{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"atlas","mode":"workspace","updatedThrough":"2026-08-15","citation":"Antitrust Radar, Atlas Research Workspace: Business Dynamism Across U.S. Sectors, 1978-2023; 2022 Economic Census Concentration of Largest Firms (2026-08-15); 2 canonical profiles and 1 declared supporting edges.","guardrail":"The workspace assembles canonical profiles and declared Atlas edges for research navigation. A direct edge preserves only its encoded evidence statement. A multi-hop route does not establish a direct endpoint relationship, make unlike measures comparable, define a legal market, assign ownership, control, liability, or causation, or prove a policy effect.","filters":{"duplicateItems":[],"items":["report:rep-business-dynamism-sectors","source:census-ecnsize-concentration-2022"],"itemsMatched":true,"requestedItems":["report:rep-business-dynamism-sectors","source:census-ecnsize-concentration-2022"],"truncated":false,"unmatchedItems":[],"layer":"all","layerMatched":true,"view":"map"},"diagnostics":{"bridgeDependenceRate":0,"confidenceCounts":{"bounded":1,"high":0,"low":0,"medium":0},"connectedPairRate":1,"directPairRate":1,"layerCounts":[{"count":0,"layer":"measurement"},{"count":0,"layer":"organization"},{"count":0,"layer":"enforcement"},{"count":1,"layer":"research"}],"sourceBearingEdgeCount":1,"sourceCoverageRate":1,"transitNodes":[]},"summary":{"bridgedPairCount":0,"connectedPairCount":1,"connectorNodeCount":0,"directPairCount":1,"disconnectedPairCount":0,"layerCount":1,"ledgerEdgeCount":1,"nodeKindCount":2,"pairCount":1,"selectedNodeCount":2,"sourceCount":1},"selectedNodes":[{"id":"report:rep-business-dynamism-sectors","kind":"report","label":"Business Dynamism Across U.S. Sectors, 1978-2023","shortLabel":"Business Dynamism Acros...","description":"A source-backed research brief on 46 years of establishment and job flows, the different entry paths of 19 broad sectors, and a guarded cross-section linking 2023 entry to 2022 detailed-industry structure.","href":"/reports/business-dynamism-across-sectors-1978-2023","metricLabel":"Evidence sources","metricValue":"2","detail":"0 linked markets","status":"published","year":2026,"color":"#6366f1","searchText":"business dynamism across u.s. sectors, 1978-2023 entry weakened nationally while broad-sector paths diverged a source-backed research brief on 46 years of establishment and job flows, the different entry paths of 19 broad sectors, and a guarded cross-section linking 2023 entry to 2022 detailed-industry structure. shows the long decline in national business entry, the range of 19 broad-sector paths, and what a guarded 17-sector structure comparison can and cannot establish. u.s. census bureau 2023 business dynamics statistics national and broad-sector annual tables for 1978-2023, paired only in a separately labeled cross-section with 2022 economic census medians of published six-digit industry hhi.","connectionCount":4},{"id":"source:census-ecnsize-concentration-2022","kind":"source","label":"2022 Economic Census Concentration of Largest Firms","shortLabel":"U.S. Census Bureau","description":"Economy-wide national firm concentration statistics by 2022 NAICS industry including revenue-based HHI and largest-firm concentration ratios.","href":"/sources/census-ecnsize-concentration-2022","metricLabel":"Access date","metricValue":"2026-07-17","detail":"U.S. Census Bureau","status":"public dataset","year":2026,"color":"#64748b","searchText":"census-ecnsize-concentration-2022 2022 economic census concentration of largest firms u.s. census bureau economy-wide national firm concentration statistics by 2022 naics industry including revenue-based hhi and largest-firm concentration ratios. u.s. census bureau, 2022 economic census, ec2200sizeconcen: selected sectors - concentration of largest firms for the united states, released april 2025. public_dataset","connectionCount":1872}],"connectorNodes":[],"pairs":[{"id":"report:rep-business-dynamism-sectors--source:census-ecnsize-concentration-2022","leftId":"report:rep-business-dynamism-sectors","leftLabel":"Business Dynamism Across U.S. Sectors, 1978-2023","rightId":"source:census-ecnsize-concentration-2022","rightLabel":"2022 Economic Census Concentration of Largest Firms","status":"direct","directEdgeCount":1,"shortestHopCount":1,"alternativeShortestPathCount":0,"primaryPathNodeIds":["report:rep-business-dynamism-sectors","source:census-ecnsize-concentration-2022"],"primaryPathEdgeIds":["report-source:rep-business-dynamism-sectors:census-ecnsize-concentration-2022"]}],"sources":[{"edgeCount":1,"href":"/sources/census-ecnsize-concentration-2022","id":"census-ecnsize-concentration-2022","label":"2022 Economic Census Concentration of Largest Firms","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip"}],"rows":[{"id":"report-source:rep-business-dynamism-sectors:census-ecnsize-concentration-2022","layer":"research","relationshipType":"report_source","relationshipLabel":"Declared publication source","fromId":"report:rep-business-dynamism-sectors","fromKind":"report","fromLabel":"Business Dynamism Across U.S. Sectors, 1978-2023","fromHref":"/reports/business-dynamism-across-sectors-1978-2023","toId":"source:census-ecnsize-concentration-2022","toKind":"source","toLabel":"2022 Economic Census Concentration of Largest Firms","toHref":"/sources/census-ecnsize-concentration-2022","evidenceLabel":"U.S. Census Bureau","evidenceDetail":"2022 Economic Census Concentration of Largest Firms appears in the report's encoded source basis.","sourceId":"census-ecnsize-concentration-2022","sourceUrl":"https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZECONCEN.zip","confidenceLevel":"bounded","indicatorId":null,"entityCode":null,"observationCount":null,"firstYear":null,"latestYear":null,"preferredView":null,"sourceIds":null,"guardrail":"A source edge records the public evidence basis declared by the publication and does not erase the source's limitations."}]}