There are regulatory changes around intellectual property, cultural protection, or extension of copyright that will have an economic impact.
The past three deals were mostly about tariffs, so you could model what a 1% change to different tariffs would mean, and that was more straightforward. Now, however, we've mostly eliminated tariffs, and our trade and investment treaties are about more abstract things. The specific wording in the deal really affects what its impact will be.
You have to analyze that specific wording and then interpret it to set the assumptions that you're making in your model.