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Topic: Perfect information


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In the News (Fri 17 Feb 12)

  
  Info and facts on 'Perfect information'   (Site not responding. Last check: 2007-10-13)
Chess (A game for two players who move their 16 pieces according to specific rules; the object is to checkmate the opponent's king) and yahtzee (additional info and facts about yahtzee) are perfect information games while prisoner's dilemma (additional info and facts about prisoner's dilemma), where players move simultaneously, is not.
In economics, a state of perfect information is required for a completely free market to function.
Perfect information would practically mean that all consumers know all things about all products, and therefore always make the best decision regarding purchase.
www.absoluteastronomy.com /encyclopedia/p/pe/perfect_information.htm   (188 words)

  
 Perfect competition - Wikipedia, the free encyclopedia
Perfect competition is a model in economic theory.
This would be achieved in perfect competition, and if any firm was not doing this another firm would be able to undercut it by selling products at a lower price.
In contrast to a monopoly or oligopoly, it is impossible for a firm in perfect competition to earn abnormal profit in the long run, that is to say that a firm cannot make any more money than is necessary to cover its costs.
en.wikipedia.org /wiki/Perfect_competition   (666 words)

  
 Perfect Information
Lesley Robinson set up her own company in 1999, specialising in advising companies on information and knowledge strategies, integrating information and knowledge into business processes, the development and coaching of information professionals and general information management issues.
She is a qualified information professional and also has an MBA from Cranfield Business School in the UK.
She is also writing a book about measuring the value of information and knowledge in organisations, to be published later in 2004.
www.perfectinfo.com /lesley_robinson.html   (140 words)

  
 The Perfect-Information Economy Model   (Site not responding. Last check: 2007-10-13)
It outlines four classes of information and four plateaus of performance that could theoretically be achieved.
Plateau 4 is typified by a comprehensive information model of a self-directed enterprise, where enterprise values or goals are inserted into the enterprise simulation model, and the model itself makes choices as to how to behave to maximize the enterprise performance.
Enterprise managers have a responsibility to make the right investments in the search to achieve perfect information, but they must be aware of the point at which the benefits are not adequate to justify the required investment.
gartner.lib.depaul.edu /gartner_intraWeb/research/96600/96698/96698.html   (1720 words)

  
 Decision Modeling   (Site not responding. Last check: 2007-10-13)
Consequently, it is generally possible to obtain additional information about the problem that could be used to improve the accuracy of the subjective estimates.
Additional information should rationally be used to revise our prior estimates, not to supplant them (assuming, of course, the original estimates were not a haphazard guess).
Perfect information would increase ACME's expected payoff by $1.5 million, so that is what the perfect information is worth (to ACME's managers).
groups.msn.com /DecisionModeling/evpi.msnw   (1070 words)

  
 Perfect information   (Site not responding. Last check: 2007-10-13)
Perfect information is a term used in economics and game theory to describe a state of complete knowledge that is available to all market participants,or players, and that is instantaneously updated as new information arises.
In asense it is a requirement of the assumption also made in economic theory that market participants act rationally; if you could not assume that all themarket participants had all the information available, then you would have to model and forecast how the market would be affectedby the uneven distribution and delayed diffusion of information.
Chess and yahtzee are perfect informationgames while scrabble and poker are not.
www.therfcc.org /perfect-information-56928.html   (254 words)

  
 Perfect (1985)   (Site not responding. Last check: 2007-10-13)
PERFECT reminds you of precisely what you wanted to forget about the mid-80s, including the movie, itself.
But PERFECT is useful for one thing and one thing only, being an send up of East coast pretentiousness and presumptions about the "Los Angeles"/airhead image.
Diagnosis: if PERFECT is any indicator, the "California"/LA image is the fantastic, mass-marketed product of the very people claiming to critique it from such an "objective" distance.
us.imdb.com /Title?0089798   (618 words)

  
 Information, by Joseph E. Stiglitz: The Concise Encyclopedia of Economics: Library of Economics and Liberty   (Site not responding. Last check: 2007-10-13)
Information economics has provided explanations for why unemployment may persist and for why fluctuations are so large.
If information about their workers' output were costless, employers would not pay such high wages because they could costlessly monitor output and pay accordingly.
Because information is costly, both suppliers and demanders must spend resources to acquire and disseminate information.
www.econlib.org /library/Enc/Information.html   (2579 words)

  
 Vrisko offers Perfect Information
Perfect Information's managing director, Greg Simidian, said he was 'pleased to be working alongside Vrisko', while Vrisko's sales director, Stuart Pocock, agreed that Vrisko's service was 'enhanced further with the addition of PI'.
Vrisko (www.vrisko.com) and Perfect Information (PI; www.perfectinfo.com) have signed a new agreement which, the companies claim, will make it easier and quicker to compile reports containing company and financial information from multiple sources and platforms.
Perfect Information has recently opened offices in New York City in order to 'be highly responsive to our customers' needs', in Simidian's words and 'to maintain our level of customer service and client relationships'.
www.vnunet.com /articles/print/2083592   (318 words)

  
 Perfect 10 Wants Alleged Infringers Removed From Google (#1) -- Chilling Effects Clearinghouse
Specific volumes of Perfect 10 Magazine, issue number, and page number on which some of the copyrighted pictures can be found are set forth below for representative examples of some of the infringed pictures.
I swear under penalty of perjury that I am authorized to act on behalf of Perfect 10, Inc. the owner of the exclusive rights in the material which is being infringed.
Section 512(d)(3), which applies to "information location tools" such as search engines and directories, incorporates the above requirements; however, instead of the identification of the allegedly infringing material, the notification must identify the reference or link to the material claimed to be infringing.
www.chillingeffects.org /dmca512/notice.cgi?NoticeID=1284   (2749 words)

  
 W&B Scientific - Replicated, Perfect Information   (Site not responding. Last check: 2007-10-13)
Our application is broadly related to work in the field of e-voting technology by White et al., but we view it from a new perspective: extreme programming [22].
All of these methods conflict with our assumption that electronic information and write-back caches are private [32].
suggested a scheme for investigating perfect epistemologies, but did not fully realize the implications of event-driven archetypes at the time [6].
wbsci.org /Information/29261/Replicated-Perfect-Information.html   (2225 words)

  
 Games of Perfect Information - GameDev.Net Discussion Forums
An RTS is not a game of perfect information if it has a fog of war, because this prevents the player from seeing outside the line of sight of his units.
A sequential game is a game of perfect information if the players move one at a time and if, when it is my turn to play, I know every action that every other player has made up to now.
The "information" in "perfect information game" is more about having seen your opponent's actions/strategy rather than having seen the state of the game.
www.gamedev.net /community/forums/viewreply.asp?ID=1731692   (576 words)

  
 Random Bytes...by Ross Rader :: Perfect Information: Involving Registrants in the Expiring Names Market
It is important to note that all of this activity exists simply to deal with imperfect information and regulatory limitations; "first-come-first-serve" registrations, equivalent access to registry resources and mandatory flat pricing of domain name registrations at the registry level.
Better information or more efficient market alignment would inevitably work to the detriment of these three groups and to the benefit of registrants.
The catalyst that will allow the market to move towards greater efficiency and a healthier market is to increase the flow of information to current registrants and accommodate the corresponding effect of increasing the flow of benefits to them.
www.byte.org /blog/_archives/2004/9/3/135064.html   (2269 words)

  
 Expected Value of Perfect Information
The maximum value of perfect information to the decision maker.
When additional information is available, or can be purchased, regarding future events, enabling the decision maker to make a better decision.
Remember, perfect information is rare and usually unobtainable.
www.usfca.edu /fac-staff/villegas/classes/973-608/608SY973/www.usfca.edu/~villegas/classes/983-307/983-307e-ch2S/sld022.htm   (39 words)

  
 University of California Absolute Pitch Study
Absolute Pitch, commonly referred to as Perfect Pitch, is an intriguing behavioral trait involved in music perception and is defined as the ability to recognize the pitch of a musical tone without an external reference pitch.
To be considered a Perfect Pitch possessor, an individual must have the ability to identify pitches accurately and instantaneously.
A large survey was conducted to assess the role of musical training in the development of Perfect Pitch and to evaluate whether this trait aggregates in families.
perfectpitch.ucsf.edu /ppstudy.html   (1036 words)

  
 Perfect Information   (Site not responding. Last check: 2007-10-13)
The expected value of perfect information, EVPI, represents the incremental value of knowing with certainty which state of nature will occur.
EVPI is the difference between the expected value with perfect information and the expected value without information.
To find the expected value with perfect information, determine which choice would be made for each state of nature.
sprott.carleton.ca /~gregory/teaching/42.230/part2/230decision_an/tsld015.htm   (57 words)

  
 Expected Value of Perfect Information   (Site not responding. Last check: 2007-10-13)
The expected value with perfect information is the expected or average return, in the long run, if we have perfect information before a decision has to be made.
Thus, if we had perfect information, we would expect, on average, a payoff of $100,000 if the decision could be repeated many times.
The maximum EMV is computed for $40,000, which is the expected outcome without perfect information.
www.cs.usask.ca /resources/tutorials/csconcepts/1999_6/Tutorial/Estimation/evpi/evpi_tutorial.html   (286 words)

  
 Perfect Information makes it to Windows - vnunet.com   (Site not responding. Last check: 2007-10-13)
Perfect Information is a well known provider of Stock Exchange information.
Perfect Information has also signed a three-year contract with ISMA, giving it exclusive access to 13,000 bond documents in ISMA's Zrich archive.
Information professionals in the executive recruitment sector will doubtless welcome this aid to their research.
www.accountancyage.com /news/it/1146500   (776 words)

  
 Perfect Information and the Net Bazaar
In the first: markets are profitable because information is not perfect, thus helping one to buy low and sell high (other factors are relevant as well: skills, capital, marketing).
At that point the buyers would simply go from one seller to the next until they found the lowest possible price because they would have perfect information and the lowest possible price would soon be battered down to an infinitesimal amount over the cost of production price and you couldn't make a profit.
It is not only that consumers have more, quicker, and easily accessible, information, but they have now information that reflects their aspirations, their ideal standards.
www.metafuture.org /Articles/perfect_information_travel_agent.htm   (1632 words)

  
 CaveBear Blog: On Tucows "Perfect Information"
I cought Tucows' announcement of their "perfect information" system.
Ross' note is a most useful exposure of the back-room games, and money flows, that most domain name registrants do not see, even though, in the long run, they do pay for.
Tucow's "Perfect Information" system appears at first glance to be a worthwhile local improvement.
www.cavebear.com /cbblog-archives/000118.html   (406 words)

  
 Perfect W-eight™ Product Information
Perfect W-eight combines eight natural supplements that have been found to promote weight loss in healthy individuals.
Perfect W-eight should be taken by healthy individuals, as part of a lifestyle that includes a balanced diet and regular exercise.
Perfect W-eight™ is a combination of eight supplements that work together to provide an effective weight loss formula.
www.worldimage.com /forums/viewtopic.php?p=30   (1288 words)

  
 Perfect Format - Format, mask and validate web page input
Perfect Format is an HTC (HTML Component) that formats and validates web page input, keystroke by keystroke, as data is entered.
Perfect Format is changing the way developers think about web page design and it is changing the expectations of the web user.
Perfect Format is easy to implement for web page designers and developers, requires little or no programming and does not have to be installed on individual client browsers.
www.evansprogramming.com /perfect_format.asp   (622 words)

  
 Phase Converter - Phase Perfect Phase Converter - Digital Phase Converters
A Phase Perfect unit is able to feed power from the generated phase back into the power system as well.
The Phase Perfect system is similar to static and rotary phase converters in that two of the phase leads to the load come directly from the power line.
In the example of the 7.5 HP rotary converter used in a machine shop where one of the line-line voltages from the rotary converter was at 280 V, the electronics unit of a CNC would probably be damaged if it were operated at such a high voltage.
www.phaseperfect.com /phasewhitepaper.htm   (5583 words)

  
 ALACRA ADDS PERFECT INFORMATION
Perfect Information’s Pioneer database provides access to over 3 million scanned business critical documents with an archive stretching back to 1982.
Greg Simidian, Managing Director of Perfect Information commented: “We are pleased to work with Alacra, which has a strong position within the information marketplace.
In December more than 350 companies at the very cutting edge of information technology will gather in the Olympia exhibition centre in London in what has become over the last quarter of a century the largest single show of its kind in the world.
www.pressbox.co.uk /Detailed/2698.html   (378 words)

  
 Perfect Circle Design   (Site not responding. Last check: 2007-10-13)
Typically, by accessing the browser's help feature you can obtain information on how to prevent your browser from accepting all cookies or to notify you when a cookie is being sent.
SSL encodes the information transferred between you and the server, rendering it unreadable to anyone trying to intercept the information.
Perfect Circle Design will disclose your personal information or any of its log file information when required by law or in the good-faith belief that such actions are necessary to:
www.pcdx.com /pcd/privacy.htm   (885 words)

  
 Perfect 10 Says Links Earn a Zero -- Chilling Effects Clearinghouse
The DMCA provides a safe harbor to information location tools that comply with takedown notices, but it is not settled whether they would be liable for copyright infringement if they did not use the safe harbor.
Storage Systems refers to services which allow users to store information on their networks, such as a web hosting service or a chat room.
Information Location Tools refer to services such as search engines, directories, or pages of recommended web sites which provide links to the allegedly infringing material.
www.chillingeffects.org /linking/notice.cgi?NoticeID=243   (1987 words)

  
 Lemons and the Nobel Prize - Mises Institute
Furthermore, it was a welcome break from the "perfect information" thesis that has dominated neoclassical economics since the days of Alfred Marshall.
The theme of the "imperfect information" economists is as such: market participants often do not enjoy the "perfect information" that is necessary to make markets function in the proper fashion, as indicated by the point of equilibrium demonstrated in the famous Marshallian Cross where supply and demand are equal.
So-called imperfect-information economic analysis was intended to bring economics out of the unrealistic "perfect competition" models in which there was no "market failure" or inability of parties to gain all of the necessary information.
www.mises.org /story/801   (1098 words)

  
 Expected Value of Perfect Information (EVPI) Concepts   (Site not responding. Last check: 2007-10-13)
Let's first take another look at what the concept of expected value of perfect information (EVPI) is. The EVPI in a given situation is the maximum amount of money that you should spend for additional information.
Calculating the expected profit given perfect information is based on the assumption that the decision maker has a perfect predictor available.
The expected value of perfect information (EVPI) is, in general, equal to the expected opportunity loss of selecting the optimum act in an uncertain environment.
goldwing.kennesaw.edu /is401/spr98/EVPI.htm   (775 words)

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