Trade policy openness — tariffs, non-tariff barriers, FTAs, industrial protection.
Sector-specific licensing regimes, concentration / quota allocation, state-controlled entry (energy, telecoms, healthcare, banking).
Contratos de Risco regime (9 October 1975) allowed foreign oil companies to partner with Petrobras in exploration and production under service-contract framework; partial opening of the 1953 monopoly without formal de-monopolisation. Terminated by 1988 Constitution reassertion of Petrobras monopoly; re-opened under Cardoso 1997 (Lei 9478).
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.