*Encyclopedia of Science, Technology, and Ethics*. Copyright © 2001-2006 by Macmillan Reference USA, an imprint of the Gale Group. All rights reserved.

This section contains 1,863 words(approx. 7 pages at 300 words per page) |

## The Basic Story

Two men are caught committing an illegal act. If neither one confesses, there is enough evidence to ensure that each man will get one year in jail. If both confess, each one gets five years in jail. However, if one confesses and the other does not, the man who does not confess gets ten years in jail but the confessor who incriminates his partner gets off free. This is a special case of the normal form game illustrated in matrix form in Figure 1.

The *normal form* specifies a *strategy set* for each player and a *payoff* for each player as a function of the choice of strategy by each player. In this matrix player 1, the row player, chooses a row, and player 2, the column player, chooses a column. In general the Prisoner's Dilemma requires that *T* > *R* > *P* &#x...

This section contains 1,863 words(approx. 7 pages at 300 words per page) |