[ṓvər-kŏńfĭ-dənt]
(adj.)Excessively confident; presumptuous.
Dictionary.com · The American Heritage® Dictionary
Overconfidence effect - Wikipedia, the free encyclopedia
The overconfidence effect is a bias in which people are correct in their judgements far less often than they think they are. For example, for certain types of question, answers that people rate as "9...
en.wikipedia.org/wiki/Overconfidence_effect
BEN-DAVID, I., J.R. GRAHAM and C.R. HARVEY, 2007. Managerial Overconfidence and Corporate Policies. NBER Working Paper. [Cited by 34] (23.99/year) ... ENGLMAIER, F., 2007. A brief survey on overconfidence. ICFAI Journal of Behavioral Finance. [Cited by 6] (4.23/year)
overconfidence.behaviouralfinance.net/ overconfidence.behaviouralfinance.net/
BULK QUANTITY DISCOUNTS - Buy in Bulk and Save! for this cool design: Napoleon Bush - What is Overconfidence - Next Stop Waterloo-ANTI-BUSH BUMPER STICKER...
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Confidence - Wikipedia, the free encyclopedia
Confidence is generally described as a state of being certain either that a hypothesis or prediction is correct or that a chosen course of action is the best or most effective. Self-confidence is h...
en.wikipedia.org/wiki/Confidence
Confidence becomes a real problem when it becomes overconfidence. Unfortunately, almost everyone overestimates their capabilities, in particular those with the self confidence to be in the market in the first place.
www.travismorien.com/FAQ/psychology/overconfidence.htm www.travismorien.com/FAQ/psychology/overconfidence.htm
We tend to have too much confidence in the accuracy of our own judgements. ... Explanations > Theories > Overconfidence Barrier ... Overconfidence is greatest when accuracy is near chance levels, and reduces as accuracy increases from 50% to 80%. Once accuracy exceeds 80%, people become under-confident.
changingminds.org/explanations/theories/overconfidence_... changingminds.org/explanations/theories/overconfidence_barrier.htm
Well, let’s first take a look at why we get overconfident. Generally, if something requires the full extent of our abilities, we find it challenging and need to use all our resources to overcome the problem. That’s a really hard thing to do...
http://www.whatithinkabout.com/the-weakness-of-overconf...
"It supplies critically needed experimental support for the idea that positive attitude - which is generally a [beneficial] feature of human behaviour - may lead to overconfidence and [damaging] behaviour in the case of war," comments Peter Turchin of the University of Connecticut, US.
www.newscientist.com/article/dn9374-overconfidence-is-a... www.newscientist.com/article/dn9374-overconfidence-is-a-disadvantage-in-war-finds-study.html
The concept of overconfidence is based on a large body of evidence from cognitive psychological experiments and surveys showing that individuals overestimate their own abilites or knowledge as well as the precision of their information.
www.sfb504.uni-mannheim.de/glossary/overcon.htm