Which of the Following Is NOT a Reason for Average

Multiple Choice

Which of the following is NOT a reason for average costs to fall according to the learning curve?

A) Workers accomplish tasks more quickly after doing the task a few times.
B) Managers schedule more efficiently over time.
C) Engineers determine more accurately what tolerances can be used.
D) Suppliers may become better able to produce the exact inputs the firm needs.
E) Competing firms leave the industry as the learning firm becomes more efficient.