【单选题】Suppose that the pound is pegged to gold at £20 per ounce and the dollar is pegged to gold at $35 per ounce. This implies an exchange rate of $1.75 per pound. If the current market exchange rate is $1...
A.
Start with $350. Buy 10 ounces of gold with dollars at $35 per ounce. Convert the gold to £200 at £20 per ounce. Exchange the £200 for dollars at the current rate of $1.80 per pound to get $360.
B.
Start with $350. Exchange the dollars for pounds at the current rate of $1.80 per pound. Buy gold with pounds at £20 per ounce. Convert the gold to dollars at $35 per ounce.
【判断题】A 2% rate of growth in real GDP per person implies that average income doubles about every 35 years, whereas a 7% growth in real GDP per person implies that average income doubles every 10 years.