The mechanism is some principle for the adjusting of something, and the mechanismof information in circular economy is the process and principle that information ACTS on the circular economy.
The current bubble economy in Chinas stock market has already surpassed the extent of bubble economy in Japan, and has also formed the mechanismof encouraging speculation.
Thus, the concept main body of the private economy should be the public private economy, and the theoretical circle should probe the effective public private mechanism.