According to managerial efficiency theory, why even the efficient firms tend to earn only a normal return in the long run?
A) Costs of supplies increase in the long run
B) Efficient managers demand higher salaries
C) Efficient managers lose efficiency in the long run
D) All of the above

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The Answer of According to managerial efficiency theory, why even the efficient firms tend to earn only a normal return in the long run?
A) Costs of supplies increase in the long run
B) Efficient managers demand higher salaries
C) Efficient managers lose efficiency in the long run
D) All of the above

According to Managerial Efficiency Theory, Why Even the Efficient Firms