positive externality

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• Externality — External redirects here. For other uses, see External (disambiguation). In economics, an externality (or transaction spillover) is a cost or benefit, not transmitted through prices,[1] incurred by a party who did not agree to the action causing… …   Wikipedia

• Externality — A consequence of an economic activity that is experienced by unrelated third parties. An externality can be either positive or negative. Pollution emitted by a factory that spoils the surrounding environment and affects the health of nearby… …   Investment dictionary

• externality — ex‧ter‧nal‧i‧ty [ˌekstɜːˈnælti ǁ ɜːr ] noun externalities PLURALFORM [countable usually plural] ECONOMICS something that is not directly connected to an industrial process or economic activity but has an effect on it: • Clean air rules are all… …   Financial and business terms

• Pecuniary externality — A pecuniary externality is an externality which operates through prices rather than through real resource effects. For example, an influx of city dwellers buying second homes in a rural area can drive up house prices, making it difficult for… …   Wikipedia

• Social cost — In economics social cost is defined as the sum of private and external costs. Economic theorists ascribe individual decision making to a calculation costs and benefits. Rational choice theory assumes that individuals only consider their own… …   Wikipedia

• Marginal cost — A typical marginal cost curve with marginal revenue overlaid In economics and finance, marginal cost is the change in total cost that arises when the quantity produced changes by one unit. That is, it is the cost of producing one more unit of a… …   Wikipedia

• Pigovian tax — A Pigovian tax (also spelled Pigouvian tax) is a tax levied to correct the negative externalities of a market activity. Pigovian taxes are named after economist Arthur Pigou (1877 1959), who also developed the concept of economic externalities.… …   Wikipedia

• Economics — This article is about the social science. For other uses, see Economics (disambiguation). For a topical guide to this subject, see Outline of economics. Economics …   Wikipedia

• Stadium Subsidy — A stadium subsidy is a type of government subsidy given to professional sports franchises to help finance the construction or renovation of sports stadiums. Stadium subsidies can come in the form of cash payments, tax abatements, infrastructure… …   Wikipedia

• Network effect — Diagram showing the network effect in a few simple phone networks. The lines represent potential calls between phones. In economics and business, a network effect (also called network externality or demand side economies of scale) is the effect… …   Wikipedia

• Invention — An invention is a new form, composition of matter, device, or process. Some inventions are based on pre existing forms, compositions, processes or ideas. Other inventions are radical breakthroughs which may extend the boundaries of human… …   Wikipedia