During which decade did the original Phillips curve break down? Also, briefly explain why the original Phillips curve broke during this period
What will be an ideal response?
The original Phillips curve broke down in the United States in the 1970s. First, the United States was affected by oil shocks that would cause an increase in both inflation and the unemployment rate. Second, individuals changed the way they formed expectations of prices. Rather than assume that this year's price level would be equal to last year's price level (i.e., zero expected inflation), individuals started to assume that previous inflation would persist.
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In 1991, Argentina decided to peg its currency (the Argentinean peso) to the U.S. dollar
To maintain the peg, Argentina had to purchase surplus pesos on the foreign exchange market, depleting its reserves of dollars to such an extent that it eventually had to abandon the peg. Show graphically what this implies about the peg relative to the equilibrium exchange rate in the market for the Argentinean peso.
Imagine that there are two countries, Home and Far Far Away, and that residents of each own only one asset, domestic land yielding an annual harvest of mangoes. Assume that the yield on the land is uncertain
Half the time, Home's land yields a harvest of 5,000 tons of mangoes at the same time as Far Far Away's land yields a harvest of 2,500 tons. The other half of the time the outcomes are reversed. The average for each country mango harvest is A) 2500. B) 2750. C) 3500. D) 3750. E) 3000.