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  2. Social cost - Wikipedia

    en.wikipedia.org/wiki/Social_cost

    Mathematically, social marginal cost is the sum of private marginal cost and the external costs. [3] For example, when selling a glass of lemonade at a lemonade stand, the private costs involved in this transaction are the costs of the lemons and the sugar and the water that are ingredients to the lemonade, the opportunity cost of the labor to combine them into lemonade, as well as any ...

  3. Pigouvian tax - Wikipedia

    en.wikipedia.org/wiki/Pigouvian_tax

    To deal with over-production, Pigou recommends a tax placed on the offending producer. If the government can accurately gauge the social cost, the tax could equalize the marginal private cost and the marginal social cost. In more specific terms, the producer would have to pay for the non-pecuniary externality that it created.

  4. Spillover (economics) - Wikipedia

    en.wikipedia.org/wiki/Spillover_(economics)

    Marginal social cost is the line which includes all externalities including the social cost of pollution in addition to regular production costs. Alternatively, marginal private cost also considers the regular production costs used in a transaction. [8] Thus, in the diagram below, if the market was functioning properly by accounting for ...

  5. Lindahl tax - Wikipedia

    en.wikipedia.org/wiki/Lindahl_tax

    In the Lindahl Model, Dt represents the aggregate marginal benefit curve, which is the sum of Da and Db---the marginal benefits for the two individuals in the economy. In a Lindahl equilibrium, the optimal quantity of the public good will be where the social marginal benefit intersects the marginal cost (point P).

  6. Free-rider problem - Wikipedia

    en.wikipedia.org/wiki/Free-rider_problem

    Social sanctioning, for example, is a norm in and of itself that has a high degree of universality. [31] The goal of much research on the topic of social sanctioning and its effect on the free-rider problem is to explain the altruistic motivation that is observed in various societies.

  7. Margin (economics) - Wikipedia

    en.wikipedia.org/wiki/Margin_(economics)

    Within economics, margin is a concept used to describe the current level of consumption or production of a good or service. [1] Margin also encompasses various concepts within economics, denoted as marginal concepts, which are used to explain the specific change in the quantity of goods and services produced and consumed.

  8. Marginal cost - Wikipedia

    en.wikipedia.org/wiki/Marginal_cost

    Marginal cost is the change of the total cost from an additional output [(n+1)th unit]. Therefore, (refer to "Average cost" labelled picture on the right side of the screen. Average cost. In this case, when the marginal cost of the (n+1)th unit is less than the average cost(n), the average cost (n+1) will get a smaller value than average cost(n).

  9. Friedman rule - Wikipedia

    en.wikipedia.org/wiki/Friedman_rule

    A social optimum occurs when the nominal rate is zero (or deflation is at a rate equal to the real interest rate), so that the marginal social benefit and marginal social cost of holding money are equalized at zero. Thus, the Friedman rule is designed to remove an inefficiency, and by doing so, raise the mean of output.