Kenneth Binmore

However, they only model arbitrary or random deviations from equilibria rather than ones deliberately caused by players themselves.

This leads to problems when talking about counterfactual behavior, as Kenneth Binmore articulated in nineteen ninety-seven.

Quote, "What keeps a rational player on the equilibrium path is his evaluation of what would happen if he were to deviate.

But if he were to deviate, he would behave irrationally.