Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

For any two occurrences A and B, you will either prefer A to B, or prefer B to A, or be indifferent between them? If you prefer A to B and B to C, then you'll prefer A to C? If you're indifferent ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Erika Rasure is globally-recognized as a leading consumer economics subject ...

Bell, David E., and Ralph L. Keeney. "Altruistic Utility Functions for Joint Decisions." In The Mathematics of Preference, Choice and Order, edited by Steven Brams, William V. Gehrlein, and Fred S.

Mainstream economics has long struggled to model ethical behaviour, including what is perhaps its simplest type, altruism. The standard assumption of homo economicus, an agent who maximizes his ...

1. An indifference curve is defined as a set of bundles that a consumer with a given income can afford, and among which she or he is indifferent. 2. More is preferred to less means that if the total ...