{
  "paper": {
    "rank": 31,
    "paper_id": "aeraej-112",
    "title": "Does Vertical Integration Decrease Prices? Evidence from the Paramount Antitrust Case of 1948",
    "authors": "Ricard Gil",
    "year": 2015,
    "journal": "American Economic Journal: Economic Policy",
    "doi": "10.1257/pol.20120245",
    "package_bytes": 1576324,
    "source_specification": "Table 4, col 1"
  },
  "mapping": {
    "paper_id": "aeraej-112",
    "match": false,
    "outcome": "highprice",
    "treatment": "vi",
    "unit": "theaterid",
    "time": "year",
    "cluster": "theaterid",
    "unsupported": "The source vertical-integration regressor is fractional, not a binary adoption indicator. The comparison is withheld rather than thresholding it.",
    "note": "The comparison retains the source trend interactions and market controls and adds unrestricted year effects."
  },
  "status": "unsupported_design",
  "source_fit": {
    "formula": "list(linear = highprice ~ vi + viet + vit + t + tv + vi_theater_share +      hhi, fixef = ~theaterid)",
    "coefficients": {
      "vi": 0.205102632564654,
      "viet": 0.0359908723940899,
      "vit": -0.0290843831903583,
      "t": 0.00807534017718559,
      "tv": 0.0233286490598507,
      "vi_theater_share": -0.000392332963804949,
      "hhi": 3.84653292935209e-06
    },
    "se": {
      "vi": 0.0699657630117923,
      "viet": 0.0100309737983023,
      "vit": 0.00823749041526105,
      "t": 0.00561016295561458,
      "tv": 0.00719783561584891,
      "vi_theater_share": 0.000489984410633982,
      "hhi": 5.02019376730892e-06
    },
    "n": 2683
  },
  "reason": "The source vertical-integration regressor is fractional, not a binary adoption indicator. The comparison is withheld rather than thresholding it."
}
