Empirical Study on Impact of Social Exchange Relationship within the Organization on Psychological Contract Breach

This paper explores the reasons of psychological contract breach with the use of social exchange theory under the transitional economy conditions.Based on a survey of 342 Chinese workers,the study reveals that perceived organizational support(POS) and leader-member exchange relationship(LMX) have a negative impact on the psychological contract breach.Meanwhile,this paper shows that perceptions of organizational politics can moderate the relationship between POS /LMX and psychological contract breach.