belief-driven recessions. To aid in finding policies that avoid this, we derive existence and uniqueness conditions for …. We also derive equilibrium existence conditions under rational expectations for arbitrary non-linear models. …

ensure existence of subgame perfect equilibria (SPE). We show that when Nature's moves are atomless in the original game … of He and Sun (2020) on existence of SPE without public randomization, which in turn yields equilibrium existence for …