b. can differ among different individuals considering the activity
c. excludes the monetary cost of the activity
d. equals the money cost of the activity minus its time cost
e. has the same time cost for each individual considering the activity
Which of the following is an accurate description of the U.S. inflation rate since 1950?
a. The rate has always been below 4 percent.
b. Inflation was low in the 1970s.
c. Episodes of high inflation occurred in the 1970s and early 1980s.
d. Inflation rates were very high in the 1960s.
e. Episodes of high inflation occurred in the 1990s.
Betsy graduates from college, where she earned $3,000 a year working part-time, and
takes a job as a third grade teacher, where she now earns $30,000 per year. About the
same time she received her first paycheck, her bicycle was stolen. With her old income
she would have purchased a new bike but with her new income she purchased a new
car. Therefore,
a. bicycles are a normal good for Betsy
b. automobiles are an inferior good for Betsy