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  2. Economic surplus - Wikipedia

    en.wikipedia.org/wiki/Economic_surplus

    The consumer's surplus is highest at the largest number of units for which, even for the last unit, the maximum willingness to pay is not below the market price. Consumer surplus can be used as a measurement of social welfare, shown by Robert Willig. [8] For a single price change, consumer surplus can provide an approximation of changes in welfare.

  3. Surplus economics - Wikipedia

    en.wikipedia.org/wiki/Surplus_economics

    By economic surplus is meant all production which is not essential for the continuance of existence. That is to say, all production about which there is a choice as to whether or not it is produced. The economic surplus begins when an economy is first able to produce more than it needs to survive, a surplus to its essentials.

  4. Subsistence economy - Wikipedia

    en.wikipedia.org/wiki/Subsistence_economy

    In a subsistence economy, economic surplus is minimal and only used to trade for basic goods, and there is no industrialization. [2] [3] In hunting and gathering societies, resources are often, if not typically underused. [4] The subsistence system is maintained through sharing, feasting, ritual observance and associated norms. [5]

  5. Balance of trade - Wikipedia

    en.wikipedia.org/wiki/Balance_of_trade

    If a country exports a greater value than it imports, it has a trade surplus or positive trade balance, and conversely, if a country imports a greater value than it exports, it has a trade deficit or negative trade balance. As of 2016, about 60 out of 200 countries have a trade surplus. The notion that bilateral trade deficits are per se ...

  6. Consumer education - Wikipedia

    en.wikipedia.org/wiki/Consumer_education

    Consumer education is an education that can be found in several areas of study in the formal school curriculum and incorporated knowledge from many disciplines, including: economics, game theory, information theory, law, mathematics, and psychology. The goal of teaching the subject is to help people understand in what ways we, as humans ...

  7. Education in the United States - Wikipedia

    en.wikipedia.org/wiki/Education_in_the_United_States

    This is an accepted version of this page This is the latest accepted revision, reviewed on 3 February 2025. Education in the United States of America National education budget (2023-24) Budget $222.1 billion (0.8% of GDP) Per student More than $11,000 (2005) General details Primary languages English System type Federal, state, local, private Literacy (2017 est.) Total 99% Male 99% Female 99% ...

  8. Consumer math - Wikipedia

    en.wikipedia.org/wiki/Consumer_math

    Consumer math comprises practical mathematical techniques used in commerce and everyday life. In the United States, consumer math is typically offered in high schools , some elementary schools , or in some colleges which grant associate's degrees .