; (iv) the effects of such concentration on new business formation, investment flows, and distribution of revenue and profits among firms; (v) the extent to which network effects allow major technology platforms to attain and maintain market power; and (vi) in the online marketplace, the extent to which competitors are capable of usurping the dominance of major technology platforms. (K) The extent of common ownership by institutional investors and the effects of such common ownership. (L) The extent of distribution of patent, copyright, and trademark ownership across firms. (M) The causes of concentration and factors that exacerbate the adverse effects of such concentration. (N) The relationship among concentration, vertical integration, firm size, and corporate political activities, including lobbying activities and donations to campaigns and political campaign committees. (O) The economic benefits and costs of the increase of mergers and conglomerates. (P) The extent of abuse of superior bargaining power between buyers and sellers. (2) Report Not later than 3 years after the date of the enactment of this Act, the Commission shall submit to Congress a report describing the results of such study. (c) Membership (1) Composition of the Commission The Commission shall be composed of 15 members appointed as follows: (A) The Speaker of the House of Representatives, the minority leader of the House of Representatives, the President pro tempore of the Senate, and the minority leader of the Senate shall each appoint 1 member from among the House of Representatives and the Senate. (B) The Attorney General, the Chair of the Federal Trade Commission, and the Chair of the Federal Reserve Board shall each appoint 1 member. (C) The Council of Economic Advisers shall appoint by majority vote— (i) 1 member with expertise in labor organization; (ii) 1 member with expertise in labor policy; (iii) 1 member who is an executive of a business with fewer than 500 employees