General government spending as share of GDP, excluding transfers already captured under fiscal.transfer_expansion to avoid double-counting.
Progressivity of the personal income tax schedule, including top marginal rates, bracket spread, and targeted credits (EITC-equivalents).
Statutory and effective corporate tax rates, treatment of depreciation, and international competitiveness.
Trade policy openness — tariffs, non-tariff barriers, FTAs, industrial protection.
The Integrated Reform of Social Security and Tax, legislated by the Noda DPJ cabinet through a three-party agreement with the LDP and Komeito in August 2012, scheduled the consumption tax to rise from 5% to 8% in April 2014 and to 10% in October 2015 (later deferred), with revenues earmarked for pensions, healthcare, long-term care and child-rearing support. It also revised pension benefit indexation and tightened earnings-related contributions.
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.