EBK ECONOMICS: PRINCIPLES AND POLICY
13th Edition
ISBN: 9780100605930
Author: Blinder
Publisher: YUZU
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Chapter 36, Problem 4TY
To determine
The effects of the act of arbitrage on price fluctuations.
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In Belarus, the government doesn’t allow trading of its ruble outside a narrow price range, which greatly overvalues the ruble – there is a price floor on the ruble compared to euros or dollars. Because of the floor, currency trading has dried up – who would want to sell foreign currencies for grossly overpriced Belarusian rubles? A friend of one of my students has a web site designed to overcome rigidities in this market, a sort of Craigslist for currency. People specify amounts they are willing to buy or sell, agree to trade at some price and arrange a meeting place. When they meet, the trade nominally occurs at the official price floor, making the transaction nominally legal; but the person selling rubles makes extra payments to the buyer to lower the price sufficiently so that the trade actually takes place at the equilibrium price. This is one more way in which technology helps markets circumvent imperfections and rigidities.
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Chapter 36 Solutions
EBK ECONOMICS: PRINCIPLES AND POLICY
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