| The real estate industry has already become an important economical industry atpresent and the real estate price is the most sensitive factor for it, the price isreasonable or not Influences the healthy development of the real estate industry. Thehouse price is determined by supply and demand, so to study house price have tobegin with the supply and demand. Therefore, it has some theoretical and practicalsignificance for researching on the formative process and the influencing factor of realestate price, and then proposes some microscopic suggestions aim at the questionwhich appears in the present real estate market.On the basic of the former researching fruit, I analyze the main factor affectingthe demand and supply, because the economic structure changes and or so, it is sodifferent that how all kinds of factors affect. So I take advantage of the state spacemodel theory to establish a real estate market supply and demand model, Thenthrough the establishment of a state-space model, I can observe a greater impact onthe supply and demand dynamic factors. Based on this, I Add custom variable to thedemand model and supply model which was selected by the state-space model, andthen I make the cobweb model improved. Also I make the equilibrium analysis ofChina’s real estate market.This paper take the data of the real estate market in Jiangsu Province as anexample, established the State space-Cobweb model of the national real estate marketsupply and demand. The empirical analysis results show that the China’s real estatemarket is a divergent cobweb. The price and supply and demand will notautomatically return to a balanced state, it is necessary for the state macro-control.Finally, on the basis of the empirical analysis, the article gives China’s commercialhousing and real estate market regulation suggestions. |