In a Variable sum game, the sum of all player's payoffs differs depending on the strategies they utilize.
This is the opposite of a constant sum game in which all outcomes involve the same sum of all player's payoffs.
In variable sum games, players have some interests in common which may lead to all players being better off through cooperation.
updated: 15 August 2005
HOW TO CITE THIS ENTRY
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- See news articles on constant-sum games.