The drop in self-esteem often found when children first enter middle school appears to be due to:

The drop in self-esteem often found when children first enter middle school appears to be due to "peer comparison".

Peer comparison is a standout amongst the most generally utilized and acknowledged strategies for value examination utilized by proficient investigators and by singular financial specialists. It has turned out to be proficient and compelling, rapidly demonstrating which stocks might be exaggerated, and which may make great increases to a portfolio.

Japan's government is dictatorship.