Which of the following idea(s)/concept(s) is/are given by Chester Barnard?
A. Acceptance theory of authority and 'Zone of Indifference'
B. Contribution satisfaction equilibrium
C. Functions of the executive
D. Bounded rationality
Choose the correct answer from the options given below:

Correct option is B

The correct answer is (b): A, B, and C only.
Chester Barnard, an influential management theorist, made significant contributions to organizational theory, particularly through the following concepts:
· A. Acceptance Theory of Authority and Zone of Indifference: Barnard introduced the Acceptance Theory of Authority, which suggests that authority depends on the willingness of subordinates to accept commands. The Zone of Indifference refers to the range within which individuals are willing to accept orders without questioning authority, provided the orders are consistent with the individual's expectations and the organization’s goals.
· B. Contribution-Satisfaction Equilibrium: Barnard proposed this concept, which emphasizes the balance between the contributions employees make to an organization and the satisfaction they derive from their roles. For organizations to succeed, they must maintain equilibrium between what employees contribute and their satisfaction level.
· C. Functions of the Executive: In his famous book The Functions of the Executive (1938), Barnard outlined key responsibilities of executives, including maintaining communication, securing essential services from individuals, and formulating organizational purposes and objectives.
· D. Bounded Rationality: This concept is associated with Herbert Simon, not Chester Barnard. Bounded rationality refers to the idea that decision-makers operate within the limits of their information and cognitive capabilities.