20. Which of these statements best represents the law of supply?
When input prices increase, sellers produce less of the good.
When production technology improves, sellers produce less of the good.
When the price of a good decreases, sellers produce less of the good.
When sellers’ supplies of a good increase, the price of the good increases.
21. A supply curve slopes upward because
as more is produced, total cost of production falls.
an increase in input prices increases supply.
the quantity supplied of most goods and services increases over time.
an increase in price gives producers an incentive to supply a larger quantity.
22. Which of the following demonstrates the law of supply?
When leather became more expensive, belt producers decreased their supply of belts.
When car production technology improved, car producers increased their supply of cars.
When sweater producers expected sweater prices to rise in the near future, they decreased their current supply
of sweaters.
When ketchup prices rose, ketchup sellers increased their quantity supplied of ketchup.
23. Which of the following demonstrates the law of supply?
When the price of leather belts rose, leather belt sellers increase their quantity supplied of leather belts.
When car production technology improved, car producers increased their supply of cars.
When sweater producers expected sweater prices to rise in the near future, they decreased their current supply
of sweaters.
When ketchup prices rose, ketchup sellers decreased their quantity supplied of ketchup.