عنوان مقاله [English]
Due to the importance of the subject, the purpose of this study is to investigate the impact of sister cities on urban development with emphasis on urban diplomacy and national development. In this regard, first, using library and field studies, the effective factors in establishing sisterhood relations between metropolises and urban diplomacy of Shiraz metropolis were identified. Then, using interviews with experts and based on the Delphi method, the identified factors were finalized. Ary is given by university professors, experts, managers and engineers of Shiraz metropolitan municipality with work and research experience in the field of sister cities, urban diplomacy and national development. Experts are selected using purposive sampling method. The research was finalized using the Delphi method including 4 main indicators of sustainable security, economic development, human resource development, socio-cultural development and 26 related sub-indicators. Then, using identified factors and based on interpretive structural modeling (ISM), a native model related to establishing sisterhood relations between metropolises and urban diplomacy is presented. Relationships between factors show the impact to improve and create the ground for improvement and urban development of Shiraz metropolis and presence in transnational relations. Considering the determination of the effectiveness levels of each of the indicators and sub-indicators, practical suggestions were presented to solve the challenges. .