Which of the following demonstrates the law of supply?
a. When the price of leather belts rose, leather belt sellers increase their quantity supplied of leather belts.
b. When car production technology improved, car producers increased their supply of cars.
c. When sweater producers expected sweater prices to rise in the near future, they decreased their current supply of sweaters.
d. When ketchup prices rose, ketchup sellers decreased their quantity supplied of ketchup.
Ans: a. When the price of leather belts rose, leather belt sellers increase their quantity supplied of leather belts.
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The real-nominal principle states that
A) what matters to people is the face value of money or income. B) people respond more to explicit, or real, costs than to implicit costs. C) people respond more to implicit costs than to explicit costs. D) what matters to people is the purchasing power of money or income.
If the quantity of real GDP demanded is greater than the quantity of real GDP supplied, then
A) the economy must be producing at potential GDP. B) aggregate demand changes to restore equilibrium. C) the price level falls to restore the macroeconomic equilibrium. D) the price level rises and firms increase production. E) the price level falls and firms decrease production.