Statutory and effective corporate tax rates, treatment of depreciation, and international competitiveness.
Progressivity of the personal income tax schedule, including top marginal rates, bracket spread, and targeted credits (EITC-equivalents).
Product-market regulation, entry barriers, licensing burdens, network-industry regulation, price controls.
Environmental regulation stringency — emissions caps, standards, phase-out mandates, carbon pricing, renewable portfolio standards.
A series of executive orders during the first Trump administration imposed a "two-out, one-in" regulatory budget (EO 13771), required federal agencies to identify rules for repeal, and rolled back Obama-era regulations on environmental, labour, and financial domains. Notable rescissions included Clean Power Plan, methane rules, and joint-employer guidance. Agencies were directed to reduce regulatory burdens and curtail rule output.
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.