The tools, instruments, machines, and buildings that people use to produce goods and services are called human capital

You are expecting to receive $750 at some time in the future. Which of the following would unambiguously decrease the present value of this future payment?

a. Interest rates rise and you get the payment sooner. b. Interest rates rise and you have to wait longer for the payment. c. Interest rates fall and you get the payment sooner. d. Interest rates fall and you have to wait longer to get the payment.

Which approach to calculating GDP would be best to compare consumer activity versus government purchases?

A. The expenditure approach B. The income approach C. The value-added approach D. Any of these measurements will allow that comparison equally well.