The Analysis And Exploration Of The City Real Estate Price Index Establishment Method

This article to summarize the real estate price index several establishment method, take "the room index", "the country room index" as the example to analyze the question of the real estate price index establishment in our country, finally unified our country's real estate market development actual to propose the utilization characteristic price theory establishment price index function model and the realization plan.The article first has carried on the narration to the overseas popular several kind of real estate price index establishment theory, take "the room index" and "the country room index" as the example to analyze the flaw existing in the establishment method. Our country is being at the socialism initial stage at present, the socialist market economy system does not equate the market economy in the Western country. At the same time, our country real estate industry development also has own distinctive quality. Along with our country real estate market information system gradually consummation, the detailed and real transaction information has provided for the establishment real estate price index, also using the price characteristic law establishment index has become feasible. The article chose the housing characteristic variable with the multi-dimensional linear return law, the system has selected 14 housing characteristic variables, used the least squares method to give the linear-relationship model of the housing price characteristic, and started the initial diagnosis to search the Xi'an real estate characteristic price index. Based on the summary of the domestic and foreign theory development and research about the characteristic price, according to the real estate market information system construction summary which is promulgation by the ministry of construction, analyze the real estate market and use the Excel to obtain the real estate transaction information data from the information system according to the variable requited, utilize the "Descriptive Statistics" function of the mathematical statistic software EViews 4 to statistic the objective characteristic variable to be carried on, choose the most separate variables of the obs, takes the target characteristic variables as the value of the standard housing, according to the objective characteristic variables to derives each sub-determination target characteristic variable value, establishes the basic model and modify it repeatedly, obtains the base period real estate characteristic price, calculates the goal time real estate characteristic price in this foundation, finally carries on the exponentiate.