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Economics focuses on the study of economic goods, or goods that are scarce; in other words, producing the good requires expending effort or resources. Economic goods contrast with free goods such as air, for which there is an unlimited supply.
In economics, a public good (also referred to as a social good or collective good) [1] is a good that is both non-excludable and non-rivalrous. Use by one person neither prevents access by other people, nor does it reduce availability to others. [1] Therefore, the good can be used simultaneously by more than one person. [2]
Common goods (also called common-pool resources [1]) are defined in economics as goods that are rivalrous and non-excludable. Thus, they constitute one of the four main types based on the criteria: whether the consumption of a good by one person precludes its consumption by another person (rivalrousness)
In economics, the terms public good and common good have technical definitions. A public good is a good that is non-rivalrous and non-excludable. [clarification needed] A common good is simply non-excludable. A simple typology illustrates the differences between various kinds of goods:
Also called resource cost advantage. The ability of a party (whether an individual, firm, or country) to produce a greater quantity of a good, product, or service than competitors using the same amount of resources. absorption The total demand for all final marketed goods and services by all economic agents resident in an economy, regardless of the origin of the goods and services themselves ...
The fact that one good is substitutable for another has immediate economic consequences: insofar as one good can be substituted for another, the demands for the two goods will be interrelated by the fact that customers can trade off one good for the other if it becomes advantageous to do so. Cross-price elasticity helps us understand the degree ...
The earlier term for the discipline was "political economy", but since the late 19th century, it has commonly been called "economics". [22] The term is ultimately derived from Ancient Greek οἰκονομία (oikonomia) which is a term for the "way (nomos) to run a household (oikos)", or in other words the know-how of an οἰκονομικός (oikonomikos), or "household or homestead manager".
Philosopher Amia Srinivasan criticized William MacAskill's Doing Good Better for a perceived lack of coverage of global inequality and oppression, while noting that effective altruism is in principle open to whichever means of doing good is most effective, including political advocacy aimed at systemic change. [112]