{
 "record_id": "db3684d67741de25ae92064ef093bf9c1d604ef8",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Analyzing Key Determinants of Property Valuation in Boston Neighborhoods",
  "year": 2025,
  "doi": "10.54254/2754-1169/2025.bj25752",
  "country": "United States",
  "region_city": "Boston, MA",
  "sample_start": 2024,
  "sample_end": 2024,
  "property_type": "mixed",
  "price_type": "appraisal",
  "data_source": "City of Boston FY2024 property assessment data (Analyze Boston open data portal)",
  "document_type": "conference",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none (ZIP-code dummies)",
  "time_fe": false,
  "location_fe": true,
  "se_type": "unknown",
  "n_obs_total": null,
  "ai_methods": [
   "K-means clustering (descriptive segmentation, not used for coefficients)"
  ],
  "notes": "Student conference paper (ICEMGD 2025). Dependent variable is the assessed total value (appraisal), not a transaction price. Table 1 lists slope coefficients in dollars only; no SE, t, p or N. ZIP-code dummy coefficients (02108 Beacon Hill +589,000; 02121 Dorchester -432,000) are location fixed effects, not extracted. Exclude from primary synthesis (no variance information)."
 },
 "models": [
  {
   "model_id": "T1-c1",
   "table": "1",
   "column": "1",
   "page": 5,
   "dep_var": "Total assessed (appraisal) value, USD, FY2024 City of Boston assessment",
   "dep_transform": "level",
   "estimator": "OLS",
   "n_obs": null,
   "r2": 0.736,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Multiple linear regression fitted on a 70% training split; ZIP-code dummies (one-hot) included, not extracted; outliers below 1st/above 99th percentile removed; N not stated; RMSE 279,830 USD"
  }
 ],
 "coefficients": [
  {
   "model_id": "T1-c1",
   "var_name_printed": "Living area",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "sqft",
   "beta": 414.48,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Living area in square feet; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Full bath",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 155785,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Number of full bathrooms; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Land value",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "USD (assessed land value)",
   "beta": 1.04,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Assessed land value component entered as regressor; taxonomy other; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Half bath",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count (half bathrooms)",
   "beta": 132309.92,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Number of half bathrooms; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Num bedroom",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": -7783.65,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Number of bedrooms; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Num kitchen",
   "taxonomy_id": "kitchen_quality",
   "x_transform": "level",
   "x_unit": "count (number of kitchens)",
   "beta": -232968.69,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Number of kitchens (count, proxy for multi-unit), not kitchen quality; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Gross-living area",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "sqft (gross area minus living area, non-livable space)",
   "beta": -268.59,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Constructed variable gross area minus living area; taxonomy other; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Land sf",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "sqft",
   "beta": 0.05,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Land area in square feet; slope coefficient in dollars, no SE/t/p reported"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Owner occupied",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 27603.03,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Owner-occupancy indicator; taxonomy other; slope coefficient in dollars, no SE/t/p reported"
  }
 ]
}