{
  "model": "Illustrative fixed physical envelope; not an architectural test fit",
  "inputs": {
    "baseline_homes": 96,
    "baseline_enclosed_spaces": 39,
    "surface_spaces": 10,
    "sqft_per_added_space": 350,
    "gross_sqft_per_home": 1000,
    "assessed_value_per_home": 571144,
    "tax_per_thousand": 10.24,
    "minimum_total_spaces": 0,
    "maximum_total_spaces": 109,
    "local_spending_share": 0.5,
    "occupancy_share": 1.0,
    "annual_household_spending_basket": 16882
  },
  "area_inputs_status": "Round illustrative assumptions, not measured building areas",
  "parking_allocation": "Reduce enclosed parking first. Below 10 total spaces, all remaining spaces are surface spaces. Removing surface spaces frees land but adds no enclosed housing area in this model.",
  "zoning_limit": "Home-equivalents above 96 illustrate physical capacity under the assumptions, not units authorized by the proposed article.",
  "tax_source": "Town-retained RKG fiscal peer review, October 7, 2026",
  "spending_source": "BLS Consumer expenditures in 2024, Report 1119, Table 2; https://www.bls.gov/opub/reports/consumer-expenditures/2024/home.htm",
  "spending_categories": [
    {
      "category": "Food",
      "annual_2024_dollars": 10169
    },
    {
      "category": "Apparel and services",
      "annual_2024_dollars": 2001
    },
    {
      "category": "Entertainment",
      "annual_2024_dollars": 3609
    },
    {
      "category": "Personal care products and services",
      "annual_2024_dollars": 978
    },
    {
      "category": "Reading",
      "annual_2024_dollars": 125
    }
  ],
  "economic_measure": "Annual gross direct local spending potential = home-equivalents \u00d7 occupancy share \u00d7 national annual selected-category spending per consumer unit \u00d7 assumed local spending share. Treat one occupied home as one consumer unit. No multiplier, business profit, Town receipts, or net new regional impact is estimated. The national benchmark is not adjusted to the future residents' household sizes or incomes; dollar results are expressed in 2024 prices.",
  "local_spending_share_status": "50% is an illustrative assumption, not a BLS or Coolidge Corner survey result. Halving it halves every spending-dollar estimate.",
  "rounding": "Calculations retain unrounded home-equivalents. Displayed fractional capacity uses one decimal place; tax dollars use whole dollars; spending dollars use the nearest $1,000."
}