AP_Krugman_Textbook

(Niar) #1

436 section 8 The Open Economy: International Trade and Finance


Answer (9 points)


1 point:The vertical axis is labeled “Exchange rate (Indian rupees per U.S.
dollar)” and the horizontal axis is labeled “Quantity of U.S. dollars.”


1 point:Demand is downward sloping and labeled, supply is upward sloping
and labeled.


1 point:The equilibrium exchange rate and the equilibrium quantity of dollars
are labeled on the axes at the point where the supply and demand curves
intersect.


1 point:The fixed exchange rate level is depicted above the equilibrium
exchange rate.


1 point:Surplus


1 point:The quantity supplied exceeds the quantity demanded at the higher
fixed exchange rate.


1 point:The surplus is labeled as the horizontal distance between the supply
and demand curves at the fixed exchange rate.


1 point:Buy


1 point:The new demand curve is shown to the right of the old demand curve,
crossing the supply curve at the fixed exchange rate.


Quantity of U.S. dollars

Target
exchange
rate

0

S

D

E

Exchange
rate (Indian
rupees per
U.S. dollar) Surplus



  1. List three tools used to fix exchange rates and explain the major
    costs resulting from their use.

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