عنوان مقاله [English]
In today's world, urbanization in all its dimensions is expanding rapidly, and city managers are trying to meet the expectations of citizens and organizations, from the city and urban management, and to manage the city in a changing environment. Today, plan and operate. Administration of cities in the past, due to their small size and population, was possible through government assistance such as tolls. Meanwhile, government budgets are normally limited and inefficient to develop the infrastructure needed by a country. This research identified and prioritized the challenge of such contracts using qualitative and quantitative methods, which can be referred to the challenges of construction and operation, the private sector and the challenges of the public sector. The results of this study include the public sector challenge with a weight of 0.421, the private sector challenge with a weight of 0.391 and the manufacturing and exploitation sector challenge with a weight of 0.188, which were placed in the first to third priorities, respectively. In addition, four key and effective factors in the successful implementation of public-private partnership schemes can be mentioned as follows: Ensuring free access to the market and the possibility of fair and non-discriminatory competition in the economic context of society, protection of the interests of society And maximizing the added value of public-private partnership schemes, defining the optimal level of government assistance both to identify necessary and sustainable projects and to prevent the misuse of government property for windfall profits and to evaluate the most effective type of partnership with regard to The type of project desired.