There are two types of games; 1) Those strictly classifiable as zero-, negative-, or positive-sum 2) Those that represent real situations
There are no games strictly classifiable as negative- or positive-sum, because those are not real concepts.
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It's time for some game theory.
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The idea that positive- and negative-sum games are meaningful is a common misconception.
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People using analogies from game theory for real situations talk about them, but game theorists don't.
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Britannica defines positive-sum game as situation in which the total of gains and losses is greater than zero
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But games have multiple outcomes,
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And "total of gains and losses" refers to an outcome, and is only meaningful relative to another outcome.
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Outcomes or strategy profiles could be described as positive-sum relative to some default outcome.
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