1- PhD Student in Geography and Urban Planning, Science and Research Branch, Islamic Azad University, Tehran, Iran
2- Professor of Geography and Rural Planning, Imam Yadegar Shahrari Memorial Branch, Islamic Azad University, Tehran, Iran , Sarvarh83@gmail.com
3- rofessor of Geography and Rural Planning, Imam Yadegar Shahrari Memorial Branch, Islamic Azad University, Tehran, Iran
Abstract: (3610 Views)
Today, the accelerating trend of urbanization, the lack of guidance and urban management, national and regional inequalities, and differences in the socio-economic base of individuals have led to the growth and expansion of informal housing. Due to this situation, informal housing has been expanding in Tehran's metropolitan area. The present study seeks to find key factors affecting informal housing in the study area and also to determine the relationships between criteria through structural-interpretive modeling (ISM). Are; Which is applied in terms of the nature of the application and in terms of the combined method (quantitative and qualitative) and in terms of the inductive research approach In this method, a questionnaire tool was used and in order to analyze the relationships and present their structural model, the interpretive structural modeling method was used, The results of MICMAC analysis and the classification of key factors in the four matrix clusters It shows that the factors of economic growth, redistributive policies, decentralization and transfer of authority, regional equilibrium policies, revision of development and sanctions laws and regulations and its effects are in the fourth cluster,which are in fact variables of research. In fact, key variables are research, and the only factor in housing policies is the cluster of link variables, which will guide other factors, and change will affect the entire system.