D) The demand for textbooks has increased.
E) The facts aren’t true.
People who attend college for four years in order to equip themselves to earn higher
incomes in later life are
A) discounting the future at a higher rate than do people who don’t attend college.
B) giving up future satisfaction for the sake of current satisfaction.
C) ignoring the fact that future income has less value than current income.
D) investing in human capital.
E) revealing a high rate of time preference.
Maxine and Deborah both got hair extensions, costing each of them $300. Maxine’s hair
was done perfectly. She enjoyed the new look. The job on Deborah’s hair was all
botched up. The hairdresser apologized for her mistake, took the extensions out, and
refunded all of Deborah’s money. Which of the following, in dollar terms, is true?
A) Deborah did not incur a sunk cost.
B) Maxine did not incur a sunk cost.