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Physicists decipher social cohesion issues

Migrations happen for a reason, not randomly. A new study, based on computer simulation, attempts to explain the effect of so-called directional migration - migration for a reason - on cooperative behaviors and social cohesion. The authors devised a computer simulation of what they refer to as selfish individuals - those who are mainly concerned with their own interests, to the exclusion of the interests of others. In this study, they propose a new migration rule, dubbed directional migration, in existing models referred to as evolutionary game theory.
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