; (B) the source, and the resulting magnitude and extent, of any cost-saving efficiencies or any consumer benefits that were claimed as a benefit of the acquisition and the extent to which any cost savings were passed on to consumers; and (C) the effectiveness of any divestitures or any conditions placed on the acquisition in preventing or mitigating harm to competition. (2) The requirement to provide the information described in paragraph (1) shall be included in an agreement described in that paragraph. (3) The Federal Trade Commission, with the concurrence of the Assistant Attorney General, by rule in accordance with section 553 of title 5, United States Code, and consistent with the purposes of this section— (A) shall require that the information described in paragraph (1) be in such form and contain such documentary material and information relevant to a proposed acquisition as is necessary and appropriate to enable the Federal Trade Commission and the Assistant Attorney General to assess the competitive impact of the acquisition under paragraph (1); and (B) may— (i) define the terms used in this subsection; (ii) exempt, from the requirements of this section, information not relevant in assessing the competitive impact of the acquisition under paragraph (1); and (iii) prescribe such other rules as may be necessary and appropriate to carry out the purposes of this section. . 4. Federal Trade Commission study Not later than 2 years after the date of enactment of this Act, the Federal Trade Commission, in consultation with the Securities and Exchange Commission, shall conduct and publish a study, using any compulsory process necessary, relying on public data and information if available and sufficient, and incorporating public comment on— (1) the extent to which an institutional investor or related institutional investors have ownership or control interests in competitors in moderately concentrated or concentrated markets; (2) the economic impacts of such overlapping ownership or control