De jure and de facto independence of the central bank from fiscal authority. Per D.1.5 scope, one of the framework's defensible monetary positions.
Product-market regulation, entry barriers, licensing burdens, network-industry regulation, price controls.
Progressivity of the personal income tax schedule, including top marginal rates, bracket spread, and targeted credits (EITC-equivalents).
General government spending as share of GDP, excluding transfers already captured under fiscal.transfer_expansion to avoid double-counting.
Negotiated by John Major's government during the 1991 Treaty of Maastricht negotiations, the UK secured Protocol opt-outs from Stage 3 of Economic and Monetary Union (the single currency) and from the Social Chapter on workplace and labour-market regulation. The European Communities (Amendment) Act 1993 ratified the Treaty in domestic law while preserving UK monetary sovereignty and lighter domestic labour standards relative to the EU mainstream.
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.