Whether the capital asset pricing in Shanghai stock market from Nov.1996 tp now confroms to APT is inspected positively in this thesis.We obtain the result with the help of modern investment porfolio theory.It proves that the asset price of Shanghai stock market adheres to APT,that is,Shanghai share price is related to not only stock market systematic risk,but also other market general risk factors.This conclusion is consistent with that of Yang chaojun,who once inspected positively Shanghai stock market with CAPM.It also warns the stock investors to care for stock internal risk ahd market systematic risk,like the influnce of stock market general index on stock price.At the same time,they also have to observe the influnce of other general risk factors like industry.
Empirical analysis and comparative research have been made in this essay on the development scale of the cities in our country.With the analysis on scale efficiency,sustainable development capacity and city size distribution,we conclude that the most efficient and sustainable is those cities with population from 0.5 million to 2 million.Therefore the most important thing about city development is to improve the efficiency and sustainable development capacity of cities under 0.5 million.Our cities still belong to sub rank size disttibu,hence,consequently,we should develop potential big cities beside towns so as to make every size cities distribute reasonably and promote the urbanization of oue country.
