{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.economic-index","code":"thing-q2272475","url":"https://ver.cy/models/thing/q2272475/","name":"economic index","alternateNames":["trading strategy index"],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.MED"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"An economic index is a statistical measure that summarizes the relative level or change of an economic phenomenon, commonly by combining observations under a specified weighting and normalization method.","purpose":"Enable an agent to recognise an economic index, assess what its values support, and decide whether and how to compare, interpret or reuse them.","scope":{"in":["Economic construct, target population, geographic coverage and observation period","Component selection, source data, weights and aggregation rules","Reference periods, scales, normalization and linking methods","Published observations, release vintages, revisions and methodological continuity","Fitness for comparison, interpretation and permitted reuse"],"out":["The underlying economy, market or population being measured","Individual survey responses, transactions and other source records","The producing institution and its internal organisation","Financial instruments and contracts that reference the index","Economic policies, forecasts and causal models that use index values"],"boundaries":[]},"distinguishingFeatures":["Its values result from a specified construction rule that expresses relative change or combines economic observations; an isolated raw economic measurement does not suffice.","Its numerical meaning depends on its scale and reference convention, so an index level is not automatically a currency amount, percentage or percentage change.","The index remains identifiable across successive observations and releases; a particular observation, downloadable file or report is an instance or carrier of its published information.","It measures or summarizes an economic construct; a forecast using the index and a contract indexed to it are separate things.","A change in constituents, coverage or methodology may change what the series represents even when its public name remains unchanged."],"structure":{"bundles":[{"id":"economic-target-and-boundaries","name":"Economic target and boundaries","description":"Establishes what economic phenomenon the index represents and which series belongs to it.","layers":[{"id":"represented-economic-construct","name":"Represented economic construct","description":"Defines the intended signal and its covered economic universe.","findings":[{"id":"target-and-coverage","name":"Target and coverage","description":"Record the target construct, covered units and exclusions before interpreting observations.","questions":[{"text":"What economic phenomenon does this index claim to measure or summarize?","id":"target-and-coverage-q01","kind":"definition"},{"text":"Which territories, populations, sectors and components are included or excluded?","id":"target-and-coverage-q02","kind":"boundary"}]}]},{"id":"index-and-series-identity","name":"Index and series identity","description":"Separates the index concept from its variants, observations and publication carriers.","findings":[{"id":"variant-identification","name":"Variant identification","description":"Identify the selected series by authoritative identifier and economically meaningful variant.","questions":[{"text":"Which producer identifier identifies this series, including its geographic and adjustment variant?","id":"variant-identification-q01","kind":"provenance"},{"text":"Does the name denote an index family, a specific series, a single observation or a publication containing it?","id":"variant-identification-q02","kind":"boundary"}]}]}]},{"id":"components-and-construction","name":"Components and construction","description":"Captures how source observations become an aggregate economic signal.","layers":[{"id":"input-selection","name":"Input selection","description":"Documents the component universe and the origin and treatment of input data.","findings":[{"id":"component-evidence","name":"Component evidence","description":"Record component eligibility, source lineage and handling of absent or changing inputs.","questions":[{"text":"Which surveys, administrative records, transactions or other observations supply the components?","id":"component-evidence-q01","kind":"provenance"},{"text":"How are components selected, replaced and treated when observations are missing or no longer comparable?","id":"component-evidence-q02","kind":"measurement"}]}]},{"id":"aggregation-and-weights","name":"Aggregation and weights","description":"Specifies the transformation from component observations to the reported index.","findings":[{"id":"construction-rule","name":"Construction rule","description":"Record the formula, transformations, weighting basis and update schedule needed to explain movements.","questions":[{"text":"What formula combines the components, including normalization, sign reversal or other transformations?","id":"construction-rule-q01","kind":"measurement"},{"text":"What determines component weights, and when are weights or constituents updated?","id":"construction-rule-q02","kind":"measurement"}]}]}]},{"id":"scale-and-comparison","name":"Scale and comparison","description":"Defines the meaning of index levels and the conditions for comparisons across time or places.","layers":[{"id":"reference-and-units","name":"Reference and units","description":"Makes the index scale and any reference periods explicit.","findings":[{"id":"level-interpretation","name":"Level interpretation","description":"Distinguish a relative scale from a bounded score, balance or other index convention.","questions":[{"text":"What does an index level mean, and what reference level, range or threshold defines its scale?","id":"level-interpretation-q01","kind":"definition"},{"text":"If applicable, which periods serve as the index, price and weight references, and are they different?","id":"level-interpretation-q02","kind":"measurement"}]}]},{"id":"valid-comparisons","name":"Valid comparisons","description":"Checks adjustment, linking and scale compatibility before comparing observations.","findings":[{"id":"comparison-conditions","name":"Comparison conditions","description":"Identify which transformations and comparisons preserve the intended economic meaning.","questions":[{"text":"Are the observations comparable in coverage, seasonal treatment, calendar treatment and methodology?","id":"comparison-conditions-q01","kind":"boundary"},{"text":"Does this scale support percentage changes, point differences or another comparison, and how must rebasing or chain linking be handled?","id":"comparison-conditions-q02","kind":"action"}]}]}]},{"id":"releases-and-continuity","name":"Releases and continuity","description":"Tracks when values describe the economy, when they became available and how they change.","layers":[{"id":"observation-and-release-time","name":"Observation and release time","description":"Separates the reference period from release timing and publication vintage.","findings":[{"id":"vintage-specific-observation","name":"Vintage-specific observation","description":"Attach each value to its observation period, release timestamp and status.","questions":[{"text":"What period does this value represent, and when was this version first published?","id":"vintage-specific-observation-q01","kind":"measurement"},{"text":"Which authoritative release preserves the value available at the decision date?","id":"vintage-specific-observation-q02","kind":"provenance"}]}]},{"id":"revisions-and-method-changes","name":"Revisions and method changes","description":"Distinguishes updated estimates from changes to the construction or coverage of the index.","findings":[{"id":"continuity-assessment","name":"Continuity assessment","description":"Record revision policy, methodological breaks and the treatment of earlier observations.","questions":[{"text":"Which observations may be revised, for what reasons, and under what release policy?","id":"continuity-assessment-q01","kind":"provenance"},{"text":"After a methodology or coverage change, was history recalculated, linked or left with an explicit break?","id":"continuity-assessment-q02","kind":"boundary"}]}]}]},{"id":"interpretation-and-use","name":"Interpretation and use","description":"Connects the index's evidential limits to specific analytical and operational uses.","layers":[{"id":"signal-and-limitations","name":"Signal and limitations","description":"Records what movements support and which uncertainties remain.","findings":[{"id":"interpretive-support","name":"Interpretive support","description":"Assess representativeness, uncertainty and the distinction between measured movement and an explanation for it.","questions":[{"text":"What sampling, coverage, model or revision uncertainty is documented, and what remains unquantified?","id":"interpretive-support-q01","kind":"measurement"},{"text":"Which conclusions are supported by a movement in this index, and which require separate evidence about causes or excluded populations?","id":"interpretive-support-q02","kind":"boundary"}]}]},{"id":"application-and-reuse","name":"Application and reuse","description":"Checks whether a proposed use matches the specific series and its publication conditions.","findings":[{"id":"use-compatibility","name":"Use compatibility","description":"Evaluate series selection, allowed reuse and treatment of revisions for the intended application.","questions":[{"text":"For the intended comparison, deflation, monitoring or indexation task, which series variant and revision convention are required?","id":"use-compatibility-q01","kind":"action"},{"text":"What attribution, redistribution or licensing conditions apply to the observations and methodology being reused?","id":"use-compatibility-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-identifiers","name":"Identifiers and schemes","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these identifiers and schemes hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-identifiers-q01","kind":"provenance"}]},{"id":"evidence-standards-and-regulation","name":"Standards and regulation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these standards and regulation hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-standards-and-regulation-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-measurements","name":"Typical measurements","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these typical measurements hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-measurements-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-regional-variation","name":"Regional variation","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these regional variation hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-regional-variation-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of economic index this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report an index value with its base period, weights, coverage and source.","Explain what an economic index measures and what it leaves out."],"mustNot":["Compare index values that use different bases or methods as if they were directly comparable.","Present a preliminary or revised value as final.","Alter or cherry-pick index values to support a claim.","Use an index to make decisions about individuals it was not designed for."],"requiresHuman":["Linking contracts, wages or benefits to a specific index.","Publishing a newly constructed index that others may rely on."]},"ethics":{"considerations":["Indexes drive wages, pensions and benefits; errors shift money between people.","Choices of weights decide whose experience counts in the measure."],"affectedParties":["Wage earners and pensioners","Households","Policy makers"]},"owners":{"steward":"The statistical office or organization that compiles it.","roles":[],"masterSystems":["Official statistics databases"]},"relations":[{"target":"Q1738991","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.economic-index","Wikidata: Q2272475 (https://www.wikidata.org/wiki/Q2272475)"]},"properties":{"applicability":"not-applicable","items":["Economic target: Prices, quantities, production, trade, financial performance, sentiment, composite conditions or another stated target","Coverage: Covered territories, populations, sectors, products, assets or activities, with exclusions","Construction family: Relative index, composite score, diffusion index or another documented construction","Reference convention: Index reference period and assigned level; price and weight reference periods where applicable","Weighting and aggregation: Documented formula, weight basis, update frequency and linking rule","Published value: Index points or documented score units, attached to an observation period and release vintage","Temporal adjustment: Unadjusted, seasonally adjusted, calendar adjusted, combined or unspecified","Observation status: Preliminary, revised, final under producer policy, estimated, missing or withdrawn","Methodological continuity: Continuous, linked across change, break identified or continuity unassessed","Producer and methodology: Responsible producer, authoritative series identifier and applicable methodology version"]},"recognition":{"applicability":"optional","items":["Usually shown as a number relative to a base period, often 100, in tables and line charts.","Releases name the base period and the compiling body, which settles which index is meant."]},"capabilities":{"applicability":"required","items":["Identify the correct index and series variant for a stated economic question.","Retrieve observations with their periods, release vintages and methodological context.","Calculate supported changes while distinguishing index points from percentage changes.","Compare series after checking coverage, scale, adjustment and continuity.","Trace revisions or methodological changes that affect an interpretation.","Assess whether a proposed analytical or contractual use fits the index definition and reuse terms."]},"hazards":{"applicability":"required","items":["Methodological changes can create breaks that look like real economic change.","Misreading an index leads to wrong policy or contract outcomes."]},"interfaces":{"applicability":"required","items":["The Consumer Price Index Manual: Concepts and Methods, issued jointly by the International Labour Organization, International Monetary Fund, Eurostat, United Nations Economic Commission for Europe, Organisation for Economic Co-operation and Development and World Bank, provides methodological guidance for consumer price indices."]},"context":{"applicability":"required","items":["Economic indices are used in statistical releases, research and policy analysis to summarize changes in prices, production or other economic activity.","They support comparisons across periods or populations when their coverage, weighting and reference bases are compatible.","Some indices are used in contracts and administrative systems to adjust payments or track purchasing power."]}},"sources":[{"title":"Wikidata item Q2272475: economic index","url":"https://www.wikidata.org/wiki/Q2272475","note":"identity and sense of the item"},{"title":"Wikipedia: Index (economics)","url":"https://en.wikipedia.org/wiki/Index_%28economics%29","note":"general description of the item"}],"openQuestions":["Does the registry intend economic index to include financial market benchmarks, sentiment indices and composite development scores, or a narrower statistical class?","Does an existing Vercy world model already cover this concept, requiring this registry entry to link to that publication?","What authoritative definition should distinguish an economic index from the broader category of economic indicator?","Which index families require additional construction detail, such as quality adjustment for price indices or return treatment for market indices?","Under what conditions should a methodological redesign create a new index identity instead of a new version of the same index?"],"resources":{"spec":"/models/things/publications/thing-q2272475/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2272475/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T09:23:17Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties."},"score":1.0}}