{
 "record_id": "0f88c3ee1b9c25f3d6602c7c07d55400a39f254b",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "End of the line: The impact of new suburban rail stations on housing prices",
  "year": 2023,
  "doi": "10.5198/jtlu.2023.2199",
  "country": "United States",
  "region_city": "Prince George's County, Maryland (Washington, DC suburb)",
  "sample_start": 1998,
  "sample_end": 2007,
  "property_type": "single_family",
  "price_type": "transaction",
  "data_source": "Maryland Real Property Assessments (Maryland Open Data Portal); WMATA station shapefiles; Commuter Connections park-and-ride data",
  "document_type": "journal",
  "estimators": [
   "OLS",
   "FE_panel"
  ],
  "spatial_method": "none (ZIP FE / house FE)",
  "time_fe": true,
  "location_fe": true,
  "se_type": "clustered",
  "n_obs_total": 57912,
  "ai_methods": [],
  "notes": "Hedonic model (T3-c1): ZIP code FE, sales year-quarter FE, ZIP-specific linear trends, SE clustered at ZIP. Repeat-sales models: house FE (structural characteristics drop out). Table 4 column 1 is identical to T3-c2 and was not duplicated. Table 4 note says robust SE. Appendix tables A1-A3 (levels specification, distance categories) are in a separate supplemental file, not in the PDF. Distance effect is positive (station proximity a disamenity)."
 },
 "models": [
  {
   "model_id": "T3-c1",
   "table": "3",
   "column": "1",
   "page": 11,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 57912,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "full sample hedonic; ZIP code FE, year-quarter FE, ZIP linear trends; SE clustered at ZIP"
  },
  {
   "model_id": "T3-c2",
   "table": "3",
   "column": "2",
   "page": 11,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 16511,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales sample with house FE, time FE, ZIP linear trends"
  },
  {
   "model_id": "T4-c2",
   "table": "4",
   "column": "2",
   "page": 14,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 11243,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales robustness: properties built before 1990; robust SE"
  },
  {
   "model_id": "T4-c3",
   "table": "4",
   "column": "3",
   "page": 14,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 8956,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales robustness: properties < 5 miles from station; robust SE"
  },
  {
   "model_id": "T4-c4",
   "table": "4",
   "column": "4",
   "page": 14,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 12132,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales robustness: properties < 7 miles; robust SE"
  },
  {
   "model_id": "T4-c5",
   "table": "4",
   "column": "5",
   "page": 14,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 15980,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales robustness: properties < 10 miles; robust SE"
  },
  {
   "model_id": "T4-c6",
   "table": "4",
   "column": "6",
   "page": 14,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 32231,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales robustness: all repeat sales 1994-2011 (extended window); robust SE"
  },
  {
   "model_id": "T4-c7",
   "table": "4",
   "column": "7",
   "page": 14,
   "dep_var": "ln(sales price), 2000 dollars",
   "dep_transform": "log",
   "estimator": "FE_panel",
   "n_obs": 32231,
   "r2": null,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "repeat-sales robustness: placebo-type: treatment date = construction groundbreaking, 1994-2011 sample; robust SE"
  }
 ],
 "coefficients": [
  {
   "model_id": "T3-c1",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.028,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.002,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "age of home; with Age squared"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Age squared",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years",
   "beta": -0.0,
   "se": 0.0,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "printed -0.000 (0.000)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Structural area (ln)",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.411,
   "se": 0.019,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "log structural area in sq ft"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Basement",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.161,
   "se": 0.01,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Below average",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.109,
   "se": 0.017,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "1 = below average condition"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Split level",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.06,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "1 = split-level house"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Parking",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0,
   "se": 0.0,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "number of all-day parking spaces within one mile of nearest station (station attribute, not property parking); printed 0.000 (0.000)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.05,
   "se": 0.011,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; repeat sales with house FE; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.002,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Parking",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0,
   "se": 0.0,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "station park-and-ride spaces within one mile; printed 0.000 (0.000)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.044,
   "se": 0.01,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties built before 1990; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "+",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties built before 1990"
  },
  {
   "model_id": "T4-c3",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.058,
   "se": 0.031,
   "t": null,
   "p": null,
   "p_stars": "+",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties < 5 miles from station; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T4-c3",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.0,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties < 5 miles from station"
  },
  {
   "model_id": "T4-c4",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.078,
   "se": 0.021,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties < 7 miles; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T4-c4",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.005,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties < 7 miles"
  },
  {
   "model_id": "T4-c5",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.062,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties < 10 miles; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T4-c5",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.003,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; properties < 10 miles"
  },
  {
   "model_id": "T4-c6",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.042,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; all repeat sales 1994-2011 (extended window); stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T4-c6",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; all repeat sales 1994-2011 (extended window)"
  },
  {
   "model_id": "T4-c7",
   "var_name_printed": "Distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "miles",
   "beta": 0.019,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; placebo-type: treatment date = construction groundbreaking, 1994-2011 sample; stars: *** p<0.001, ** p<0.01, * p<0.05, + p<0.10 (non-standard legend)"
  },
  {
   "model_id": "T4-c7",
   "var_name_printed": "Distance squared",
   "taxonomy_id": "transit_distance",
   "x_transform": "squared",
   "x_unit": "miles",
   "beta": -0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "medium",
   "notes": "Euclidean distance (miles) to nearest Metro station in sales year; quadratic with Distance squared; placebo-type: treatment date = construction groundbreaking, 1994-2011 sample"
  }
 ]
}