{
 "record_id": "35b0e34c43595f2139ae225aceb59ae4af4bb8da",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Incentivizing the Public to Support Invasive Species Management: Eurasian Milfoil Reduces Lakefront Property Values",
  "year": 2014,
  "doi": "10.1371/journal.pone.0110458",
  "country": "United States",
  "region_city": "King County, Washington (41 lakes near Seattle)",
  "sample_start": 1995,
  "sample_end": 2006,
  "property_type": "single_family",
  "price_type": "transaction",
  "data_source": "1,258 lakeshore single-family sale transactions 1995-2006 (King County assessor records), 17 invaded and 24 uninvaded lakes",
  "document_type": "journal",
  "estimators": [
   "IV"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "unknown",
  "n_obs_total": 1258,
  "ai_methods": [],
  "notes": "Linear (level) hedonic 2SLS; dependent variable sales price in 2006 USD. Table 2 (p.4) reports the top three AICc-selected models; coefficients and SEs in separate columns, significance stars. Variables such as house age, frontage, boat launch, fish stocking and temperature were candidate/instrumental variables and do not appear in the reported models. No R2 printed. Mean sale price 502,313 USD."
 },
 "models": [
  {
   "model_id": "T2-c1",
   "table": "2",
   "column": "Model 1",
   "page": 4,
   "dep_var": "property sales price, land + house (2006 USD)",
   "dep_transform": "level",
   "estimator": "IV",
   "n_obs": 1258,
   "r2": null,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "lakefront single-family sales, 41 lakes in King County WA, 1995-2006; two-stage least squares with milfoil presence endogenous; top-3 model by AICc (AICc 23.931, relative likelihood 1.0); n_obs from text (1,258 transactions), not printed in table"
  },
  {
   "model_id": "T2-c2",
   "table": "2",
   "column": "Model 2",
   "page": 4,
   "dep_var": "property sales price, land + house (2006 USD)",
   "dep_transform": "level",
   "estimator": "IV",
   "n_obs": 1258,
   "r2": null,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "lakefront single-family sales, 41 lakes in King County WA, 1995-2006; two-stage least squares with milfoil presence endogenous; top-3 model by AICc (AICc 23.986, relative likelihood 0.969); n_obs from text (1,258 transactions), not printed in table"
  },
  {
   "model_id": "T2-c3",
   "table": "2",
   "column": "Model 3",
   "page": 4,
   "dep_var": "property sales price, land + house (2006 USD)",
   "dep_transform": "level",
   "estimator": "IV",
   "n_obs": 1258,
   "r2": null,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "lakefront single-family sales, 41 lakes in King County WA, 1995-2006; two-stage least squares with milfoil presence endogenous; top-3 model by AICc (AICc 23.998, relative likelihood 0.963); n_obs from text (1,258 transactions), not printed in table"
  }
 ],
 "coefficients": [
  {
   "model_id": "T2-c1",
   "var_name_printed": "Milfoil presence",
   "taxonomy_id": "water_quality",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": -94385.4,
   "se": 46712.9,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "presence of invasive Eurasian milfoil in the lake adjacent to the property (endogenous, instrumented by boat launch, fish stocking, water clarity, lake area, temperature); lake-level attribute; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "House size",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 2608.1,
   "se": 344.2,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "total living area in m2; coefficient in 2006 USD per m2; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Parcel density",
   "taxonomy_id": "density",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 102.8,
   "se": 70.3,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "number of lakefront parcels per km2 (lake-level); SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Lake area",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km2",
   "beta": 209407.8,
   "se": 81848.0,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "surface area of the adjacent lake in km2 (lake-level attribute); SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Water clarity",
   "taxonomy_id": "water_quality",
   "x_transform": "level",
   "x_unit": "m",
   "beta": -7430.3,
   "se": 11160.2,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "mean Secchi depth of the lake (m) during milfoil growing season; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Milfoil presence",
   "taxonomy_id": "water_quality",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": -94670.0,
   "se": 49174.7,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "presence of invasive Eurasian milfoil in the lake adjacent to the property (endogenous, instrumented by boat launch, fish stocking, water clarity, lake area, temperature); lake-level attribute; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "House size",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 2474.0,
   "se": 703.9,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "total living area in m2; coefficient in 2006 USD per m2; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Lot size",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -1.2,
   "se": 13.2,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "parcel size in m2; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Lake area",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km2",
   "beta": 154409.5,
   "se": 74073.6,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "surface area of the adjacent lake in km2 (lake-level attribute); SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Water clarity",
   "taxonomy_id": "water_quality",
   "x_transform": "level",
   "x_unit": "m",
   "beta": -6962.7,
   "se": 12820.2,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "mean Secchi depth of the lake (m) during milfoil growing season; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Milfoil presence",
   "taxonomy_id": "water_quality",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": -92558.0,
   "se": 48255.6,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "presence of invasive Eurasian milfoil in the lake adjacent to the property (endogenous, instrumented by boat launch, fish stocking, water clarity, lake area, temperature); lake-level attribute; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "House size",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 2681.6,
   "se": 726.0,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "total living area in m2; coefficient in 2006 USD per m2; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Lot size",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 3.1,
   "se": 12.9,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "parcel size in m2; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Parcel density",
   "taxonomy_id": "density",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 115.4,
   "se": 78.6,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "number of lakefront parcels per km2 (lake-level); SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Lake area",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km2",
   "beta": 215595.0,
   "se": 84521.5,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "surface area of the adjacent lake in km2 (lake-level attribute); SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Water clarity",
   "taxonomy_id": "water_quality",
   "x_transform": "level",
   "x_unit": "m",
   "beta": -6954.9,
   "se": 12600.7,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 4,
   "confidence": "high",
   "notes": "mean Secchi depth of the lake (m) during milfoil growing season; SE in separate column; stars * p<0.10 ** p<0.05 *** p<0.01; table printed rotated, columns reconstructed from PDF positions; minus signs rendered as '2' in the PDF text layer"
  }
 ]
}