Which one of the following is NOT a characteristic of public goods?
A) They are indivisible.
B) It is difficult to charge people on the basis of how much they use.
C) Public goods can be used by increasing numbers of people at no additional cost.
D) Public goods are subject to the principle of rival consumption.
Answer: D
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In a frictionless world
A) Fully funded social security must necessarily make everyone better off, as it provides for retirement. B) Fully-funded social security is a constraint on private saving behavior, and therefore cannot make anyone better off. C) Fully funded social security is always preferred to pay-as-you-go social security. D) Fully funded social security is more efficient, because it is a private program instead of a government program.
Refer to the above figure. Profits will be positive
A) when the price equals $1. B) when the price equals $2. C) at prices between $1 and $2. D) when the price is above $2.