{
  "paper": {
    "rank": 12,
    "paper_id": "aeraej-555",
    "title": "Virtual Classrooms: How Online College Courses Affect Student Success",
    "authors": "Eric P. Bettinger; Lindsay Fox; Susanna Loeb; Eric S. Taylor",
    "year": 2017,
    "journal": "American Economic Review",
    "doi": "10.1257/aer.20151193",
    "package_bytes": 232934,
    "source_specification": "Table 3 col",
    "selection_stratum": "structural_"
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    "source_specification": "Table 3 col",
    "assessment_status": "unsupported_design",
    "unsupported": "Online enrollment is instrumented by offer-by-distance-to-campus. Binary online enrollment does not make the identifying IV design observational DiD; the student analysis inputs are also restricted."
  },
  "status": "unsupported_design",
  "reason": "Online enrollment is instrumented by offer-by-distance-to-campus. Binary online enrollment does not make the identifying IV design observational DiD; the student analysis inputs are also restricted.",
  "reviewed_at": "2026-10-12",
  "eligibility": {
    "category": "instrumental_variables",
    "decision": "excluded",
    "reason": "Online enrollment is instrumented by offer-by-distance-to-campus. Binary online enrollment does not make the identifying IV design observational DiD; the student analysis inputs are also restricted."
  },
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    "count": null,
    "status": "Data unavailable",
    "variable": "",
    "scope": "The student-level online-course analysis data are restricted and absent from the deposit."
  },
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}