Furthermore, you can also anticipate how policy interventions might affect the scholarly communications landscape in the future. For example, after the recent publication of the OSTP Guidance to Make Federally Funded Research Freely Available Without Delay, several analyses (for example, here, here and here) have been published on the impact of the Memo on publisher portfolios, highlighting that some of the most prestigious journals will be affected the most by the policy.
aka "the Nelson memo": Dr. Alondra Nelson, the head of OSTP, delivered guidance for agencies to update their public access policies as soon as possible to make publications and research funded by taxpayers publicly accessible, without an embargo or cost. All agencies will fully implement updated policies, including ending the optional 12-month embargo, no later than December 31, 2025: https://www.whitehouse.gov/ostp/news-updates/2022/08/25/ostp-issues-guidance-to-make-federally-funded-research-freely-available-without-delay/