urban social security system

The social security in China displays the character of dual structure. The existing system including the Enterprise workers basic pension insurance. Public servants pension system and Landless farmers pension system, has covered urban workers.

中国的社会保障呈现二元化特征，现行的企业职工基本养老保险制度、公职人员退休金制度和土地被征用人员养老保障制度已经实现了对城镇劳动者的全覆盖。

Second, the urban social security system needs to be further improved.

二是进一步完善城镇社会保障体系.

Especially urban residents and workers in the construction of the social security system have reached a fairly complete and comprehensive coverage of the security level.

尤其是城镇居民和职工的社会保障体系的建设也已经达到比较完善和全面覆盖的保障水平。

Gradually perfect the old social security system which covering urban and rural areas, and develop a number of elderly social welfare institutions, actively carry out community service for the elderly, strengthening social services building of the contingent of the elderly, adjusting social welfare management functions.

逐步完善覆盖城乡的老年社会保障制度，发展一批老年社会福利机构，积极开展社区为老服务，加强老年社会服务队伍建设，调整社会福利事业管理职能。

The second part gives an introduction to the theory of effective demand, the theroy of social security fairness and the theory of welfare economics. It is helpful for providing a theoretical support for the choice of convergence model of urban-rural basic medical insurance system.

第二部分，这一部分对有效需求理论、社会保障公平性理论和福利经济学的理论分别作了介绍，有利于为我国城乡基本医疗保险制度衔接模式的选择提供理论上的支撑。