Although perceived job security is a common psychological state and process in management theory and practice, little research has examined its mediating role in the relationships between situational variables and employee outcomes. This paper aimed at examining how the two kinds of important situational variables---employment modes and charismatic leadership---influence organizational citizenship behavior (OCB) via employees perceived job security. Through an empirical study in a large telecom enterprise, the results showed that employment mode influenced OCB via perceived job security, but c...
