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The Free Rider Problem and the Tragedy of the Commons definitions

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  • Public Good
    A resource that is both non-rival and non-excludable, making it difficult for private markets to supply efficiently.
  • Non-Rivalry
    A situation where one person's consumption does not reduce the amount available for others.
  • Non-Excludability
    A characteristic where it is difficult or impossible to prevent individuals from accessing a resource.
  • Free Rider Problem
    A challenge where individuals benefit from a good without contributing to its cost, leading to under-provision.
  • Marginal Benefit
    The additional satisfaction or value gained by society from consuming one more unit of a good.
  • Marginal Cost
    The extra expense incurred to provide one additional unit of a good or service.
  • Common Resource
    A resource that is rival but non-excludable, often leading to overuse and depletion.
  • Tragedy of the Commons
    A scenario where shared resources are overused and degraded due to individual incentives outweighing collective well-being.
  • Externality
    A side effect of an individual's actions that imposes costs or benefits on others not reflected in market prices.
  • Property Rights
    Legal or social arrangements that determine how resources are owned and used, influencing incentives for conservation.
  • Negative Externality
    A cost imposed on society by individual actions, such as resource depletion, not accounted for in private decisions.
  • Efficient Quantity
    The level of resource use where total societal benefits are maximized, considering all costs, including externalities.
  • Private Cost
    The expense directly borne by an individual or firm when making economic decisions, excluding external effects.
  • Social Cost
    The total cost to society, including both private expenses and externalities, from producing or consuming a good.
  • Government Intervention
    Actions by authorities, such as taxation or regulation, to correct market failures and ensure efficient resource allocation.