عنوان مقاله [English]
In the increasing current development of cities, organizations and institutions, some encountered problems and complexities are the resultsof the increase of failures in the area of urban management. One of the problems added to the lots of problems of urban management and has become worse and considering the current trend of globalization of the world has been regarded as the crisis is the issue of informal settlements. This study aims is to explain the influencing institutional-administrative reasons in the formation of informal settlements and finally to provide fundamental solutions in order to improve them. The method of research is a scientific-survey one. The data collected from written documents and references has been descriptively organized considering the subject and essence of this research. The regional management and programming system in Iran with the total direct and indirect effect (0.622) is ranked 1, in local management (0.515) is in the rank of 2, in the defined terms and conditions in the plans of urban development (0.384) in the rank of 3, in the programs and regulations monitoring the constructions in the legal area and privacy of cities (0.309) in the rank of 4, in the social, economic and bioenvironmental macro policy making (0.261)in the rank of 5, in the plans and policies of housing of low-income earners (0.179)in the rank of 6, in the regulations governing the process of separation and segmentation of the land in Iran (0.168)in rank 7, in the organizations of civil society and privacy section (0.158) in the rank of 8 and in the weakness of urban culture (0.114) is in the rank of 9.