{
  "synthetic": true,
  "grain": "One monthly segment observation, January 2025–December 2026. Alternating product/region pairs mean product and region effects cannot be separated.",
  "columns": {
    "month": "ISO first day of month",
    "product": "Synthetic product",
    "region": "Synthetic region",
    "revenue": "USD actual revenue",
    "cost": "USD cost of goods sold",
    "budget": "USD revenue target",
    "forecast": "USD revenue forecast made before the observation",
    "ad_spend": "USD advertising spend",
    "orders": "Order count, not individual order records"
  }
}