It is the public policy of this state and the purpose of this part: (1) to create a structure of the legislative branch of state government that is efficient and responsive to the needs of the people of this state and is sufficiently flexible to meet changing conditions; (2) to strengthen the legislative branch capacity to administer its affairs effectively and efficiently on behalf of the people of the state; (3) to provide means for coordination of branch activities; and (4) to eliminate unnecessary overlapping and duplication of effort within the legislative branch of state government.