当前位置:文档之家› 真实世界中的经济学 (20)[58页]

真实世界中的经济学 (20)[58页]


DEFINITIONS
There are four types of goods, depending on whether or not the good is excludable and whether or not it is rival in consumption. They are:
• Private goods: these are rival in consumption and excludable
© 2007 Worth Publishers Economics Krugman • Wells
2 of 58
chapter
A Policeman’s Lot
1. Law enforcement is an example of: A) a public good. B) a private good. C) a negative externality. D) moral hazard.
• Common resources: these are rival in consumption and nonexcludable
• Artificially scarce goods: these are nonrival in consumption and excludable
• Public goods: these are nonrival in consumption and nonexcludable
© 2007 Worth Publishers Economics Krugman • Wells
8 of 58
chapter
HINT Four Types of Goods
© 2007 Worth Publishers Economics Krugman • Wells
9 of 58
chapter
© 2007 Worth Publishers Economics Krugman • Wells
5 of 58
chapter
A Policeman’s Lot
2. The security and alarm system at a bank is an example of: A) a public good. B) a private good. C) a negative externality. D) moral hazard.
© 2007 Worth Publishers Economics Krugman • Wells
பைடு நூலகம்
4 of 58
chapter
A Policeman’s Lot
2. The security and alarm system at a bank is an example of: A) a public good. B) a private good. C) a negative externality. D) moral hazard.
Goods that are nonexcludable suffer from the freerider problem: individuals have no incentive to pay for their own consumption and instead will take a “free ride” on anyone who does pay.
© 2007 Worth Publishers Economics Krugman • Wells
6 of 58
chapter
A Policeman’s Lot
3. People in a community would not be likely to voluntarily “chip in” for a security team that would patrol the entire community because: A) most people are not rational consumers. B) they can be free-riders. C) they believe that crime cannot be prevented. D) they believe it would be an inefficient production of the service.
© 2007 Worth Publishers Economics Krugman • Wells
7 of 58
chapter
A Policeman’s Lot
3. People in a community would not be likely to voluntarily “chip in” for a security team that would patrol the entire community because: A) most people are not rational consumers. B) they can be free-riders. C) they believe that crime cannot be prevented. D) they believe it would be an inefficient production of the service.
© 2007 Worth Publishers Economics Krugman • Wells
chapter
SCENARIO
A Policeman’s Lot
Given how much individuals and businesses spend on security and theft prevention, why do we have public police departments?
© 2007 Worth Publishers Economics Krugman • Wells
3 of 58
chapter
A Policeman’s Lot
1. Law enforcement is an example of: A) a public good. B) a private good. C) a negative externality. D) moral hazard.
相关主题