{
 "record_id": "8b40d59c2cf1fb45e2898b8a9d2bc70967606aa7",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Indirect Construction of Hedonic Price Indexes for Private Properties",
  "year": 2008,
  "doi": "10.1007/bf03399268",
  "country": "Switzerland",
  "region_city": "Switzerland (nationwide, 40 regions)",
  "sample_start": 1985,
  "sample_end": 2004,
  "property_type": "mixed",
  "price_type": "transaction",
  "data_source": "Data pool of arm's length transactions from 8 Swiss banks/insurers (38,803 condominiums and 30,870 single family houses, 1985-2004); only properties <=30 years old",
  "document_type": "journal",
  "estimators": [
   "other"
  ],
  "spatial_method": "village price-level index (macro-location, GAM with driving-time coordinates) + region fixed effects",
  "time_fe": true,
  "location_fe": true,
  "se_type": "unknown",
  "n_obs_total": null,
  "ai_methods": [],
  "notes": "Swiss Journal of Economics and Statistics 144(4):607-630. Annual cross-section models 1985-2004 estimated; only the 2004 condominium (Table A, p.20) and single-family (Table B, p.21) equations are printed. Estimator = robust regression (robust R2 per Rousseeuw-Leroy), recorded as 'other'. Piecewise log-linear splines: D* = segment dummies, L* = segment slopes in ln area/volume. bauj = construction year (not age). Regional quarterly dummies not shown. n_obs not printed; residual degrees of freedom 10,345 (condos) and 7,163 (houses). Separate condominium and single-family models. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
 },
 "models": [
  {
   "model_id": "TA-c1",
   "table": "A",
   "column": "1",
   "page": 20,
   "dep_var": "ln transaction price (CHF)",
   "dep_transform": "log",
   "estimator": "other",
   "n_obs": null,
   "r2": 0.965,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "Condominiums, year 2004 cross-section (centred moving sample over six quarters); robust estimation; D.F. residuals 10,345; regional quarterly coefficients not shown"
  },
  {
   "model_id": "TB-c1",
   "table": "B",
   "column": "1",
   "page": 21,
   "dep_var": "ln transaction price (CHF)",
   "dep_transform": "log",
   "estimator": "other",
   "n_obs": null,
   "r2": 0.937,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "Single family houses, year 2004 cross-section; robust estimation; D.F. residuals 7,163; regional quarterly coefficients not shown"
  }
 ],
 "coefficients": [
  {
   "model_id": "TA-c1",
   "var_name_printed": "macro",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "index",
   "beta": 0.948,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Estimated 2004 macro-location price level of the village (log price level index from GAM); no taxonomy leaf. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "DNWF50",
   "taxonomy_id": "living_area",
   "x_transform": "dummy",
   "x_unit": "m2",
   "beta": -1.272,
   "se": 0.152,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Segment dummy: dwelling area up to 50 m2 (piecewise log-linear spline in dwelling area). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "LNWF50",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 1.114,
   "se": 0.035,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Slope of ln dwelling area (m2, SIA 416) for segment up to 50 m2 (piecewise spline). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "DNWF5075",
   "taxonomy_id": "living_area",
   "x_transform": "dummy",
   "x_unit": "m2",
   "beta": -0.352,
   "se": 0.164,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Segment dummy: dwelling area 50-75 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "LNWF5075",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.881,
   "se": 0.034,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Slope of ln dwelling area for segment 50-75 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "DNWF7500",
   "taxonomy_id": "living_area",
   "x_transform": "dummy",
   "x_unit": "m2",
   "beta": -0.056,
   "se": 0.179,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Segment dummy: dwelling area 75-100 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "LNWF7500",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.82,
   "se": 0.036,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Slope of ln dwelling area for segment 75-100 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "LNWF0150",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.81,
   "se": 0.017,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Slope of ln dwelling area for segment 100-150 m2 (reference segment). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "DNWF150P",
   "taxonomy_id": "living_area",
   "x_transform": "dummy",
   "x_unit": "m2",
   "beta": -0.442,
   "se": 0.146,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Segment dummy: dwelling area above 150 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "LNWF150P",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.899,
   "se": 0.024,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Slope of ln dwelling area for segment above 150 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "bauj",
   "taxonomy_id": "age",
   "x_transform": "other",
   "x_unit": "years",
   "beta": -0.652,
   "se": 0.073,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Construction year (year built), NOT age; enters with quadratic term bauj2; properties <=30 years old. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "bauj2",
   "taxonomy_id": "age",
   "x_transform": "other",
   "x_unit": "years",
   "beta": 0.0,
   "se": 0.0,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "medium",
   "notes": "Construction year squared; coefficient printed as 0.000 (rounded) with SE 0.000. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "stand: 4",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.132,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Standard (quality) factor level 4 vs reference (5-level factor). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "stand: 5",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.276,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Standard (quality) factor level 5 vs reference. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "micro: 4",
   "taxonomy_id": "other",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.119,
   "se": 0.003,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Micro-location factor level 4 vs reference (5-level composite of exposition, view, neighbourhood quality, proximity to services/transport, noise); no single taxonomy leaf. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TA-c1",
   "var_name_printed": "micro: 5",
   "taxonomy_id": "other",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.283,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 20,
   "confidence": "high",
   "notes": "Micro-location factor level 5 vs reference. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "macro",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "index",
   "beta": 0.892,
   "se": 0.01,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Estimated 2004 macro-location price level of the village; no taxonomy leaf. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "DVOL600",
   "taxonomy_id": "living_area",
   "x_transform": "dummy",
   "x_unit": "m3",
   "beta": -1.566,
   "se": 0.144,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Segment dummy: cubic content up to 600 m3 (piecewise spline in ln building volume, SIA 416). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LVOL600",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m3",
   "beta": 0.747,
   "se": 0.023,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln cubic content (m3) for segment up to 600 m3; building volume used instead of floor area. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LVOL1300",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m3",
   "beta": 0.507,
   "se": 0.004,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln cubic content for segment 600-1300 m3 (reference segment). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "DVOL2300",
   "taxonomy_id": "living_area",
   "x_transform": "dummy",
   "x_unit": "m3",
   "beta": -0.76,
   "se": 0.373,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Segment dummy: cubic content above 2300 m3. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LVOL2300",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "m3",
   "beta": 0.627,
   "se": 0.051,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln cubic content for segment above 2300 m3. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LLA2000",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.002,
   "se": 0.002,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln site area (m2) up to 2000 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LLAE250",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.021,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln additional site area (landexc, m2) up to 250 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "DLAE600",
   "taxonomy_id": "lot_size",
   "x_transform": "dummy",
   "x_unit": "m2",
   "beta": -0.301,
   "se": 0.085,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Segment dummy: additional site area 250-600 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LLAE600",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.077,
   "se": 0.014,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln additional site area for segment 250-600 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "DLAE1800",
   "taxonomy_id": "lot_size",
   "x_transform": "dummy",
   "x_unit": "m2",
   "beta": 0.055,
   "se": 0.126,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Segment dummy: additional site area above 600/1800 m2. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "LLAE1800",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "m2",
   "beta": 0.023,
   "se": 0.019,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Slope of ln additional site area for upper segment. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "bauj",
   "taxonomy_id": "age",
   "x_transform": "other",
   "x_unit": "years",
   "beta": -0.146,
   "se": 0.087,
   "t": null,
   "p": null,
   "p_stars": ".",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Construction year (year built), NOT age; quadratic with bauj2; properties <=30 years old. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "bauj2",
   "taxonomy_id": "age",
   "x_transform": "other",
   "x_unit": "years",
   "beta": 0.0,
   "se": 0.0,
   "t": null,
   "p": null,
   "p_stars": ".",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "medium",
   "notes": "Construction year squared; printed as 0.000 (rounded). Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "stand: 4",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.123,
   "se": 0.004,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Standard (quality) factor level 4 vs reference. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "stand: 5",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.215,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Standard (quality) factor level 5 vs reference. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "micro: 4",
   "taxonomy_id": "other",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.109,
   "se": 0.004,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Micro-location factor level 4 vs reference; no single taxonomy leaf. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  },
  {
   "model_id": "TB-c1",
   "var_name_printed": "micro: 5",
   "taxonomy_id": "other",
   "x_transform": "dummy",
   "x_unit": "ordinal",
   "beta": 0.289,
   "se": 0.006,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 21,
   "confidence": "high",
   "notes": "Micro-location factor level 5 vs reference. Standard error printed in a separate column; significance symbols: '.' 10%, * 5%, ** 1%, *** 0.1% (1 per mille)."
  }
 ]
}