In the light of this analysis,we should let market play a more important role it includes giving easier market access to specialized household agent of transact,setting up regional center markets and standardizing quarantine,sanitation and anti-epidemic in accordance with world market requirement.

OBJECTIVE:To study the present status of market concentration of pharmaceutical industry,tendency of change and the factors that induce the change of market concentration in China.

Empirical research indicates that foreign direct investment has direct correlativity with the market concentration of the target industry of developing host-country.

This paper, with the expansion model of quantity competition of Cournot, has analyzed the inner mechanism of the TNCs effects of market concentration on the developing host countries, and has examined the above effects on the market of the Chinese automobile industry in positive.

A Study on Los Angeles s Development from a Regional Central City to a Global City;

This thesis analyses how Los Angeles,one of the important cities in contemporary America and even in the world urban system,developed itself from a regional central city into a global city.