{
  "title": "Creative fatigue as a decay curve: labelled teaching data, not a market law",
  "synthetic": true,
  "inputs": {
    "ipm1": 12,
    "ipmN": 6,
    "freq": 4
  },
  "outputs": [
    {
      "label": "Per-step multiplier",
      "javascript": "Math.pow(v.ipmN/v.ipm1,1/(v.freq-1))",
      "expected": 0.7937005259840997
    },
    {
      "label": "Implied IPM at frequency 2",
      "javascript": "v.ipm1*Math.pow(v.ipmN/v.ipm1,1/(v.freq-1))",
      "expected": 9.524406311809196
    }
  ],
  "constraints": [
    "v.freq>1"
  ],
  "limits": "Two points cannot identify a true decay process. Auction mix, audience exhaustion and creative concept changes are out of scope."
}