{
  "series_id": "JTS400000000000000_TIGHTNESS",
  "source": "derived",
  "shortName": "Job Tightness (Trad. Transp. Util.)",
  "updateFrequency": "monthly",
  "unit": "ratio",
  "derivation": {
    "type": "ratio",
    "numerator": "JTS400000000000000JOL",
    "denominator": "UNEMPLOY",
    "description": "Job openings for Trade, Transportation, and Utilities divided by unemployment level"
  }
}