8.9 Fairness in the Ultimatum Game Consider a simple version of the Ultimatum Game discussed in the text. The first mover proposes a division of $1. Let r be the share received by the other player in this proposal (so the first mover keeps 1 ! r), where 0 , r , 1=2. Then the other player moves, responding by accepting or rejecting the proposal. If the responder accepts the proposal, the players are paid their