Job definition discrepancy between supervisors and subordinates: The antecedent role of LMX and outcomes

Abstract

This study proposed that leader–member exchange (LMX) might encourage an employee to define job breadth close to or beyond the level of his/her supervisor's expectation (enlargement effect), while simultaneously fostering a reduction in supervisor–subordinate definition discrepancy on job content (congruence effect). Using data from 184 subordinate–supervisor dyads in Taiwan, we examined the relationships among LMX, job definition discrepancy, in‐role/extra‐role behaviour, and performance rating. Results showed that LMX was positively related to employee relative job breadth and the supervisor–subordinate congruence on job content, supporting the existence of enlargement effect and congruence effect. Additionally, employee relative job breadth was positively related to extra‐role behaviour and the congruence on job content was positively related to in‐role behaviour. However, neither in‐role nor extra‐role behaviour was related to performance rating. Theoretical and practical implications are discussed.

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