Purpose: This study examines the impact of HR practices on organizational performance through the mediating role of psychological contract (expressed by the influence of employer on employee promises fulfilment through employee attitudes) and further examines whether this relationship remains...

In 1996, Becker and Gerhart noted that much of the work on human resources (HR) and performance had traditionally been conducted at the individual level of analysis. However, in the 1990s, empirical research on HR and performance increasingly moved to the plant/unit and firm level of analysis...