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In mental accounting theory, the framing effect defines that the way a person subjectively frames a transaction in their mind will determine the utility they receive or expect. [11] The concept of framing is adopted in prospect theory , which is commonly used by mental accounting theorists as the value function in their analysis (Richard Thaler ...
Behavioral Finance attempts to explain the reasoning patterns of investors and measures the influential power of these patterns on the investor's decision making. The central issue in behavioral finance is explaining why market participants make irrational systematic errors contrary to assumption of rational market participants. [1]
Prospect theory is a theory of behavioral economics, judgment and decision making that was developed by Daniel Kahneman and Amos Tversky in 1979. [1] The theory was cited in the decision to award Kahneman the 2002 Nobel Memorial Prize in Economics .
The prospect theory can explain such phenomena as people who prefer not to deposit their money in a bank, even though they would earn interest, or people who choose not to work overtime because they would have to pay higher taxes. It also plainly underlies the disposition effect.
Behavioral finance theory attributes stock market bubbles to cognitive biases that lead to groupthink and herd behavior. Bubbles occur not only in real-world markets, with their inherent uncertainty and noise, but also in highly predictable experimental markets. [ 1 ]
Behavioral finance has produced several generalized expected utility theories to account for instances where people's choices deviate from those predicted by expected utility theory. These deviations are described as " irrational " because they can depend on the way the problem is presented, not on the actual costs, rewards, or probabilities ...
In cognitive science and behavioral economics, loss aversion refers to a cognitive bias in which the same situation is perceived as worse if it is framed as a loss, rather than a gain. [1] [2] It should not be confused with risk aversion, which describes the rational behavior of valuing an uncertain outcome at less than its expected value.
Keynes believed that similar behavior was at work within the stock market. This would have investors pricing shares not based on what they think an asset's fundamental value is, or even on what investors think other investors believe about the asset's value, but on what they think other investors believe is the average opinion about the value ...