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Information about Rivalry (economics)

In economics, a good is considered either rivalrous (rival) or nonrival. Rival goods are goods whose consumption by one consumer prevents simultaneous consumption by other consumers. Most goods, both durable and nondurable, are rival goods. A hammer is a durable rival good. One person's use of the hammer presents a significant barrier to others who desire to use that hammer at the same time. However, the first user does not "use up" the hammer, meaning that some rival goods can still be shared through time. An apple is a nondurable rival good: once an apple is eaten, it is "used up" and no longer able to be eaten by others.

In contrast, nonrival goods may be consumed by one consumer without preventing simultaneous consumption by others. Most examples of nonrival goods are intangible. Television is an example of a nonrival good: when a consumer turns on a set, this doesn't prevent the TV in another consumer's house from working. Here, the nonrival good is not the TV but rather the television service. More generally, most intellectual property is nonrival. Nonrival, tangible objects include a beautiful scenic view or the common cold.

Goods that are non-rival are therefore goods that can be enjoyed simultaneously by an unlimited number of consumers. Goods that are both nonrival and non-excludable are called public goods.

Rivalrous and Non-Rivalrous are also terms that can also be used when describing media consumption. A rivalrous media describes one that cannot be easily consumed while performing other tasks. For example, watching television or reading while driving. Whereas a Non-Rivalrous media is one that can easily be consumed and enjoyed while performing other tasks. For example, listening to the radio or engaging in conversation while driving.

Types of goods public good - private good - common good - common-pool resource - club good - anti-rival goods
rivalrous good and non-excludable good
complement good vs. substitute good
free good vs. scarce good, positional good
(non-)durable good - intermediate good (producer good) - final good - consumer good - capital good
inferior good - normal good - ordinary good - Giffen good - luxury good - Veblen good - superior good
search good - (post-)experience good - merit good - credence good - demerit good
Economics is the social science that studies the production, distribution, and consumption of goods and services. The term economics comes from the Greek for oikos (house) and nomos (custom or law), hence "rules of the house(hold).
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A good or commodity in economics is any object or service that increases utility, directly or indirectly, not to be confused with good in a moral or ethical sense (see Utilitarianism and consequentialist ethical theory).
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For other uses, see consumption


In economics, consumption refers to the final use of goods and services to provide utility.

Keynesian economics and aggregate consumption

In Keynesian economics aggregate consumption
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Heterotroph.


Consumers refers to individuals or households that purchase and use goods and services generated within the economy. The concept of a consumer is used in different contexts, so that the usage and significance of the term may vary.
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In economics, a durable good or a hard good is a good which does not quickly wear out, or more specifically, it yields services or utility over time rather than being completely used up when used once. Most goods are therefore durable goods to a certain degree.
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For the Plastikman album, see Consumed (album)
Consumed were a punk rock band from the outskirts of Nottingham, England. Primarily consisting of brothers Steve and Mike Ford who provided the songwriting, vocals and guitars.
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Television (often abbreviated to TV, T.V., or more recently, tv; sometimes called telly, the tube, boob tube, or idiot box in British English) is a widely used telecommunication system for broadcasting and receiving moving pictures
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intellectual property (IP) is an umbrella term for various legal entitlements which attach to certain names, written and recorded media, and inventions. The holders of these legal entitlements may exercise various exclusive rights in relation to the subject matter of the IP.
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A view is what can be seen in a range of vision. View may also be used as a synonym of point of view in the first sense. View may also be used figuratively or with special significance—for example, to imply a scenic outlook or special vantage point:


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Acute nasopharyngitis
Classification & external resources

ICD-10 J 00.0
ICD-9 460

DiseasesDB 31088
MedlinePlus 000678
eMedicine med/2339  
MeSH D003139 Acute viral nasopharyngitis, or acute coryza
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Excludability is defined in economics as whether or not it is possible to exclude people who have not paid for a good or service from consuming it. Where it is impossible to prevent an individual who does not pay for that thing from enjoying the benefits of it, the good is termed
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public good is a good that is non-rival and non-excludable. This means that consumption of the good by one individual does not reduce the amount of the good available for consumption by others; and no one can be effectively excluded from using that good.
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A good or commodity in economics is any object or service that increases utility, directly or indirectly, not to be confused with good in a moral or ethical sense (see Utilitarianism and consequentialist ethical theory).
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public good is a good that is non-rival and non-excludable. This means that consumption of the good by one individual does not reduce the amount of the good available for consumption by others; and no one can be effectively excluded from using that good.
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A private good is defined in economics as a good that exhibits these properties:
  • Excludable - it is reasonably possible to prevent a class of consumers (e.g. those who have not paid for it) from consuming the good.

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For the philosophical term, see .


In economics the term common good is used to refer to rivalrous and non-excludable goods. One of the most common ways of looking at goods in economics, illustrated in the table below, is the classic division based
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A common-pool resource (CPR), alternatively termed a common property resource, is a particular type of good consisting of a natural or human-made resource system, the size or characteristics of which makes it costly, but not impossible, to exclude potential beneficiaries
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Club goods (also known as collective goods) are a type of good in economics, sometimes classified as a subtype of public goods that are excludable but non-rivalrous, at least until reaching a point where congestion occurs.
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Types of goods public good - private good - common good - common-pool resource - club good - anti-rival goods
rivalrous good and non-excludable good
complement good vs. substitute good
free good vs.

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In economics, a good is considered either rivalrous (rival) or nonrival. Rival goods are goods whose consumption by one consumer prevents simultaneous consumption by other consumers. Most goods, both durable and nondurable, are rival goods. A hammer is a durable rival good.
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Excludability is defined in economics as whether or not it is possible to exclude people who have not paid for a good or service from consuming it. Where it is impossible to prevent an individual who does not pay for that thing from enjoying the benefits of it, the good is termed
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A complementary good or complement good in economics is a good which is consumed with another good; its cross elasticity of demand is negative. This means that, if goods A and B were complements, more of good A being bought would result in more of good B also being bought.
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In economics, one kind of good (or service) is said to be a substitute good for another kind insofar as the two kinds of goods can be consumed or used in place of one another in at least some of their possible uses.
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The free good is a term used in economics to describe a good that is not scarce. A free good is available in as great a quantity as desired with zero opportunity cost to society.

A good that is made available at zero price is not necessarily a free good.
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In economics, scarcity is defined as the condition of human wants and needs exceeding production possibilities. In other words, society does not have sufficient productive resources to fulfill those wants and needs.
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Positional goods are products and services whose value is mostly, if not exclusively, a function of their ranking in desirability in comparison to substitutes. The extent to which a good's value depends on such a ranking is referred to as its positionality.
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In economics, a durable good or a hard good is a good which does not quickly wear out, or more specifically, it yields services or utility over time rather than being completely used up when used once. Most goods are therefore durable goods to a certain degree.
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Intermediate goods or producer goods are goods used as inputs in the production of other goods, such as partly finished goods or raw materials. A firm may make then use intermediate goods, or make then sell, or buy then use them.
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final goods are goods that are ultimately consumed rather than used in the production of another good. For example, a car sold to a consumer is a final good; the components such as tires sold to the car manufacturer are not; they are intermediate goods used to make the final good.
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final goods are goods that are ultimately consumed rather than used in the production of another good. For example, a car sold to a consumer is a final good; the components such as tires sold to the car manufacturer are not; they are intermediate goods used to make the final good.
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