| Real estate market regulation is always not only the hot topic which the public voices focus on, but also the challenge for the government and the scholars to solve. House property tax reform of Chongqing and Shanghai in January28th,2011transfer people’s line of sight to regulation through tax. House property tax is a kind of property tax, whose object of taxation is house. It based on the house’s residual value or rent income, and it mainly taxes the house owner.The reform has been last for more than three years, although the effects don’t seem to be optimistic, many signs reflect the inexorable trend of expanding the house property reform’s districts. It will face with many problems, one of them is whether the tax base valuation can be reasonable.Mature tax base evaluation in foreign countries mostly takes use of the technology called CAM A (short for Computer-Assisted Mass Appraisal). The theory and the time proved that mass appraisal is very applicable for house property tax’s base evaluation.Definitions of the mass appraisal center on the key word like a series of real estate, or a number of properties. It is the most distinctive feature of mass appraisal known from fee appraisal. Other differences contain technology they used, important working stage and probability of dispute for the assessed results.The thoughts about mass appraisal can be traced back to the years of20in last country. Owing to the development of technology of computer as well as mathematical statistics, mass appraisal’s influences are gradually expanding. Multiple linear regression, which can be classified as additive model, multiplicative model and mixing model, is the main method used in the mass appraisal.Although mass appraisal is different from traditional methods like market approach, cost approach and future earning approach, it retains their essence.There are two reasons why Changsha city was chosen in this empirical research. Firstly, the goal places of the next round of house property tax reform have been predicted to be the hot spots and well-prepared lower-tier cities. Secondly, the real estate industry grows good and house property right’s information registration system has been established well. Even though the GIS (short for Geographic Information System) is just starting out in China, many substitute ways of gathering information exist. Changsha conforms to these two conditions.Empirical research is the core part in this whole dissertation. Its operation has five detailed steps:One, make sure the principle of region division and the target region of evaluation. Two, make certain what kind of house the evaluation object is. Three, analyze and find out the characteristic factors which influence the value of the house in the chosen region. Four, set up model for mass appraisal and make inspection and correction according to the regression results. Five, use the result to operate mass appraisal for the tax base.During my research, I found many key points and difficulties of mass appraisal. It is very important to make sure the principle of dividing regions. It needs enough assurance for the characteristics of real estate distribution and clear understanding of the mass appraisal’s purpose, because they will count for the results’ accuracy and reasonability.Mass appraisal for tax base is a kind of job that different cities and regions may have different situations. There’s not a changeless model or characteristic values which can applied to everywhere. Evaluators should make the full preparation at the early working stage, especially figure out different regions’ conditions, list out the characteristics which affect the house’s value, without omission or repetition. The more characteristics, the more objective the judgement will be.Furthermore, mass appraisal can’t be accomplished in just one action. On the contrary, it needs continuous concern on whether the model and the chosen characteristics are keeping pace with the real estate information, to guard against the big gap between appraisal result and actual value. Tax departments, appraisal agencies and other industries’ professionals must conduct cooperation.In recent years, foreign mass appraisal of tax base developed successfully, it mostly owe to the establishment of real estate information system, improvement of mass appraisal technology and cultivation of professionals in appraisal industry. China’s house property tax reform has not generalized, it also need enough time to research on relevant policies. But as soon as the policies are introduced, much possibility will be given to many cities’ mass appraisal carrying out.We should attach more importance to changing domestic backward situation of the systems, technology and persons with ability, strengthening the cooperation with foreign organizations. Providing mass appraisal of tax base with more favorable conditions calls for our hard work of finding what are inadequate and making up for them. |
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