In the fourteenth century it is estimated that deaths resulting from the bubonic plague
reduced the population by about a third. Assuming diminishing returns, the decrease in
population should have
a. increased productivity and real GDP per person.
b. increased productivity but decreased real GDP per person.
c. increased real GDP per person, but decreased productivity.
d. decreased productivity and real GDP per person.
Which, if any, of the present values below are computed correctly?
a. A payment of $100 to be received one year from today, with a 2 percent interest rate,
has a present value of $98.81.
b. A payment of $200 to be received two years from today, with a 3 percent interest
rate, has a present value of $188.52.
c. A payment of $300 to be received three years from today, with a 4 percent interest
rate, has a present value of $234.34.
d. None of the above are correct to the nearest cent.