It is the purpose of this chapter to promote business and economic development in the State of Mississippi through job producing programs and by providing loans to municipalities as defined in this chapter; to assist in securing strategic investments and/or investments in small communities by private companies locating or expanding in the state; to promote the improvement and enhancement of facilities utilized in foreign and domestic commerce to and from Mississippi through state-owned ports and to provide loans to state agencies as defined in this chapter, for the construction and development of harbor, channel and port facilities; and to authorize the issuance of state bonds or notes for funding of said programs.