,d simple example is used to analyze the issue ofimperfcsct obseruabilitt of commitmerit and to highlight the follotving phenor»enon: u'hen a player h«s tlie option of taking — at a cost — a (potentiality' deterring action, she is less lil.ely to do so cigainst an opponent rgho is aware of' tlie aoailabilitt' of tliis opticrn thaii against an opponent it her is not..