These studies examined the effects of expressions of anger and guilt in the workplace on escalation of commitment. Study 1 examined the relationship between employees' reports of coworkers' emotion expressions and continued investment in a poorly performing subordinate. Study 2 tested the effects of leader expressions of anger and guilt on continued investment in a failing project. Results of both studies demonstrate that expressions of anger lead to greater escalation of commitment, while expressions of guilt lead to de-escalation. Experimental results indicate that the effects of emotion expressions on escalation are strongest when individuals are collectively responsible for the initial decision, a finding that was mediated by feelings of psychological safety.