[
  {
    "local_id": "C1",
    "type": "negative_result",
    "core": true,
    "statement": "Under the preregistered state-year TWFE DiD (n=601 state-years, 51 jurisdictions, 2008-2021), pharmacist direct-authority naloxone laws do not show a statistically significant protective association with crude opioid overdose mortality before synthetic-opioid dominance (ATT non-dominant \u03b21=-0.632217 per 100k, 95% CI [-4.144376, 2.879942]), so the locked attenuation claim (protection before T40.4 share \u226550% that attenuates to null afterward) is not supported; the Law\u00d7SyntheticDominant interaction is \u03b22=0.231578 (95% CI [-5.001315, 5.464471]) and ATT in dominant years is -0.400639 (95% CI [-7.530463, 6.729184]); event-study pre-trend joint p=0.318912.",
    "evidence": [
      {
        "result": "R1.beta1_law",
        "produced_by": "code/analyze.py",
        "tolerance": 0.0001
      },
      {
        "result": "R1.beta1_ci95_low",
        "produced_by": "code/analyze.py",
        "tolerance": 0.0001
      },
      {
        "result": "R1.beta1_ci95_high",
        "produced_by": "code/analyze.py",
        "tolerance": 0.0001
      },
      {
        "result": "R1.beta2_interaction",
        "produced_by": "code/analyze.py",
        "tolerance": 0.0001
      },
      {
        "result": "R1.att_dominant",
        "produced_by": "code/analyze.py",
        "tolerance": 0.0001
      },
      {
        "result": "R1.support_attenuation_claim",
        "produced_by": "code/analyze.py"
      },
      {
        "result": "R1.decision",
        "produced_by": "code/analyze.py"
      }
    ],
    "depends_on": [],
    "falsified_if": "R1.support_attenuation_claim is true, or R1.decision is support",
    "confidence": 0.75
  }
]