Assuming that a few of you did not do the assigned reading, very quickly, the key idea is the distinction between zero-sum games, in which correlations are inverse: always a winner and a loser.
Presupunand ca sunt cativa dintre voi care nu au parcurs lectura propusa, foarte rapid, ideea centrala este distinctia dintre jocurile cu suma-nula, in care corelarile sunt inverse: intotdeauna exista un invingator si un invins.