Requiring approval at a number of levels only leads to people being able to avoid taking responsibility. If your employees have expertise, experience and confidence in their own abilities don’t drain it from them with bureaucracy.
“When you personally have to take responsibility for your work, you can’t be that cavalier about it. You work quickly and you work efficiently” (Iminishi, Head of Nintendo Administration Department)
Example: This is an explicit policy of Nintendo.
Source: Katayama, O. (1996). Japanese business into the 21st Century: strategies for success.