{
  "id": "negotiation-outcome-taxonomy",
  "title": "Home-Sale Radon Negotiation Outcome Taxonomy",
  "description": "The four ways an elevated radon result resolves in a residential transaction, what drives each, which party carries the residual risk, and what should be in writing.",
  "version": "1.0.0",
  "status": "published",
  "provenance": "editorial-taxonomy",
  "license": "CC BY 4.0 — reuse with attribution to Radon Connect and a link to the dataset page.",
  "published": "2026-07-29",
  "canonical": "https://radonconnect.com/datasets/negotiation-outcome-taxonomy/",
  "schema": [
    {
      "key": "outcome",
      "label": "Outcome",
      "type": "string",
      "description": "How the finding resolves."
    },
    {
      "key": "drivers",
      "label": "Typical drivers",
      "type": "string",
      "description": "Conditions under which this outcome tends to occur."
    },
    {
      "key": "residualRiskHolder",
      "label": "Residual risk held by",
      "type": "enum",
      "values": [
        "buyer",
        "seller",
        "shared"
      ],
      "description": "Who bears the risk if the remedy proves inadequate."
    },
    {
      "key": "mustBeWritten",
      "label": "Must be in writing",
      "type": "string",
      "description": "The terms that prevent this outcome going wrong."
    },
    {
      "key": "commonFailure",
      "label": "Common failure",
      "type": "string",
      "description": "How this outcome most often disappoints."
    }
  ],
  "methodology": {
    "question": "When an elevated radon result appears during a sale, what are the actual resolutions and what drives each?",
    "construction": [
      "The four outcomes are exhaustive of how a negotiated inspection finding can resolve: one side performs, one side pays, both pay, or neither does.",
      "Driver, risk-holder, and failure columns are editorial analysis grounded in the contract mechanics described across this platform’s transaction guides."
    ],
    "inclusion": [
      "Residential transactions in the ten states we serve, none of which requires a seller to test or mitigate an existing home.",
      "Transactions subject to a specific lender or programme requirement are excluded, because that requirement rather than negotiation governs."
    ],
    "limitations": [
      "This is a taxonomy, not frequency data. We hold no observations on how often each outcome occurs and do not imply a distribution — see the negotiation outcome collection instrument for what would be required to publish one.",
      "Nothing here is legal advice. What a contract requires and what a deadline means are questions for an agent and, where warranted, an attorney.",
      "Regional custom varies considerably. The drivers column describes tendencies, not rules."
    ]
  },
  "rowCount": 4,
  "rows": [
    {
      "outcome": "Seller installs before closing",
      "drivers": "Seller wants a clean file, timeline permits, buyer has leverage or the result is well above the action level.",
      "residualRiskHolder": "buyer",
      "mustBeWritten": "Credentialed contractor, written scope, post-mitigation verification test completed and delivered before closing, warranty transfer.",
      "commonFailure": "Work completed to a deadline with no verification test, leaving the buyer owning equipment of unknown performance."
    },
    {
      "outcome": "Seller credits the buyer at closing",
      "drivers": "Timeline is tight, buyer wants control of contractor selection, or the parties prefer a number to a project.",
      "residualRiskHolder": "buyer",
      "mustBeWritten": "The credit amount derived from a written quote on the actual house, not an average; who holds responsibility if scope grows.",
      "commonFailure": "Credit sized from a national figure and short of the real scope once a crawl space or second suction point appears."
    },
    {
      "outcome": "Cost split between the parties",
      "drivers": "Modest result, balanced leverage, both sides want the deal to proceed without conceding the principle.",
      "residualRiskHolder": "shared",
      "mustBeWritten": "Who contracts the work, who selects the contractor, and what happens if the verification test fails.",
      "commonFailure": "Neither party owns the outcome, so the verification test and any remedy fall between them."
    },
    {
      "outcome": "Buyer absorbs the cost",
      "drivers": "Strong seller market, waived or limited inspection contingency, or a price that already reflected condition.",
      "residualRiskHolder": "buyer",
      "mustBeWritten": "Nothing is negotiated, but the buyer should still test and budget from a written quote rather than an assumption.",
      "commonFailure": "Testing skipped along with the contingency, so the buyer inherits an unmeasured house rather than a measured one."
    }
  ]
}