Risk Analysis Of Real Estate Investment System Based On Factor Analysis-Topsis Theory

As China's economic development and the pursuit of continuous improvement of people's material,real estate investment activities are also increasingly active.Real estate has become one of China's pillar industries.But China's real estate market mechanism is not perfect,policies and regulations are not perfect,the real estate industry in China in recent years,persistent overheated investment,house prices,the national macro-control is not ideal and so on.The face of housing prices,many people have complained that the Government continues to regulate the real estate industry has become a high-risk industry.The real estate industry has become about social harmony and stability of people's lives is an important factor.Risks of real estate investment theory and the business community is facing a major issue.This paper discusses the impact on the real estate investment risk factors,summed up the inflation risk,the market supply and demand risk,cycle risk,liquidity risk,interest rate risk,policy risk,political risk and contingent loss risk several categories.On this basis,the risk factors were analyzed.From the macro level,the risk index system of real estate investment system is constructed.This paper selects the average growth rate/GDP growth rate,the average growth rate/CPI growth rate of real estate price earnings ratio index,the vacancy rate of housing land price index,growth rate,housing sales growth for social consumer goods growth rate,development and investment growth rate,development investment proportion and development investment in fixed assets accounted for GDP the ratio of investment in real estate investment risk measure from the index system.In this paper,the factor analysis method and TOPSIS method and SPSS 19.0,matlab as the means of statistical analysis are used to measure the risk of H real estate investment system,and the systematic risk degree of H real estate market investment in recent ten years is obtained.The national policy has a great influence on the risk of real estate investment system and forecast real estate system risk trends in 2017,then gives suggestions.