the role of bonab city in sustainable economic development: deploying economic - demographic models

today, big cities in the developing countries are growing very fast. these areas swallow all the facilities, services and the capital of the country. however, they tackle with different types of urban problems such as housing shortage, increasing the unemployment rate, the issue of marginalization, transport problem and failure in the supply of other urban services, as well as environmental degradation. on  the other side, other parts of the country, including central cities, towns and rural areas are lagging the development and are facing stagnation and stop in their progression. the overall goal of this research is to determine the effect of bonab city, a city located in east azerbaijan province of iran, in the process of the development of the surrounding settlements (area) and evaluation of its performance in the economic and demographic fields. the type of the research is applied research and the required data has been collected from the results of the last official census of population and housing in 2011. the research uses descriptive-analytic method which has been performed by using location coefficient models, elasticity methods, longitudinal graphical approach of izard, method of george charbo and tony garnier. the results show that bonab is self-sufficient in the agriculture and services sections. the actual employment rate is %93.44 and the dominant role of the city is a multi-role city. according to the izard model, the industry and services sections have relatively favorable situation. therefore, reaching to a superior position in the national and regional level requires the compiling and executing strategic plans and special attention of the country mega-scale decision making authorities to the unique and hidden capacities of bonab city.