房地产是国民经济的重要组成部分,房地产业的发展状况对国民经济的影响极大,同时又因房地产业受政策变动、资金密集、不可移动、价值量大、产销周期长、关联度高、成本变化快、既是消费品又是投资品、人为炒作多等特点,极易产生经济泡沫,形成市场剧烈波动,给整个国民经济带来严 Real estate is an important part of the national economy. The development of the real estate industry has a great impact on the national economy. At the same time, due to the real estate industry is subject to policy changes, capital-intensive, immovable, large value, long production and marketing cycle, high correlation, cost changes Fast, both consumer goods and investment products, artificial speculation and many other characteristics, easy to produce economic bubble, the formation of the market volatility, brought to the entire national economy