How do OCBs contribute to organizational effectiveness even though they are not part of formal job descriptions?
Think about your answer, then reveal below.
Model answer: OCBs contribute by filling the gaps that formal systems cannot cover: helping new employees learn the ropes, facilitating coordination between units, maintaining a positive social atmosphere, volunteering for extra assignments, and representing the organization positively. No formal role description can anticipate every contingency, and OCBs provide the flexible, voluntary cooperation that keeps organizations functioning beyond the minimum specified by formal rules and compensation systems.
Organ argued that OCBs are the 'grease' of the organizational machine. Organizations are not perfectly designed systems — they rely on employees' willingness to cooperate in ways that cannot be prescribed. Research at the unit level shows that aggregate OCB levels predict unit-level performance, customer satisfaction, and efficiency — supporting the claim that these behaviors have tangible organizational consequences beyond the individual level.