The research of housing filtering theory lasts for dozens of years which can make housing markets operating system explicitly expounds , such researches can predict the number of newly - built houses by rational analysis with mathematical model . they also including the housing structural issues and all - course analysis on price system of housing life 住房过滤理论在国外已有几十年的研究时间，而且通过数学模型量化分析可以预测新建商品房数量，研究住房结构性问题，并对住房生命价格机理进行全过程分析，较真实地反映住房市场的运行机理。
In chapter 1 the history of tprm is intensively reviewed ; in chapter 2 some of the substantial and structural issues of tprm are given a macro - analysis , including the purpose , function , applied standards , coverage and participating parties of tprm so as to come up with a systematical understanding of tprm ; chapter 3 mainly concerns the procedural issues of tprm e . g 其中第一章重点回顾了贸易政策评审机制的产生与发展。第二章从宏观角度分析了贸易政策评审机制的一些实体性与结构性问题，包括其评审的目标与功能、适用标准、评审内容以及参加主体等方面的内容，从而构建起对贸易政策评审机制的系统性与规律性的把握。
Part3 : the problems with china ' s fiscal policy on venture capital . the problems include : a definite and integrated system of fiscal law on venture capital has not be built up . the present tax law and code are not fit for the development . the government expenditure on tech - research and product - transform is not enough . the structure of government expenditure is not in reason . the efficiency of the go 指出问题主要包括以下几点： 1 、缺乏一种针对风险投资的明确而又完整的财税法律与政策支持体系； 2 、现行税收法律政策不利于风险投资业的发展； 3 、财政投入科技研发和成果转化的资金总量不足，并且存在结构性问题，资金使用效率低下的问题普遍存在。
The modern financial systems in china made great improvement and the scale of financial assets have been expanded greatly through 20 years of financial system reform . till now our financial system still runs in low efficiency , that is , whether in the indirect finance by banks or in the direct finance by stocks trade , the contradiction between fast expanding in scales and slowly improving in efficiency still exist . thus it shows how to improve the disposing efficiency under the condition of relatively sufficient financial resources is an urgent and inevitable problem in our financial system reform at present 同时，金融资产的规模在数量上也取得了极大的扩张，但乞今为止，我国金融体系运作效率低下的现象仍极为突出，无论是经由银行进行的间接融资还是以股票方式进行的直接融资，都存在着数量的扩张与效率的提高不相一致的矛盾，由此表明如何在金融资源供给相对充足的情况下提高其配置效率，是目前我国金融体制改革中亟待解决的问题，显然，这主要是一个金融体系的结构性问题。
