... institutions. In one setting, cheap-talk communication precedes a take-it-or-leave-it agenda-setting game. The second involves sequential agenda setting where the setter can revise the proposal only when the first one fails to gain enough support. The latter institution requires the setter to commit...

... of candidates, use the competitiveness of the primary to update beliefs. We identify three sources of uncontested primaries: a lower bound on the challenger cost of entry; an absence of commitment to set this entry cost by the party of the incumbent; and an imperfect observability of the entry cost by voters...