Answer with Explanation:
The wage restrictions would limit the competition of Japanese firms as the Executive Directors will be under under-paid and they will looking for jobs else where. This demotivation due to low pays would affect the competition of Japanese firms as the employee's productivity will also be lowered. The employees rather they are of Executive Level or they belong to lower level, they must be paid according to their performance. Their might be a fixed portion and a performance based portion which would erge the employee to work hard.