1. Professor Ouchi spent years researching Japanese companies and examining American companies using the Theory Z management styles. 2. Promoting Theory Z and the Japanese word " Wa " is how the Japanese economy became so powerful. 3. William Ouchi introduced Theory Z , a hybrid management approach consisting of both Japanese and American philosophies and cultures. 4. This also ties into his affiliation with Theory Z as well as recognizing the dimensions of Theory Y managers. 5. Ultimately, Theory Z promotes common structure and commitment to the organization, as well as constant improvement of work efficacy. 6. According to Ouchi, Theory Z management tends to promote stable employment, high productivity, and high employee morale and satisfaction. 7. The word " Wa " in Japanese can be applied to Theory Z because they both deal with promoting partnerships and group work. 8. Ironically, " Japanese Management " and Theory Z itself were based on W . Edwards Deming's famous " 14 points ". 9. Ironically, " Japanese Management " and Theory Z itself were based on Dr . W . Edwards Deming's famous " 14 points ". 10. And also because the Japanese show a high level of enthusiasm to work, some of the researchers claim that'Z'in the theory Z stands for'Zeal '.