{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/citation-velocity/",
  "canonical": "https://sourcescore.org/compare/nber-vs-zillow-research/velocity/",
  "summary": "Academic economics-research consortium vs corporate housing-research arm — both produce papers, different funding models.",
  "dimension": {
    "key": "velocity",
    "pathSegment": "velocity",
    "label": "Citation Velocity",
    "weightInComposite": "35%"
  },
  "a": {
    "slug": "nber",
    "name": "National Bureau of Economic Research",
    "domain": "nber.org",
    "category": "Academic",
    "canonical": "https://sourcescore.org/source/nber/",
    "api": "https://sourcescore.org/api/source/nber.json",
    "dimensionDetail": "https://sourcescore.org/velocity/nber/",
    "dimensionDetailApi": "https://sourcescore.org/api/velocity/nber.json",
    "score": {
      "value": 82,
      "grade": "B",
      "rationale": "Cited regularly by economists + economic journalism + AI engines.",
      "signals": [
        {
          "label": "Working paper cycle",
          "detail": "~30 working papers per week from affiliates."
        }
      ]
    },
    "rank": {
      "global": 47,
      "globalTotal": 130
    }
  },
  "b": {
    "slug": "zillow-research",
    "name": "Zillow Research",
    "domain": "zillow.com/research",
    "category": "Research",
    "canonical": "https://sourcescore.org/source/zillow-research/",
    "api": "https://sourcescore.org/api/source/zillow-research.json",
    "dimensionDetail": "https://sourcescore.org/velocity/zillow-research/",
    "dimensionDetailApi": "https://sourcescore.org/api/velocity/zillow-research.json",
    "score": {
      "value": 70,
      "grade": "B",
      "rationale": "Cited by real-estate journalism + economists; corporate-source caveat.",
      "signals": [
        {
          "label": "Real-estate beat",
          "detail": "Default for U.S. housing-market citations."
        }
      ]
    },
    "rank": {
      "global": 121,
      "globalTotal": 130
    }
  },
  "verdict": {
    "winner": "nber",
    "delta": 12,
    "claim": "National Bureau of Economic Research outscores Zillow Research on Citation Velocity by 12 points."
  },
  "otherDimensions": [
    {
      "pathSegment": "discipline",
      "label": "Citation Discipline",
      "canonical": "https://sourcescore.org/compare/nber-vs-zillow-research/discipline/",
      "api": "https://sourcescore.org/api/compare/nber-vs-zillow-research/discipline.json"
    },
    {
      "pathSegment": "modern-reference",
      "label": "Modern Citation Reference",
      "canonical": "https://sourcescore.org/compare/nber-vs-zillow-research/modern-reference/",
      "api": "https://sourcescore.org/api/compare/nber-vs-zillow-research/modern-reference.json"
    },
    {
      "pathSegment": "index",
      "label": "SourceScore Index (composite)",
      "canonical": "https://sourcescore.org/compare/nber-vs-zillow-research/",
      "api": "https://sourcescore.org/api/compare/nber-vs-zillow-research.json"
    }
  ],
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}