{
 "record_id": "7a87d94cbb2a1bb3af93865c70eaef38f5783daa",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Hedonic Modeling for a Growing Housing Market: Valuation of Apartments in Complexes",
  "year": 2014,
  "doi": "10.5539/ijef.v6n3p188",
  "country": "Turkey",
  "region_city": "Metropolitan Izmit (Kocaeli): Izmit, Kartepe, Basiskele",
  "sample_start": null,
  "sample_end": null,
  "property_type": "condo_apartment",
  "price_type": "transaction",
  "data_source": "survey of real estate agents' transaction records (N=405 apartments in complexes)",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none (municipality and complex dummies)",
  "time_fe": false,
  "location_fe": false,
  "se_type": "robust",
  "n_obs_total": 405,
  "ai_methods": [],
  "notes": "Sample year not printed in dump (school-quality proxy uses 2012 SBS test, so data c. 2012-2013). White-Eicker robust SEs in parentheses; stars * 10%, ** 5%, *** 1%. Complex dummy YHYKPTN and municipality dummies KARTEPE/BASISKELE not extracted (location indicators). Model (4) includes municipality dummies (location_fe partially true for that column). Table 3 (transformed percentage effects) not extracted."
 },
 "models": [
  {
   "model_id": "T2-c1",
   "table": "2",
   "column": "1",
   "page": 8,
   "dep_var": "log(PRICE), sale price of apartment (TL)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 405,
   "r2": 0.851,
   "se_or_t_in_parentheses": "se",
   "sample_subset": ""
  },
  {
   "model_id": "T2-c2",
   "table": "2",
   "column": "2",
   "page": 8,
   "dep_var": "log(PRICE), sale price of apartment (TL)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 405,
   "r2": 0.861,
   "se_or_t_in_parentheses": "se",
   "sample_subset": ""
  },
  {
   "model_id": "T2-c3",
   "table": "2",
   "column": "3",
   "page": 8,
   "dep_var": "log(PRICE), sale price of apartment (TL)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 405,
   "r2": 0.894,
   "se_or_t_in_parentheses": "se",
   "sample_subset": ""
  },
  {
   "model_id": "T2-c4",
   "table": "2",
   "column": "4",
   "page": 8,
   "dep_var": "log(PRICE), sale price of apartment (TL)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 405,
   "r2": 0.908,
   "se_or_t_in_parentheses": "se",
   "sample_subset": ""
  }
 ],
 "coefficients": [
  {
   "model_id": "T2-c1",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.012,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "floor area of apartment (m2); enters with AREA2"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.012,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "floor area of apartment (m2); enters with AREA2"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.012,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "floor area of apartment (m2); enters with AREA2"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.012,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "floor area of apartment (m2); enters with AREA2"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "AREA2",
   "taxonomy_id": "living_area",
   "x_transform": "squared",
   "x_unit": "m2",
   "beta": -2.39e-05,
   "se": 4.7e-06,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "square of floor area; printed in E-05 notation"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "AREA2",
   "taxonomy_id": "living_area",
   "x_transform": "squared",
   "x_unit": "m2",
   "beta": -2.45e-05,
   "se": 4.9e-06,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "square of floor area; printed in E-05 notation"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "AREA2",
   "taxonomy_id": "living_area",
   "x_transform": "squared",
   "x_unit": "m2",
   "beta": -2.1e-05,
   "se": 3.8e-06,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "square of floor area; printed in E-05 notation"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "AREA2",
   "taxonomy_id": "living_area",
   "x_transform": "squared",
   "x_unit": "m2",
   "beta": -2.42e-05,
   "se": 3.7e-06,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "square of floor area; printed in E-05 notation"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "CNSTR_LQ",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.14,
   "se": 0.021,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = construction quality below average"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "CNSTR_LQ",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.104,
   "se": 0.023,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = construction quality below average"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "CNSTR_LQ",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.104,
   "se": 0.025,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = construction quality below average"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "CNSTR_LQ",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.102,
   "se": 0.021,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = construction quality below average"
  },
  {
   "model_id": "T2-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": 8,
   "confidence": "high",
   "notes": "age of building in years"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.009,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "age of building in years"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.018,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "age of building in years"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.018,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "age of building in years"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "BATHROOM",
   "taxonomy_id": "bathrooms",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.135,
   "se": 0.03,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = more than one bathroom"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "BATHROOM",
   "taxonomy_id": "bathrooms",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.144,
   "se": 0.03,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = more than one bathroom"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "BATHROOM",
   "taxonomy_id": "bathrooms",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.123,
   "se": 0.033,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = more than one bathroom"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "BATHROOM",
   "taxonomy_id": "bathrooms",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.151,
   "se": 0.03,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = more than one bathroom"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "BLW_GRND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.205,
   "se": 0.05,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment below ground floor"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "BLW_GRND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.191,
   "se": 0.045,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment below ground floor"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "BLW_GRND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.237,
   "se": 0.057,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment below ground floor"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "BLW_GRND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.266,
   "se": 0.051,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment below ground floor"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "GROUND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.075,
   "se": 0.016,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment on ground floor"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "GROUND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.078,
   "se": 0.016,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment on ground floor"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "GROUND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.086,
   "se": 0.015,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment on ground floor"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "GROUND",
   "taxonomy_id": "floor_level",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.088,
   "se": 0.014,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = apartment on ground floor"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "NRTH_WST",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.011,
   "se": 0.014,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = faces north and/or west (less sunlight)"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "NRTH_WST",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.013,
   "se": 0.014,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = faces north and/or west (less sunlight)"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "NRTH_WST",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.014,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = faces north and/or west (less sunlight)"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "NRTH_WST",
   "taxonomy_id": "sunlight",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.019,
   "se": 0.011,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = faces north and/or west (less sunlight)"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "POOL",
   "taxonomy_id": "pool",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.233,
   "se": 0.045,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "swimming pool in apartment complex (shared, not private)"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "POOL",
   "taxonomy_id": "pool",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.234,
   "se": 0.046,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "swimming pool in apartment complex (shared, not private)"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "POOL",
   "taxonomy_id": "pool",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.217,
   "se": 0.039,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "swimming pool in apartment complex (shared, not private)"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "POOL",
   "taxonomy_id": "pool",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.19,
   "se": 0.041,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "swimming pool in apartment complex (shared, not private)"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "SECURITY",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.196,
   "se": 0.023,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "security guards present in complex; no taxonomy leaf"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "SECURITY",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.174,
   "se": 0.024,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "security guards present in complex; no taxonomy leaf"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "SECURITY",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.134,
   "se": 0.024,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "security guards present in complex; no taxonomy leaf"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "SECURITY",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.148,
   "se": 0.024,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "security guards present in complex; no taxonomy leaf"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "DISTANCE",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.018,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "km from CBD (Anitpark); Table 1 mislabels it 'Binary' but it is continuous (mean 5.77 km)"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "DISTANCE",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.018,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "km from CBD (Anitpark); Table 1 mislabels it 'Binary' but it is continuous (mean 5.77 km)"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "DISTANCE",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.03,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "km from CBD (Anitpark); Table 1 mislabels it 'Binary' but it is continuous (mean 5.77 km)"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "DISTANCE",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.01,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "km from CBD (Anitpark); Table 1 mislabels it 'Binary' but it is continuous (mean 5.77 km)"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "SCHOOL",
   "taxonomy_id": "school_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.2,
   "se": 0.029,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = high-quality public primary school (top-100 SBS) within 1 km; mixes proximity and quality"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "SCHOOL",
   "taxonomy_id": "school_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.151,
   "se": 0.028,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = high-quality public primary school (top-100 SBS) within 1 km; mixes proximity and quality"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "AIR",
   "taxonomy_id": "air_pollution",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.141,
   "se": 0.02,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = air perceived clean by agents (sign reversed relative to pollution)"
  },
  {
   "model_id": "T2-c4",
   "var_name_printed": "AIR",
   "taxonomy_id": "air_pollution",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.091,
   "se": 0.022,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 = air perceived clean by agents (sign reversed relative to pollution)"
  }
 ]
}