How does the real interest affect households' decisions about saving?
What will be an ideal response?
All disposable income is either used for consumption or saving. The opportunity cost of consumption is the amount of foregone interest you could earn if you saved. The return to saving is the real interest rate, so the higher the real interest rate, the greater the opportunity cost of consuming and not saving. As a result, an increase in the real interest rate leads to an increase in the quantity households save.
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Perfect competition is efficient because all the following conditions hold except ________
A. total product is maximized B. firms maximize profit and produce on their supply curves C. consumers get a real bargain and pay a price below the value of the good D. firms minimize their average total cost of producing the good
Changes in the real interest rate affect all of the following components of aggregate expenditure except
A) consumption. B) investment. C) government purchases. D) net exports.