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=== Article of the Week <font size=1>[ [[CZ:Article of the Week|about]] ]</font> ===
{{Image|Production Possibilities Frontier.jpg|right|150px|Production Possibilities Frontier.}}
'''Microeconomics''' is the branch of economics that deals with transactions between suppliers and consumers, acting individually or in groups. It is conventionally defined as being concerned with the allocation of scarce resources among alternative uses, but it is really about such down-to-earth matters as the way consumers' and suppliers' decisions affect the prices and the output of goods and services. Its practical importance arises from the influence of those decisions upon people's wellbeing. Although it may seem to be about money-related matters, its scope is in fact much wider. It is  about how all sorts of needs and preferences can be met by mutually advantageous transactions.


Microeconomics attempts to throw light upon real economic activity by first examining the behaviour of simpified representations or ''models'' of the relationships involved, and then  considering the influence of departures from the assumptions adopted in those models.


<font size=1>[[Microeconomics|['''more...''']]]</font>


=== New Draft of the Week <font size=1>[ [[CZ:New Draft of the Week|about]] ]</font> ===
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Through a wide range of cultures, some common themes recur, common among them being '''[[sympathetic magic]]'''.  It is based on using a symbol of a powerful event to cause that full power to manifest, as in [[cargo cult]]s.  Classic examples of cargo cults, although they had been observed much earlier, were seen in Melanesia during the [[Second World War]]: natives would see desirable "cargo" come from an airplane, or perhaps a more modest goal of cold beer from a refrigerator. They would construct wooden replicas of airplanes or refrigerators, hoping that, with the right invocation, they would open the door again and find the cargo.
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<h4 style="margin:0 0 0.75em; padding:0;"> '''Article counts''' </h4>
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[[:Category:Citable versions of articles|Citable Articles]] <font size=1>('''{{PAGESINCAT:Citable versions of articles}}''')</font><br />
[[:Category:Developed Articles|Developed Articles]] <font size=1>('''{{PAGESINCAT:Developed Articles}}''')</font><br />
[[:Category:Developing Articles|Developing Articles]] <font size=1>('''{{PAGESINCAT:Developing Articles}}''')</font><br />
[[:Category:Stub Articles|Stubs]] <font size=1>('''{{PAGESINCAT:Stub Articles}}''')</font><br />
<small>([[:Category:CZ Live|{{PAGESINCAT:CZ Live}} total articles]])</small>
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{{CZ:Quote}}
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Where the goal of the cargo cult is to invoke and create, another aspect of sympathetic magic is to protect and control. In a healing rite from Jewish mysticism, a person who wanted bleeding to stop would sit under a drain, as others poured water over him, all saying a formula that predicted that as the water flow stopped, so would the blood flow cease..<font size=1>[[sympathetic magic|['''more...''']]]</font>
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<big>[[CZ:Featured article|Featured Article]]: ''[[{{FeaturedArticleTitle}}]]''</big>
</h3>
{{CZ:Featured article/Current}}
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<div style='text-align: right;'><small>''[[{{FeaturedArticleTitle}}|Continued]]...''</small></div>

Revision as of 19:28, 18 February 2024

Help Write Articles about our World

Welcome to Citizendium, a wiki for providing free knowledge where authors use their real names. We regard information as a public good and welcome anyone who wants to share their knowledge on virtually any subject. Our online community prides itself on being congenial and supportive. Read more about who we are.

See Recent Changes—an overview of articles being worked on now.

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Article counts

Citable Articles (146)
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Developing Articles (7,403)
Stubs (7,676)
(16,484 total articles)

Study the past if you would divine the future.
— Confucius

       —add a quotation about knowledge or writing

Featured Article: Nuclear power reconsidered

After decades of failure to slow the rising global consumption of coal, oil and gas,[1] many countries have proceeded as of 2024 to reconsider nuclear power in order to lower the demand for fossil fuels.[2] Wind and solar power alone, without large-scale storage for these intermittent sources, are unlikely to meet the world's needs for reliable energy.[3][4][5] See Figures 1 and 2 on the magnitude of the world energy challenge.

Nuclear power plants that use nuclear reactors to create electricity could provide the abundant, zero-carbon, dispatchable[6] energy needed for a low-carbon future, but not by simply building more of what we already have. New innovative designs for nuclear reactors are needed to avoid the problems of the past.

(CC) Image: Geoff Russell
Fig.1 Electricity consumption may soon double, mostly from coal-fired power plants in the developing world.[7]

Issues Confronting the Nuclear Industry

New reactor designers have sought to address issues that have prevented the acceptance of nuclear power, including safety, waste management, weapons proliferation, and cost. This article will summarize the questions that have been raised and the criteria that have been established for evaluating these designs. Answers to these questions will be provided by the designers of these reactors in the articles on their designs. Further debate will be provided in the Discussion and the Debate Guide pages of those articles.

Footnotes

  1. ↑ Global Energy Growth by Our World In Data
  2. ↑ Countries, organizations, and public figures that have reconsidered their stance on nuclear power are listed on the External Links tab of this article.
  3. ↑ Pumped storage is currently the most economical way to store electricity, but it requires a large reservoir on a nearby hill or in an abandoned mine. Li-ion battery systems at $500 per KWh are not practical for utility-scale storage. See Energy Storage for a summary of other alternatives.
  4. ↑ Utilities that include wind and solar power in their grid must have non-intermittent generating capacity (typically fossil fuels) to handle maximum demand for several days. They can save on fuel, but the cost of the plant is the same with or without intermittent sources.
  5. ↑ Mark Jacobson believes that long-distance transmission lines can provide an alternative to costly storage. See the bibliography for more on this proposal and the critique by Christopher Clack.
  6. ↑ "Load following" is the term used by utilities, and is important when there is a lot of wind and solar on the grid. Some reactors are not able to do this.
  7. ↑ Fig.1.3 in Devanney "Why Nuclear Power has been a Flop"

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