A village has five residents, each of whom has an accumulated savings of $50. Each
villager can use the money to buy a government bond that pays 10% interest per year or
to buy a year-old goat, send it onto the commons to graze, and sell it after one year. The
price of the goat that the villager will get at the end of the year depends on the amount
of weight it gains while grazing on the commons, which in turn depends on the number
of goats sent onto the commons, as shown in table below. Assume that if a villager is
indifferent between buying a bond and buying a goat, the villager will buy a goat.
When the each villager decides how to invest based on his or her narrow self-interest,
total village income will be ______ when the village collectively decides how to invest.
A. lower than
B. higher than
C. the same as
D. either higher or lower depending on the price of goats
If the interest rate in the U.S. rises, U.S. financial assets become ______ attractive to
buyers and the ______ U.S. dollars will rise.
A. more; demand for
B. more; supply of
C. less; demand for