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Amos Nathan Tversky (Hebrew: עמוס טברסקי; March 16, 1937 – June 2, 1996) was an Israeli cognitive and mathematical psychologist and a key figure in the discovery of systematic human cognitive bias and handling of risk.
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 .
Tversky, Kahneman, and colleagues demonstrated several replicable ways in which human judgments and decisions differ from rational choice theory. Tversky and Kahneman explained human differences in judgment and decision-making in terms of heuristics.
Other participants judged the probability of death from a natural cause was 58%. Natural causes are made up of precisely cancer, heart attack, and "other natural causes," however, the sum of the latter three probabilities was 73%, and not 58%. According to Tversky and Koehler (1994) this kind of result is observed consistently. [2]
In behavioral economics, cumulative prospect theory (CPT) is a model for descriptive decisions under risk and uncertainty which was introduced by Amos Tversky and Daniel Kahneman in 1992 (Tversky, Kahneman, 1992). It is a further development and variant of prospect theory.
The dual process theory may also play a role as negative framings evoke less heightened responses, leading to the deployment of the implicit processes. The implicit process is found to be frame-sensitive, and thus may be the reason why framing is pronounced in negative frames for older adults.
In 1979, Kahneman and Tversky published Prospect Theory: An Analysis of Decision Under Risk, that used cognitive psychology to explain various divergences of economic decision making from neo-classical theory. [24] Kahneman and Tversky utilising prospect theory determined three generalisations; gains are treated differently than losses ...
Loss aversion was also used to support the status quo bias in 1988, [9] and the equity premium puzzle in 1995. [10] In the 2000s, behavioural finance was an area with frequent application of this theory, [ 11 ] [ 12 ] including on asset prices and individual stock returns.