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What are Pigouvian taxes?
Indirect taxes imposed to internalize negative externalities, aligning private and social costs.
How do subsidies address positive externalities?
They reduce the cost of producing or consuming merit goods, increasing their use.
What are negative externalities of consumption?
Costs imposed on third parties by consumption, such as secondhand smoke from cigarettes.
How can governments intervene in the provision of public goods?
Through direct provision or contracting private firms to supply them.
What are demerit goods?
Goods that are over-consumed if left to the market, often with negative externalities, like alcohol or cigarettes.
What is the role of international agreements in managing externalities?
They coordinate global responses to sustainability challenges, e.g., the Paris Climate Accord.
What is collective self-governance in managing common resources?
When communities manage resources collectively without external regulation.
What is the free rider problem?
People can benefit from a good without paying, leading to under-provision by the market.
What does MSB = MSC represent?
Allocative efficiency, where social/community surplus is maximized.
What is the socially optimum output?
The output where marginal social benefit (MSB) equals marginal social cost (MSC), achieving allocative efficiency.
What diagram shows market failure due to negative externalities of production?
A diagram with marginal private cost (MPC) lower than marginal social cost (MSC), showing overproduction.
What are the limitations of government intervention in externalities?
Measurement difficulties, effectiveness concerns, and stakeholder conflicts.
Give two examples of government regulation to correct externalities.
Emissions limits for factories and bans on plastic bags.
What are public goods?
Goods that are non-rivalrous and non-excludable, like street lighting or national defense.
What is a common pool resource?
A resource that is rivalrous but non-excludable, like fisheries or forests.
What are merit goods?
Goods that are under-consumed if left to the market, often with positive externalities, like education or healthcare.
What is the 'tragedy of the commons'?
The overuse and depletion of common resources due to individual incentives.
What are positive externalities of production?
Benefits to third parties from the production of a good, such as improved public health from vaccine production.
What are tradable permits?
Market-based instruments that cap total pollution and allow firms to trade emission rights.
How do carbon taxes address market failure?
They increase the cost of emitting COâ‚‚, discouraging pollution and internalizing the external cost.
