Which of the following events could shift the demand curve for gasoline to the left?
a. The income of gasoline buyers rises, and gasoline is a normal good.
b. The income of gasoline buyers falls, and gasoline is an inferior good.
c. Public service announcements run on television encourage people to walk or ride bicycles instead of driving cars.
d. The price of gasoline rises.
c
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What is a patent used for?
a) to disseminate information b) to restrict ownership c) to protect inventors for as long as they live d) to assign property rights
Which of the following increases the quantity supplied of good X but does NOT increase the supply of good X?
A) a fall in the price of a factor production used to produce X B) an advance in the technology for producing X C) an increase in the price of good Y, a complement in the production of X D) an increase in the price of X