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Behavioral Finance
(redirected from Psychology of markets)

   Also found in: Wikipedia 0.01 sec.
Behavioral finance
An important subfield of finance. Behavioral finances uses insights from the field of pyschology and applies them to the actions of individuals in trading and other financial applications.

Behavioral Finance
A theory of finance that attempts to explain the decisions of investors by viewing them as rational actors looking out for their self-interest, given the sometimes inefficient nature of the market. Tracing its origins to Adam Smith's The Theory of Moral Sentiments, one of its primary observations holds that investors (and people in general) make decisions on imprecise impressions and beliefs rather than rational analysis. A second observation states that the way a question or problem is framed to an investor will influence the decision he/she ultimately makes. These two observations largely explain market inefficiencies; that is, behavior finance holds that markets are sometimes inefficient because people are not mathematical equations. Behavioral finance stands in stark contrast to the efficient markets theory. See also: Naive diversification, Formula plan, Subjective probabilities.

Behavioral finance. Behavioral finance combines psychology and economics to explain why and how investors act and to analyze how that behavior affects the market.

Behavioral finance theorists point to the market phenomenon of hot stocks and bubbles, from the Dutch tulip bulb mania that caused a market crash in the 17th century to the more recent examples of junk bonds in the 1980s and Internet stocks in the 1990s, to validate their position that market prices can be affected by the irrational behavior of investors.

Behavioral finance is in conflict with the perspective of efficient market theory, which maintains that market prices are based on rational foundations, like the fundamental financial health and performance of a company.


Behavioral Finance

What Does Behavioral Finance Mean?

A field of finance that proposes psychology-based theories to explain stock market anomalies. Within behavioral finance, it is assumed that the information structure and the characteristics of market participants systematically influence individuals' investment decisions as well as market outcomes.

Investopedia explains Behavioral Finance

Many studies have documented long-term historical phenomena in securities markets that contradict the efficient market hypothesis and cannot be captured plausibly in models that are based on perfect investor rationality. Behavioral finance attempts to fill the void.

Related Terms:
Efficient Market HypothesisEMH
Fundamental Analysis
Market Economy
New York Stock ExchangeNYSE
Quantitative Analysis



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