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The analysis uses ordinal rankings of individual choice to represent behavioral patterns. Cardinal measures of individual utility and, a fortiori, interpersonal comparisons of utility are avoided on grounds that such measures are unnecessary to represent behavior and depend on mutually incompatible value judgments (p. 9).
There is some evidence that while greater choice has the potential to improve a person's welfare, sometimes there is such a thing as too much choice. For example, in one experiment involving a choice of free soda, individuals explicitly requested to choose from six as opposed to 24 sodas, where the only benefit from the smaller choice set would ...
[2] [3] [4] Similarly, other topics such as euthanasia, [5] vaccination, contraception, [6] and same-sex marriage [7] are sometimes discussed in terms of an assumed individual right of "freedom of choice". Some social issues, for example the New York "Soda Ban" have been both defended [8] and opposed, [9] with reference to "freedom of choice".
For example, while at the individual level a group of people may have common interests, applying a rational choice framework to their individually rational preferences can explain group-level outcomes that fail to accomplish any one individual's preferred objectives.
Social choice studies the behavior of different mathematical procedures (social welfare functions) used to combine individual preferences into a coherent whole. [ 2 ] [ 3 ] [ 4 ] It contrasts with political science in that it is a normative field that studies how a society can make good decisions, whereas political science is a descriptive ...
Choice architecture is the design of different ways in which choices can be presented to decision makers, and the impact of that presentation on decision-making. For example, each of the following: the number of choices presented [1] the manner in which attributes are described [2] the presence of a "default" [3] [4] can influence consumer choice.
A simple example of a preference order over three goods, in which orange is preferred to a banana, but an apple is preferred to an orange. In economics, and in other social sciences, preference refers to an order by which an agent, while in search of an "optimal choice", ranks alternatives based on their respective utility.
Independence of irrelevant alternatives (IIA) is an axiom of decision theory which codifies the intuition that a choice between and should not depend on the quality of a third, unrelated outcome . There are several different variations of this axiom, which are generally equivalent under mild conditions.