Investigating and evaluating the effects of urban Prosperity on urban viability)Case study: Saravan city(

Every city goes through ups and downs in order to achieve prosperity; Sometimes factors contribute to its flourishing, and sometimes some problems put this flourishing at risk. A clear understanding and use of these factors is important in planning and reforming policies and supporting some of the structures and mechanisms that influence prosperity; For this reason, it is necessary to know the factors that encourage and hinder prosperity in any city. The purpose of this study was to investigate and evaluate the effects of urban flourishing on urban viability in Saravan. This research is applied based on purpose and descriptive-analytical research based on its nature and method. Data collection was done through library resources and survey. The main research tool is a questionnaire. The statistical population size was 60014 people and the sample size was 384 people based on Cochran's formula. The results of one-sample t-test show that Saravan city is not in a good position in terms of urban prosperity indicators. Quality of life index with beta value of 0.314 had the highest and production ability index with beta coefficient of 0.126 had the least impact on the viability of Saravan city. Infrastructure index with beta coefficient of 0.254, equality and social justice index with beta coefficient of 0.212 and environmental sustainability index with beta coefficient of 0.158, respectively, in the second to fourth ranks of the most influential urban prosperity indices on They are located in the city of Saravan. Also, among the indicators of urban prosperity in Saravan, the infrastructure index with an average of 3.235 has the highest average and the environmental sustainability index with an average of 2.277 has the lowest average.