In Calcasieu Parish only, in addition to those powers and authorities granted to economic development corporations under this Chapter, the following specific powers are hereby granted:
(1) To enter into partnerships, joint ventures, and other relationships with any federal, state, or local governmental agency or with any private or public firm, partnership, corporation, or other entity.
(2) To delegate to a private development corporation or other entity any duties and responsibilities as the corporation deems necessary or convenient in order to carry out the purposes of this Chapter.
(3) To give local citizens preferential treatment in job development.