Between 2013 and 2014, if an economy’s exports rise by $8 billion and its imports fall
by $8 billion, by how much will GDP change between the two years, all else equal?
A) Net exports will increase GDP by $8 billion.
B) The increase in exports is offset by the decrease in imports, so there is no change in
net exports and no effect on GDP.
C) Net exports will increase GDP by $16 billion.
D) Net exports will decrease GDP by $8 billion.
Table 14-2 Table 14-2
shows the payoff matrix for Wal-Mart and Target from every combination of pricing
strategies for the popular PlayStation 3. At the start of the game each firm charges a low
price and each earns a profit of $7,000.
Suppose Wal-Mart and Target both advertise that they will match the lowest price
offered by any competitor. What is the purpose of such a strategy?
A) to signal to each other not to charge below the current low price
B) to signal to each other that they will not hesitate to initiate a price war
C) to signal to each other that they intend to charge the high price