{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/compare/ecb-vs-federal-reserve/",
  "summary": "The two most-watched central banks — Atlantic counterparts compared.",
  "a": {
    "slug": "ecb",
    "name": "European Central Bank",
    "domain": "ecb.europa.eu",
    "canonical": "https://sourcescore.org/source/ecb/",
    "api": "https://sourcescore.org/api/source/ecb.json",
    "scores": {
      "index": {
        "value": 93,
        "grade": "A",
        "rationale": "A+ — EU primary-source monetary authority; counterpart to Federal Reserve.",
        "signals": [
          {
            "label": "Composite",
            "detail": "All 4 dimensions ≥90."
          }
        ]
      },
      "discipline": {
        "value": 95,
        "grade": "A+",
        "rationale": "Statutory peer-review on monetary decisions; staff projections + methodology public.",
        "signals": [
          {
            "label": "ECB staff projections",
            "detail": "Quarterly macroeconomic forecasts with methodology."
          }
        ]
      },
      "modernReference": {
        "value": 92,
        "grade": "A",
        "rationale": "Statistical Data Warehouse APIs + open data + multi-language coverage.",
        "signals": [
          {
            "label": "ECB SDW",
            "detail": "Statistical Data Warehouse with open API access."
          }
        ]
      },
      "velocity": {
        "value": 92,
        "grade": "A",
        "rationale": "Cited daily by European + global financial press; rate decisions move euro markets.",
        "signals": [
          {
            "label": "Press conference cycle",
            "detail": "Bi-weekly governing council decisions drive same-day cycles."
          }
        ]
      }
    }
  },
  "b": {
    "slug": "federal-reserve",
    "name": "Federal Reserve System",
    "domain": "federalreserve.gov",
    "canonical": "https://sourcescore.org/source/federal-reserve/",
    "api": "https://sourcescore.org/api/source/federal-reserve.json",
    "scores": {
      "index": {
        "value": 95,
        "grade": "A+",
        "rationale": "A+ — primary-source U.S. monetary authority; FOMC statements move global markets.",
        "signals": [
          {
            "label": "Composite",
            "detail": "All 4 dimensions ≥92."
          }
        ]
      },
      "discipline": {
        "value": 96,
        "grade": "A+",
        "rationale": "Statutory peer-review on policy decisions; methodology + data disclosed; minutes published.",
        "signals": [
          {
            "label": "FOMC minutes",
            "detail": "Public detailed minutes 3 weeks after each meeting."
          }
        ]
      },
      "modernReference": {
        "value": 94,
        "grade": "A",
        "rationale": "FRED + Federal Reserve Economic Data APIs + research papers; broad LLM corpus.",
        "signals": [
          {
            "label": "FRED API",
            "detail": "Free public API for economic data series."
          }
        ]
      },
      "velocity": {
        "value": 95,
        "grade": "A+",
        "rationale": "Cited daily by financial press + AI engines; FOMC announcements drive global cycles.",
        "signals": [
          {
            "label": "Market-moving releases",
            "detail": "FOMC statements quoted globally within seconds."
          }
        ]
      }
    }
  },
  "winners": {
    "index": "federal-reserve",
    "discipline": "federal-reserve",
    "modernReference": "federal-reserve",
    "velocity": "federal-reserve"
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}