{
  "paper": {
    "rank": 23,
    "paper_id": "aeraej-71",
    "title": "The Effect of High-Tech Clusters on the Productivity of Top Inventors",
    "authors": "Enrico Moretti",
    "year": 2021,
    "journal": "American Economic Review",
    "doi": "10.1257/aer.20191277",
    "package_bytes": 1164938581,
    "source_specification": "Table 2, Panel B",
    "selection_stratum": "did_continuous"
  },
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    "paper_id": "aeraej-71",
    "source_specification": "Table 2, Panel B",
    "assessment_status": "unsupported_design",
    "unsupported": "The main cluster-productivity application combines continuous cluster-density exposure and IV. Secondary Rochester/Kodak binary-shock specifications do not replace that mixed design under the current rule; their analysis data are also unavailable."
  },
  "status": "unsupported_design",
  "reason": "The main cluster-productivity application combines continuous cluster-density exposure and IV. Secondary Rochester/Kodak binary-shock specifications do not replace that mixed design under the current rule; their analysis data are also unavailable.",
  "reviewed_at": "2026-10-12",
  "eligibility": {
    "category": "instrumental_variables",
    "decision": "excluded",
    "reason": "The main cluster-productivity application combines continuous cluster-density exposure and IV. Secondary Rochester/Kodak binary-shock specifications do not replace that mixed design under the current rule; their analysis data are also unavailable."
  },
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    "count": null,
    "status": "Preparation blocked",
    "variable": "",
    "scope": "The cluster-size exposure is generated by the COMETS/APAT patent/inventor pipeline; data_3.dta and data_patent_level_3.dta are absent."
  },
  "library_replication": {
    "status": "rebuild_required",
    "verification_outcome": "public data absent",
    "code_readiness": "runs_with_shim",
    "restriction_flag": "none",
    "scope": "Reported by the supplied library; not re-executed in this tranche."
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  "estimation_performed": false
}