What is the meaning of bubble economy?

'Bubble economy' can be used to describe an ups and downs variation which an economy entity has a rapid prosperity in a period of time, but declines dramatically after that period. There are five financial and economic bubbles in bubble economy. These five bubbles are real estate, bonds, commodities, stocks and debts bubble.The nature of the bubble occurs quickly, and it bursts promptly as well. For example, you can blow a dazzling bubble by using a drop of soapy water in a breath. However, not good long, the bigger bubbles will burst faster. Under normal circumstances, bubble economy might be considerate as a synonym of  false prosperity. Like a soap bubble, it looks colorful, but has nothing content in it. Once the bubble burst, prosperity will disappear immediately just like a dream. Bubble economy usually accompanied by the dramatic fluctuation of commodity prices. Nevertheless, bubble economy is not the general sense of the commodity price fluctuation, it refers specifically the prices of the goods surge after the first plummet which caused by excessive speculation are deviate seriously from the value of the goods. It is the inevitable result of the social capital is too concentrated on a department and the same commodity resale repeatably which would led to the department expand distorted in the short term but the production sector decline in the long term due to lack of sufficient funds.