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  2. Externality - Wikipedia

    en.wikipedia.org/wiki/Externality

    The marginal private cost is less than the marginal social or public cost by the amount of the external cost, i.e., the cost of air pollution and water pollution. This is represented by the vertical distance between the two supply curves. It is assumed that there are no external benefits, so that social benefit equals individual benefit.

  3. Pricing strategies - Wikipedia

    en.wikipedia.org/wiki/Pricing_strategies

    Contribution margin-based pricing maximizes the profit derived from an individual product, based on the difference between the product's price and variable costs (the product's contribution margin per unit), and on one's assumptions regarding the relationship between the product's price and the number of units that can be sold at that price.

  4. Perfect competition - Wikipedia

    en.wikipedia.org/wiki/Perfect_competition

    In equilibrium these prices must equal the respective marginal costs and ; remember that marginal cost equals factor 'price' divided by factor marginal productivity (because increasing the production of good by one very small unit through an increase of the employment of factor requires increasing the factor employment by and thus increasing ...

  5. Resource rent - Wikipedia

    en.wikipedia.org/wiki/Resource_rent

    Scarcity rent is one of two costs the extraction of a finite resource imposes on society. The other is marginal extraction cost--the opportunity cost of resources employed in the extraction activity. Scarcity rent is the cost of "using up" a finite resource because benefits of the extracted resource are unavailable to future generations.

  6. Public good (economics) - Wikipedia

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

    These marginal valuations are, formally, marginal rates of substitution relative to some reference private good, and the marginal cost is a marginal rate of transformation that describes how much of that private good it costs to produce an incremental unit of the public good. This contrasts to the social optimality condition of private goods ...

  7. Marginal concepts - Wikipedia

    en.wikipedia.org/wiki/Marginal_concepts

    A marginal benefit is a benefit (howsoever ranked or measured) associated with a marginal change. The term “marginal cost” may refer to an opportunity cost at the margin, or more narrowly to marginal pecuniary cost — that is to say marginal cost measured by forgone cash flow. Other marginal concepts include (but are not limited to):

  8. Electricity market - Wikipedia

    en.wikipedia.org/wiki/Electricity_market

    Electricity market is characterized by unique features [12] that are atypical in the markets for commodities or consumption goods.. Although few somewhat similar markets exist (for example, airplane tickets and hotel rooms, like electricity, cannot be stored and the demand for them varies by season), [13] the magnitude of peak pricing (peak price can be 100 times higher than an off-peak one ...

  9. Diminishing returns - Wikipedia

    en.wikipedia.org/wiki/Diminishing_returns

    Similarly, if the third kilogram of seeds yields only a quarter ton, then the marginal cost equals per quarter ton or per ton, and the average cost is per 7/4 tons, or /7 per ton of output. Thus, diminishing marginal returns imply increasing marginal costs and increasing average costs. Cost is measured in terms of opportunity cost. In this case ...