It is true that Ouchi’s Theory Z is a blend of Type A and Type J business cultures, whereby Type A represents American business management culture, and Type J represents Japanese business management culture: Generally speaking, Ouchi’s Theory Z combined the most effective Japanese and American business management cultures in ways that ensured higher job security, better decision-making, increased employee commitment, greater job satisfaction, etc.
A Representative Democracy is a system of government where all eligible citizens vote on representatives to pass laws for them. An example is the U.S., where we elect a president, members of the Congress, local and state officials.