In the equation Y = C +I +G +NX,

	a.	"I" refers to spending on the stock market
	b.	All these answers are correct
	c.	"Y" represents total output of the economy
	d.	All the variables are positive

In investment decisions, we use

	a.	the nominal rate, since you have no way of knowing what's real.
	b.	the nominal interest rate, since that is what the bank is paying you, in the end.
	c.	either one, since the nominal and the real are usually the same.
	d.	the real interest rate, or the nominal rate minus the inflation rate, since it gives the real rate of return.

GDP is not a perfect measure of our well-being because

	a.	all these answers are true.
	b.	It places too much emphasis on environmental destruction, which is something that will happen in the future,but not now.
	c.	It does not include the value of our leisure time,which is important to us.
	d.	It includes too many non-market goods and services which are of little value to us.