{
 "record_id": "7b29c36e620db272e042f7b9f343c676a2038678",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Interpretable Machine Learning for Real Estate Market Analysis",
  "year": 2022,
  "doi": "10.2139/ssrn.3835931",
  "country": "Germany",
  "region_city": "Frankfurt am Main",
  "sample_start": 2013,
  "sample_end": 2019,
  "property_type": "rental",
  "price_type": "rent",
  "data_source": "apartment rental asking-price listings, Frankfurt, Jan 2013 - Dec 2019 (52,966 obs; Table 1), with OSM-type POI distances and ZIP-level purchasing power",
  "document_type": "journal",
  "estimators": [
   "OLS",
   "spatial_lag",
   "other"
  ],
  "spatial_method": "SAR (spatial lag); coordinates as controls in all models",
  "time_fe": true,
  "location_fe": false,
  "se_type": "OLS",
  "n_obs_total": 52966,
  "ai_methods": [
   "XGBoost",
   "permutation feature importance",
   "partial dependence plots",
   "accumulated local effects",
   "H-statistic interactions"
  ],
  "notes": "Published version: Real Estate Economics, DOI 10.1111/1540-6229.12397 (SSRN DOI in metadata). Rent is asking rent per month. Table 2 reports OLS, GAM and SAR; XGBoost results are feature importances/PDP/ALE (not coefficients) and are not extracted. Several SAR coefficients are printed *** although beta/SE < 2 (flagged medium). SE type not stated (assumed conventional)."
 },
 "models": [
  {
   "model_id": "T2-c1",
   "table": "2",
   "column": "OLS",
   "page": 11,
   "dep_var": "log monthly asking rent (EUR/month)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 52966,
   "r2": 0.88,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "OLS; year and month controls; apartment coordinates as location controls; adj R2 0.880"
  },
  {
   "model_id": "T2-c2",
   "table": "2",
   "column": "GAM",
   "page": 11,
   "dep_var": "log monthly asking rent (EUR/month)",
   "dep_transform": "log",
   "estimator": "other",
   "n_obs": 52966,
   "r2": 0.898,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "generalised additive model; only parametric (linear) terms extracted - size, age and all distance variables enter as smooth splines (edf reported, not coefficients); adj R2 0.898"
  },
  {
   "model_id": "T2-c3",
   "table": "2",
   "column": "SAR",
   "page": 11,
   "dep_var": "log monthly asking rent (EUR/month)",
   "dep_transform": "log",
   "estimator": "spatial_lag",
   "n_obs": 52966,
   "r2": 0.885,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "spatial autoregressive model, rho 0.131; SEs printed with comma decimal separator; R2 0.885"
  }
 ],
 "coefficients": [
  {
   "model_id": "T2-c1",
   "var_name_printed": "log size in sq.m.",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.939,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "apartment size in m2, log; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Floors",
   "taxonomy_id": "floor_level",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.002,
   "se": 0.0004,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "floor level of apartment (integer); all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Age (relative to 2017)",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.0002,
   "se": 3e-05,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "building age relative to 2017; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Bathtub",
   "taxonomy_id": "bathroom_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.032,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "dwelling has a bathtub; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Refurbished",
   "taxonomy_id": "renovation",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.015,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "refurbished dwelling; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Built-in kitchen",
   "taxonomy_id": "kitchen_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.084,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "built-in kitchen; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Balcony",
   "taxonomy_id": "terrace_balcony",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.011,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Parking",
   "taxonomy_id": "parking",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.053,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "parking space included; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Elevator",
   "taxonomy_id": "accessibility",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.053,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Terrace",
   "taxonomy_id": "terrace_balcony",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.041,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "log Purchasing Power",
   "taxonomy_id": "income",
   "x_transform": "log",
   "x_unit": "currency",
   "beta": 0.406,
   "se": 0.011,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "household purchasing power EUR per household at ZIP level, log; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "CBD_distance",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.019,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Bar_distance",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.031,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest bar; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Beergarden_distance",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.02,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest beer garden; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Cafe_distance",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.014,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest cafe; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Bakery_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.011,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest bakery; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Convenience store_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.036,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest convenience store; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Department store_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.006,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest department store; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Supermarket_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.018,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest supermarket; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Bus station_distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.028,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest bus station; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Railway station_distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.02,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest railway station; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Traffic signals_distance",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km",
   "beta": 0.086,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest traffic signal (traffic nuisance proxy); no taxonomy leaf; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Car wash_distance",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km",
   "beta": 0.012,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest car wash (nuisance proxy); no taxonomy leaf; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Park_distance",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.024,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest park; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "School_distance",
   "taxonomy_id": "school_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.003,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest school; all coefficients printed ***; stars * p<0.1 ** p<0.05 *** p<0.01; printed *** inconsistent with beta/SE = -0.6"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "log size in sq.m.",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.928,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "apartment size in m2, log; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Floors",
   "taxonomy_id": "floor_level",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.003,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "floor level of apartment (integer); SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Age (relative to 2017)",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.0,
   "se": 0.0001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "building age relative to 2017; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Bathtub",
   "taxonomy_id": "bathroom_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.032,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "dwelling has a bathtub; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Refurbished",
   "taxonomy_id": "renovation",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.013,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "refurbished dwelling; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Built-in kitchen",
   "taxonomy_id": "kitchen_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.077,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "built-in kitchen; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Balcony",
   "taxonomy_id": "terrace_balcony",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.012,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Parking",
   "taxonomy_id": "parking",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.048,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "parking space included; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Elevator",
   "taxonomy_id": "accessibility",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.048,
   "se": 0.009,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Terrace",
   "taxonomy_id": "terrace_balcony",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.041,
   "se": 0.009,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "log Purchasing Power",
   "taxonomy_id": "income",
   "x_transform": "log",
   "x_unit": "currency",
   "beta": 0.313,
   "se": 0.04,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "household purchasing power EUR per household at ZIP level, log; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "CBD_distance",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.014,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Bar_distance",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.024,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest bar; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Beergarden_distance",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.015,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest beer garden; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Cafe_distance",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.011,
   "se": 0.01,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest cafe; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Bakery_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.016,
   "se": 0.009,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest bakery; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Convenience store_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.035,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest convenience store; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Department store_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.008,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest department store; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Supermarket_distance",
   "taxonomy_id": "commercial_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.029,
   "se": 0.02,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest supermarket; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Bus station_distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.017,
   "se": 0.004,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest bus station; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Railway station_distance",
   "taxonomy_id": "transit_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.02,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest railway station; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Traffic signals_distance",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km",
   "beta": 0.075,
   "se": 0.024,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "distance to nearest traffic signal (traffic nuisance proxy); no taxonomy leaf; SAR; all printed ***; SE decimal comma in source"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Car wash_distance",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "km",
   "beta": 0.007,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest car wash (nuisance proxy); no taxonomy leaf; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "Park_distance",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.019,
   "se": 0.02,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest park; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c3",
   "var_name_printed": "School_distance",
   "taxonomy_id": "school_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": 0.008,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "distance to nearest school; SAR; all printed ***; SE decimal comma in source; printed *** inconsistent with beta/SE ratio"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "log size in sq.m.",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.9,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "medium",
   "notes": "apartment size in m2, log; GAM parametric term; no SE printed for this entry"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Floors",
   "taxonomy_id": "floor_level",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.003,
   "se": 0.0003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "floor level of apartment (integer); GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Bathtub",
   "taxonomy_id": "bathroom_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.016,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "dwelling has a bathtub; GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Refurbished",
   "taxonomy_id": "renovation",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.005,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "refurbished dwelling; GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Built-in kitchen",
   "taxonomy_id": "kitchen_quality",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.077,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "built-in kitchen; GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Balcony",
   "taxonomy_id": "terrace_balcony",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.025,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Parking",
   "taxonomy_id": "parking",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.032,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "parking space included; GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Elevator",
   "taxonomy_id": "accessibility",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.02,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Terrace",
   "taxonomy_id": "terrace_balcony",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.02,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "GAM parametric term"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "log Purchasing Power",
   "taxonomy_id": "income",
   "x_transform": "log",
   "x_unit": "currency",
   "beta": 0.069,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 11,
   "confidence": "high",
   "notes": "household purchasing power EUR per household at ZIP level, log; GAM parametric term"
  }
 ]
}