{
  "datasetId": "yugalinks-gold-batch-1-intelligence-exporter-USA",
  "format": "Parquet",
  "description": "Market-share, supplier, concentration, volatility, and corridor-signal measures for exports from USA, Puerto Rico and US Virgin Islands.",
  "columns": [
    "year",
    "exporter_iso3",
    "importer_iso3",
    "hs_code",
    "your_market_share_pct",
    "your_share_change_pp",
    "market_imports_usd",
    "market_yoy_growth_pct",
    "market_cagr_3y_pct",
    "top_supplier_iso3",
    "top_supplier_share_pct",
    "your_share_gap_pp",
    "num_suppliers",
    "market_hhi",
    "volatility_mean_usd",
    "volatility_stddev_usd",
    "volatility_cv",
    "max_drawdown_pct",
    "momentum_yoy_pct",
    "momentum_acceleration_pct",
    "anomaly_type",
    "anomaly_severity",
    "anomaly_z_score",
    "new_corridor_signal_type",
    "new_corridor_signal_strength"
  ],
  "columnTypes": {
    "year": "UInt16",
    "exporter_iso3": "String",
    "importer_iso3": "String",
    "hs_code": "String",
    "your_market_share_pct": "Float64",
    "your_share_change_pp": "Nullable(Float64)",
    "market_imports_usd": "Float64",
    "market_yoy_growth_pct": "Nullable(Float64)",
    "market_cagr_3y_pct": "Nullable(Float64)",
    "top_supplier_iso3": "Nullable(String)",
    "top_supplier_share_pct": "Nullable(Float64)",
    "your_share_gap_pp": "Nullable(Float64)",
    "num_suppliers": "Nullable(UInt16)",
    "market_hhi": "Nullable(Float64)",
    "volatility_mean_usd": "Nullable(Float64)",
    "volatility_stddev_usd": "Nullable(Float64)",
    "volatility_cv": "Nullable(Float64)",
    "max_drawdown_pct": "Nullable(Float64)",
    "momentum_yoy_pct": "Nullable(Float64)",
    "momentum_acceleration_pct": "Nullable(Float64)",
    "anomaly_type": "Nullable(String)",
    "anomaly_severity": "Nullable(String)",
    "anomaly_z_score": "Nullable(Float64)",
    "new_corridor_signal_type": "Nullable(String)",
    "new_corridor_signal_strength": "Nullable(Float64)"
  },
  "coverage": "1995-2024 where reported",
  "rowMeaning": "one year, country pair, and HS6 product",
  "includes": [
    "Annual corridor exports",
    "Market share, supplier, and growth measures",
    "Distance, tariff, access, and concentration context"
  ],
  "metricDefinitions": [
    "USD fields are monetary values denominated in US dollars.",
    "Country fields use three-letter ISO 3166-1 country codes.",
    "HS6 identifies a product at the six-digit Harmonized System level.",
    "Growth percentages compare reported values across the relevant periods; calculated and projected fields are identified in the schema."
  ],
  "source": [
    "OECD Balanced International Merchandise Trade Statistics (BIMTS)",
    "Yugalinks calculated market and corridor context"
  ]
}