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  2. Electrocoagulation - Wikipedia

    en.wikipedia.org/wiki/Electrocoagulation

    Electrocoagulation ("electro", meaning to apply an electrical charge to water, and "coagulation", meaning the process of changing the particle surface charge, allowing suspended matter to form an agglomeration) is an advanced and economical water treatment technology. It effectively removes suspended solids to sub-micrometre levels, breaks ...

  3. Economic system - Wikipedia

    en.wikipedia.org/wiki/Economic_system

    An economic system is a type of social system. The mode of production is a related concept. [ 2] All economic systems must confront and solve the four fundamental economic problems : What kinds and quantities of goods shall be produced: This fundamental economic problem is anchored on the theory of pricing.

  4. Electrosurgery - Wikipedia

    en.wikipedia.org/wiki/Electrosurgery

    Electrosurgery. A surgeon using a monopolar RF electrosurgical instrument to coagulate (and desiccate) tissue in the excision of a lipoma. MeSH. D004598. [ edit on Wikidata] Electrosurgery is the application of a high-frequency (radio frequency) alternating polarity, electrical current to biological tissue as a means to cut, coagulate ...

  5. Economic calculation problem - Wikipedia

    en.wikipedia.org/wiki/Economic_calculation_problem

    Socialism portal ( WikiProject) Communism portal. Organized Labour. v. t. e. The economic calculation problem (sometimes abbreviated ECP) is a criticism of using central economic planning as a substitute for market-based allocation of the factors of production.

  6. Endogeneity (econometrics) - Wikipedia

    en.wikipedia.org/wiki/Endogeneity_(econometrics)

    The endogeneity problem is particularly relevant in the context of time series analysis of causal processes. It is common for some factors within a causal system to be dependent for their value in period t on the values of other factors in the causal system in period t − 1. Suppose that the level of pest infestation is independent of all ...

  7. Economic problem - Wikipedia

    en.wikipedia.org/wiki/Economic_problem

    The problem of allocation deals with the question of whether to produce capital goods or consumer goods. If the community decides to produce capital goods, resources must be withdrawn from the production of consumer goods. In the long run, however, [investment] in capital goods augments the production of consumer goods.

  8. Scarcity - Wikipedia

    en.wikipedia.org/wiki/Scarcity

    Scarcity plays a key role in economic theory, and it is essential for a "proper definition of economics itself". [3] "The best example is perhaps Walras' definition of social wealth, i.e., economic goods. [3] 'By social wealth', says Walras, 'I mean all things, material or immaterial (it does not matter which in this context), that are scarce ...

  9. Neoclassical economics - Wikipedia

    en.wikipedia.org/wiki/Neoclassical_economics

    e. Neoclassical economics is an approach to economics in which the production, consumption, and valuation (pricing) of goods and services are observed as driven by the supply and demand model. [ 1] According to this line of thought, the value of a good or service is determined through a hypothetical maximization of utility by income-constrained ...