@techreport{oai:barrel.repo.nii.ac.jp:00003611, author = {Ishii, Ryosuke}, month = {Feb}, note = {本文ファイルを差し替え(2012年11月12日), We consider a game with " meta-players" who observe each other's actions before actual play. The observability exerts an effect like repeated games without discounting. The game has Nash equilibria with any individually rational payoff profiles. In addition, the outcomes that satisfy a modified version of evolutionary stability lead to Pareto efficiency in coordination games.}, title = {Observable Actions}, year = {2012} }