; (2) the economic impacts of such overlapping ownership or control; and (3) the mechanisms by which an institutional investor could affect competition among the companies in which it invests and whether such mechanisms are prevalent. 5. GAO studies (a) In general Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall— (1) conduct a study to assess the success of merger remedies required by the Department of Justice or the Federal Trade Commission in consent decrees entered into since 6 years prior to the date of enactment of this Act, including the impact on maintaining competition, a comparison of structural and conduct remedies, and the viability of divested assets; and (2) conduct a study on the impact of mergers and acquisitions on wages, employment, innovation, and new business formation. (b) Update The Comptroller General of the United States shall— (1) update the study under paragraph (1) 3 years and 6 years after the date of enactment of this Act based on the information provided under section 7A(l) of the Clayton Act, as added by section 3 of this Act; and (2) identify specific remedies or alleged merger benefits that require additional information or research. 6. Authorization of appropriations (a) In general There is authorized to be appropriated for fiscal year 2018— (1) $180,606,000 for the Antitrust Division of the Department of Justice; and (2) $342,000,000 for the Federal Trade Commission.