Trade policy openness — tariffs, non-tariff barriers, FTAs, industrial protection.
Following US withdrawal from TPP (Jan 2017), New Zealand under English participated in the 11-party renegotiation producing the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) signed 8 Mar 2018 Santiago, entering force for NZ 30 Dec 2018.
Per invariant 3, reforms are scored by what they did on each channel-separated axis, not by the party that enacted them. This fingerprint is how the policy-match engine finds historical analogues.
Explicit links are curated by the author. Inferred links are hypotheses in the library that test the same axes this policy moved — the framework's answer to "what does the data say about a policy like this?".
Ranked by axis-fingerprint overlap with this policy. Direction match bolded — those are the closest historical analogues. Shape of the match is what drives policy-outcome comparison, not the country or party label.