It is the purpose of this chapter to permit local government units of the state to make the most efficient use of their powers and resources by enabling them to cooperate and to contract with other local government units, including foreign governmental units from another state, on a basis of mutual advantage, to share the costs of and revenues derived from a project, and to pledge revenue from a project to secure payment of the bonds issued for the project, and thereby provide services and facilities in a manner pursuant to forms of governmental organization that will accord best with geographic, economic, population and other factors influencing the needs and economic development of the local government units.