eastland College is concerned about the rising price of textbooks that students must purchase. To better identify the increase in the price of textbooks, the dean asks you, the Economics Departments star student, to create an index of textbook prices. The average student purchases three English, two math, and four economics textbooks. The prices of these books are given in the accompanying table. a. What is the percent change in the price of an English textbook from 2008 to 2010? b.What is the percent change in the price of a math textbook from 2008 to 2010? c. What is the percent change in the price of an economics textbook from 2008 to 2010? d. Using 2008 as a base year, create a price index for these books for all years. e. What is the percent change in the price index from 2008 to 2010?

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Chapters 1 and 2: Introduction to Economics Jan 25 Supply Curve  Factors that Shift: o Input/Resource Prices  Input prices and supply move opposite  How would an increase in the price of leather (an input) affect the supply of shoes o Technology  The production process of changing economic resources into goods and services  When technology improves, supply increases o Taxes  Taxation and supply move opposite o Expectations of Future Prices  Expected future price changes and supply move opposite  Good must be durable/storable o Number of Sellers  Usually the number of sellers in a market

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