第 1 题
1 分Which of the following characteristics best define a common pool resource, such as a community forest?
IB Diploma Programme (DP) - SL & HL · Economics
市場失靈——外部性與共有資源：练习题
5 道选择题即时批改，另有 3 道文字题附完整解题步骤，全部围绕「市場失靈——外部性與共有資源」。
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第 2 题
1 分From the perspective of allocative efficiency, the socially optimum level of output in any market is the quantity where:
第 3 题
1 分Which of the following explains why a common pool resource, such as international fishing waters, faces the threat of over-exploitation (the "tragedy of the commons"), whereas a public good faces the threat of non-provision?
第 4 题
1 分In a free market, a positive externality of consumption, such as the use of public transport, typically leads to which outcome?
第 5 题
1 分In the context of common pool resources, such as a local fishing lake, why does the "tragedy of the commons" typically occur in a free market without government intervention or collective agreements?
第 6 题
4 分Explain why common pool resources, such as ocean fisheries, often lead to market failure and identify one government policy that could potentially mitigate this issue.
先自己写一遍答案，再对照解题步骤。
第 7 题
5 分Explain why common pool resources lead to market failure by comparing the private incentives of users with the socially optimum condition involving marginal external costs (\(MEC\)).
先自己写一遍答案，再对照解题步骤。
第 8 题
5 分Using the concepts of marginal private benefit (\(MPB\)) and marginal social benefit (\(MSB\)), explain why the consumption of vaccines in a free market results in a positive externality of consumption and identify the resulting impact on social welfare.
先自己写一遍答案，再对照解题步骤。
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