`data/multiplier_1978_1984.json`

141 lines
{
  "generated_at": "2026-04-24T18:27:06.922Z",
  "anchor_window": "1978-01 → 1984-12",
  "geography": "Los Angeles County (LA-Long Beach-Anaheim MSA where rent)",
  "sources": {
    "homePrice": "FRED · ATNHPIUS06037A",
    "rent": "FRED · CUURA421SEHA (BLS CPI-U rent LA-LB-Anaheim)"
  },
  "price_yoy": [
    {
      "year": 1978,
      "value": 30.19,
      "yoy_pct": null
    },
    {
      "year": 1979,
      "value": 35.66,
      "yoy_pct": 18.118582312023833
    },
    {
      "year": 1980,
      "value": 41.85,
      "yoy_pct": 17.35838474481213
    },
    {
      "year": 1981,
      "value": 45.25,
      "yoy_pct": 8.124253285543604
    },
    {
      "year": 1982,
      "value": 40,
      "yoy_pct": -11.602209944751381
    },
    {
      "year": 1983,
      "value": 47.49,
      "yoy_pct": 18.725000000000005
    },
    {
      "year": 1984,
      "value": 48.99,
      "yoy_pct": 3.1585596967782688
    }
  ],
  "rent_yoy": [
    {
      "year": 1978,
      "value": 59.4,
      "yoy_pct": null
    },
    {
      "year": 1979,
      "value": 65,
      "yoy_pct": 9.42760942760943
    },
    {
      "year": 1980,
      "value": 72.2,
      "yoy_pct": 11.076923076923082
    },
    {
      "year": 1981,
      "value": 80.9,
      "yoy_pct": 12.049861495844878
    },
    {
      "year": 1982,
      "value": 89.9,
      "yoy_pct": 11.124845488257106
    },
    {
      "year": 1983,
      "value": 96.7,
      "yoy_pct": 7.563959955506114
    },
    {
      "year": 1984,
      "value": 102.8,
      "yoy_pct": 6.3081695966907905
    }
  ],
  "phases": [
    {
      "name": "first_leg_up",
      "from": 1978,
      "to": 1979,
      "price_yoy": 18.118582312023833
    },
    {
      "name": "rate_shock_stall",
      "from": 1980,
      "to": 1982,
      "price_yoy": 4.626809361868118
    },
    {
      "name": "recovery",
      "from": 1983,
      "to": 1984,
      "price_yoy": 10.941779848389137
    }
  ],
  "months_to_double": {
    "first_leg_up": 49.95089283781449,
    "rate_shock_stall": 183.90079644584213,
    "recovery": 80.10532459526998,
    "cycle_avg": 96.72032144407616
  },
  "rent_to_price_ratio": {
    "1978": {
      "home_price": 30.19,
      "rent_cpi": 59.4
    },
    "1979": {
      "home_price": 35.66,
      "rent_cpi": 65
    },
    "1980": {
      "home_price": 41.85,
      "rent_cpi": 72.2
    },
    "1981": {
      "home_price": 45.25,
      "rent_cpi": 80.9
    },
    "1982": {
      "home_price": 40,
      "rent_cpi": 89.9
    },
    "1983": {
      "home_price": 47.49,
      "rent_cpi": 96.7
    },
    "1984": {
      "home_price": 48.99,
      "rent_cpi": 102.8
    }
  },
  "editorial_rule": "Never display a projection without its anchor window + confidence dot. Never claim predictive accuracy beyond the documented cycle."
}