{
 "record_id": "ddac707c3201e8fd8ee39f4a8176310e5a638976",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Potential impact of property management on the market value of dwellings in multi-owned housing",
  "year": 2023,
  "doi": "10.1007/s10901-023-10032-2",
  "country": "Poland",
  "region_city": "Olsztyn",
  "sample_start": 2018,
  "sample_end": 2019,
  "property_type": "condo_apartment",
  "price_type": "transaction",
  "data_source": "Cadastral Office public register of property prices and housing cooperative price registers, Olsztyn; one typical dwelling transaction per multi-owned housing development (150 developments), Q4 2018-Q4 2019, prices time-adjusted to end 2019; attributes rated by two local experts",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "OLS",
  "n_obs_total": 146,
  "ai_methods": [],
  "notes": "Dependent variable = ln(price per m2 of usable floor area, PLN). All regressors are ordinal ranks 1-3 (Table 1, p.12): X1 overall location (rank rises as distance to city centre falls: 1 >4 km, 2 2.1-4 km, 3 <2 km); X2 neighbourhood location (rank rises as mean distance to nearest school/store/transit stop falls: 1 >0.5 km, 2 0.25-0.5, 3 <0.25); X3 floor level (1 ground/top floor, 2 other floors, 3 first/second floor); X4 dwelling area (rank rises as area falls: 1 >55 m2, 2 40-55, 3 <40); X5 building condition (1 poor-3 good); X6 building accessibility for elderly/disabled (1 none - 3 ramp+elevator+parking); X7 cleanliness and orderliness of common areas (1 bad - 3 good); X8 land development of surrounding common areas (1 poor - 3 good). Prices were time-adjusted so no time FE. Models estimated after Cook's-distance outlier removal; SE, t and p printed in columns (Table 3, p.14). M1 = full sample; M2 municipal-company managed; M3 housing cooperatives; M4 private firms. Several variables dropped per model after correlation screening."
 },
 "models": [
  {
   "model_id": "T3-M1",
   "table": "3",
   "column": "M1",
   "page": 14,
   "dep_var": "ln(price per m2, PLN)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 146,
   "r2": 0.6345,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Full sample S1 (150 developments, outliers removed); SE, t and p in separate columns"
  },
  {
   "model_id": "T3-M2",
   "table": "3",
   "column": "M2",
   "page": 14,
   "dep_var": "ln(price per m2, PLN)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 47,
   "r2": 0.6752,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Subsample S2: developments managed by municipal companies; SE, t and p in separate columns"
  },
  {
   "model_id": "T3-M3",
   "table": "3",
   "column": "M3",
   "page": 14,
   "dep_var": "ln(price per m2, PLN)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 46,
   "r2": 0.6496,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Subsample S3: developments managed by housing cooperatives; SE, t and p in separate columns"
  },
  {
   "model_id": "T3-M4",
   "table": "3",
   "column": "M4",
   "page": 14,
   "dep_var": "ln(price per m2, PLN)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 47,
   "r2": 0.7317,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Subsample S4: developments managed by private firms; SE, t and p in separate columns"
  }
 ],
 "coefficients": [
  {
   "model_id": "T3-M1",
   "var_name_printed": "X1",
   "taxonomy_id": "cbd_distance",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (distance to city centre, higher = closer)",
   "beta": -0.0684,
   "se": 0.0121,
   "t": -5.6485,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "overall location OL; rank 1 >4 km, 2 2.1-4 km, 3 <2 km; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M1",
   "var_name_printed": "X3",
   "taxonomy_id": "floor_level",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 ground/top floor, 2 other floors, 3 first/second floor)",
   "beta": 0.0211,
   "se": 0.0097,
   "t": 2.174,
   "p": 0.0314,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "floor level FL; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M1",
   "var_name_printed": "X4",
   "taxonomy_id": "living_area",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 >55 m2, 2 40-55 m2, 3 <40 m2; higher = smaller)",
   "beta": 0.0516,
   "se": 0.0111,
   "t": 4.656,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "dwelling area DA; dependent variable is price per m2 so smaller dwellings have higher unit price; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M1",
   "var_name_printed": "X5",
   "taxonomy_id": "condition",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",
   "beta": 0.0518,
   "se": 0.0152,
   "t": 3.3989,
   "p": 0.0009,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "building condition BC, technical condition of common parts; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M1",
   "var_name_printed": "X6",
   "taxonomy_id": "accessibility",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 no amenities, 2 ramp+elevator, 3 ramp+elevator+disabled parking)",
   "beta": 0.0329,
   "se": 0.0138,
   "t": 2.3773,
   "p": 0.0188,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "building accessibility BA; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M1",
   "var_name_printed": "X7",
   "taxonomy_id": "other",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",
   "beta": 0.0495,
   "se": 0.0092,
   "t": 5.3782,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M2",
   "var_name_printed": "X2",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (mean distance to nearest school, store and transit stop, higher = closer)",
   "beta": 0.0347,
   "se": 0.0095,
   "t": 3.6467,
   "p": 0.0007,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "neighbourhood location NL; rank 1 >0.5 km, 2 0.25-0.5 km, 3 <0.25 km; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M2",
   "var_name_printed": "X3",
   "taxonomy_id": "floor_level",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 ground/top floor, 2 other floors, 3 first/second floor)",
   "beta": 0.019,
   "se": 0.0076,
   "t": 2.4687,
   "p": 0.0178,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "floor level FL; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M2",
   "var_name_printed": "X5",
   "taxonomy_id": "condition",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",
   "beta": 0.0217,
   "se": 0.0098,
   "t": 2.2129,
   "p": 0.0325,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "building condition BC, technical condition of common parts; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M2",
   "var_name_printed": "X7",
   "taxonomy_id": "other",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",
   "beta": 0.0354,
   "se": 0.0122,
   "t": 2.8845,
   "p": 0.0062,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M2",
   "var_name_printed": "X8",
   "taxonomy_id": "landscaping",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",
   "beta": 0.0293,
   "se": 0.0123,
   "t": 2.3769,
   "p": 0.0222,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "land development LD of common areas: green areas, footpaths, roads, parking, recreation facilities; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M3",
   "var_name_printed": "X4",
   "taxonomy_id": "living_area",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 >55 m2, 2 40-55 m2, 3 <40 m2; higher = smaller)",
   "beta": 0.0454,
   "se": 0.0106,
   "t": 4.2847,
   "p": 0.0001,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "dwelling area DA; dependent variable is price per m2 so smaller dwellings have higher unit price; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M3",
   "var_name_printed": "X6",
   "taxonomy_id": "accessibility",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 no amenities, 2 ramp+elevator, 3 ramp+elevator+disabled parking)",
   "beta": 0.0328,
   "se": 0.0141,
   "t": 2.3329,
   "p": 0.0249,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "building accessibility BA; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M3",
   "var_name_printed": "X7",
   "taxonomy_id": "other",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",
   "beta": 0.0456,
   "se": 0.0141,
   "t": 3.2439,
   "p": 0.0024,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M3",
   "var_name_printed": "X8",
   "taxonomy_id": "landscaping",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",
   "beta": 0.033,
   "se": 0.0158,
   "t": 2.0799,
   "p": 0.0441,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "land development LD of common areas: green areas, footpaths, roads, parking, recreation facilities; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M4",
   "var_name_printed": "X2",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (mean distance to nearest school, store and transit stop, higher = closer)",
   "beta": 0.0597,
   "se": 0.0234,
   "t": 2.5526,
   "p": 0.0145,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "neighbourhood location NL; rank 1 >0.5 km, 2 0.25-0.5 km, 3 <0.25 km; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M4",
   "var_name_printed": "X4",
   "taxonomy_id": "living_area",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 >55 m2, 2 40-55 m2, 3 <40 m2; higher = smaller)",
   "beta": 0.0529,
   "se": 0.0141,
   "t": 3.7544,
   "p": 0.0005,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "dwelling area DA; dependent variable is price per m2 so smaller dwellings have higher unit price; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M4",
   "var_name_printed": "X5",
   "taxonomy_id": "condition",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",
   "beta": 0.0461,
   "se": 0.019,
   "t": 2.4304,
   "p": 0.0195,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "building condition BC, technical condition of common parts; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M4",
   "var_name_printed": "X7",
   "taxonomy_id": "other",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",
   "beta": 0.057,
   "se": 0.0264,
   "t": 2.1616,
   "p": 0.0365,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"
  },
  {
   "model_id": "T3-M4",
   "var_name_printed": "X8",
   "taxonomy_id": "landscaping",
   "x_transform": "other",
   "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",
   "beta": 0.0447,
   "se": 0.0176,
   "t": 2.536,
   "p": 0.0151,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 14,
   "confidence": "high",
   "notes": "land development LD of common areas: green areas, footpaths, roads, parking, recreation facilities; ordinal rank regressor entered as level"
  }
 ]
}