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 ...

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 ...