1{2 "record_id": "ddac707c3201e8fd8ee39f4a8176310e5a638976",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Potential impact of property management on the market value of dwellings in multi-owned housing",7 "year": 2023,8 "doi": "10.1007/s10901-023-10032-2",9 "country": "Poland",10 "region_city": "Olsztyn",11 "sample_start": 2018,12 "sample_end": 2019,13 "property_type": "condo_apartment",14 "price_type": "transaction",15 "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",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none",21 "time_fe": false,22 "location_fe": false,23 "se_type": "OLS",24 "n_obs_total": 146,25 "ai_methods": [],26 "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."27 },28 "models": [29 {30 "model_id": "T3-M1",31 "table": "3",32 "column": "M1",33 "page": 14,34 "dep_var": "ln(price per m2, PLN)",35 "dep_transform": "log",36 "estimator": "OLS",37 "n_obs": 146,38 "r2": 0.6345,39 "se_or_t_in_parentheses": "none",40 "sample_subset": "Full sample S1 (150 developments, outliers removed); SE, t and p in separate columns"41 },42 {43 "model_id": "T3-M2",44 "table": "3",45 "column": "M2",46 "page": 14,47 "dep_var": "ln(price per m2, PLN)",48 "dep_transform": "log",49 "estimator": "OLS",50 "n_obs": 47,51 "r2": 0.6752,52 "se_or_t_in_parentheses": "none",53 "sample_subset": "Subsample S2: developments managed by municipal companies; SE, t and p in separate columns"54 },55 {56 "model_id": "T3-M3",57 "table": "3",58 "column": "M3",59 "page": 14,60 "dep_var": "ln(price per m2, PLN)",61 "dep_transform": "log",62 "estimator": "OLS",63 "n_obs": 46,64 "r2": 0.6496,65 "se_or_t_in_parentheses": "none",66 "sample_subset": "Subsample S3: developments managed by housing cooperatives; SE, t and p in separate columns"67 },68 {69 "model_id": "T3-M4",70 "table": "3",71 "column": "M4",72 "page": 14,73 "dep_var": "ln(price per m2, PLN)",74 "dep_transform": "log",75 "estimator": "OLS",76 "n_obs": 47,77 "r2": 0.7317,78 "se_or_t_in_parentheses": "none",79 "sample_subset": "Subsample S4: developments managed by private firms; SE, t and p in separate columns"80 }81 ],82 "coefficients": [83 {84 "model_id": "T3-M1",85 "var_name_printed": "X1",86 "taxonomy_id": "cbd_distance",87 "x_transform": "other",88 "x_unit": "ordinal rank 1-3 (distance to city centre, higher = closer)",89 "beta": -0.0684,90 "se": 0.0121,91 "t": -5.6485,92 "p": 0.0,93 "p_stars": "",94 "ci_lo": null,95 "ci_hi": null,96 "page": 14,97 "confidence": "high",98 "notes": "overall location OL; rank 1 >4 km, 2 2.1-4 km, 3 <2 km; ordinal rank regressor entered as level"99 },100 {101 "model_id": "T3-M1",102 "var_name_printed": "X3",103 "taxonomy_id": "floor_level",104 "x_transform": "other",105 "x_unit": "ordinal rank 1-3 (1 ground/top floor, 2 other floors, 3 first/second floor)",106 "beta": 0.0211,107 "se": 0.0097,108 "t": 2.174,109 "p": 0.0314,110 "p_stars": "",111 "ci_lo": null,112 "ci_hi": null,113 "page": 14,114 "confidence": "high",115 "notes": "floor level FL; ordinal rank regressor entered as level"116 },117 {118 "model_id": "T3-M1",119 "var_name_printed": "X4",120 "taxonomy_id": "living_area",121 "x_transform": "other",122 "x_unit": "ordinal rank 1-3 (1 >55 m2, 2 40-55 m2, 3 <40 m2; higher = smaller)",123 "beta": 0.0516,124 "se": 0.0111,125 "t": 4.656,126 "p": 0.0,127 "p_stars": "",128 "ci_lo": null,129 "ci_hi": null,130 "page": 14,131 "confidence": "high",132 "notes": "dwelling area DA; dependent variable is price per m2 so smaller dwellings have higher unit price; ordinal rank regressor entered as level"133 },134 {135 "model_id": "T3-M1",136 "var_name_printed": "X5",137 "taxonomy_id": "condition",138 "x_transform": "other",139 "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",140 "beta": 0.0518,141 "se": 0.0152,142 "t": 3.3989,143 "p": 0.0009,144 "p_stars": "",145 "ci_lo": null,146 "ci_hi": null,147 "page": 14,148 "confidence": "high",149 "notes": "building condition BC, technical condition of common parts; ordinal rank regressor entered as level"150 },151 {152 "model_id": "T3-M1",153 "var_name_printed": "X6",154 "taxonomy_id": "accessibility",155 "x_transform": "other",156 "x_unit": "ordinal rank 1-3 (1 no amenities, 2 ramp+elevator, 3 ramp+elevator+disabled parking)",157 "beta": 0.0329,158 "se": 0.0138,159 "t": 2.3773,160 "p": 0.0188,161 "p_stars": "",162 "ci_lo": null,163 "ci_hi": null,164 "page": 14,165 "confidence": "high",166 "notes": "building accessibility BA; ordinal rank regressor entered as level"167 },168 {169 "model_id": "T3-M1",170 "var_name_printed": "X7",171 "taxonomy_id": "other",172 "x_transform": "other",173 "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",174 "beta": 0.0495,175 "se": 0.0092,176 "t": 5.3782,177 "p": 0.0,178 "p_stars": "",179 "ci_lo": null,180 "ci_hi": null,181 "page": 14,182 "confidence": "high",183 "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"184 },185 {186 "model_id": "T3-M2",187 "var_name_printed": "X2",188 "taxonomy_id": "neighbourhood_amenities",189 "x_transform": "other",190 "x_unit": "ordinal rank 1-3 (mean distance to nearest school, store and transit stop, higher = closer)",191 "beta": 0.0347,192 "se": 0.0095,193 "t": 3.6467,194 "p": 0.0007,195 "p_stars": "",196 "ci_lo": null,197 "ci_hi": null,198 "page": 14,199 "confidence": "high",200 "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"201 },202 {203 "model_id": "T3-M2",204 "var_name_printed": "X3",205 "taxonomy_id": "floor_level",206 "x_transform": "other",207 "x_unit": "ordinal rank 1-3 (1 ground/top floor, 2 other floors, 3 first/second floor)",208 "beta": 0.019,209 "se": 0.0076,210 "t": 2.4687,211 "p": 0.0178,212 "p_stars": "",213 "ci_lo": null,214 "ci_hi": null,215 "page": 14,216 "confidence": "high",217 "notes": "floor level FL; ordinal rank regressor entered as level"218 },219 {220 "model_id": "T3-M2",221 "var_name_printed": "X5",222 "taxonomy_id": "condition",223 "x_transform": "other",224 "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",225 "beta": 0.0217,226 "se": 0.0098,227 "t": 2.2129,228 "p": 0.0325,229 "p_stars": "",230 "ci_lo": null,231 "ci_hi": null,232 "page": 14,233 "confidence": "high",234 "notes": "building condition BC, technical condition of common parts; ordinal rank regressor entered as level"235 },236 {237 "model_id": "T3-M2",238 "var_name_printed": "X7",239 "taxonomy_id": "other",240 "x_transform": "other",241 "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",242 "beta": 0.0354,243 "se": 0.0122,244 "t": 2.8845,245 "p": 0.0062,246 "p_stars": "",247 "ci_lo": null,248 "ci_hi": null,249 "page": 14,250 "confidence": "high",251 "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"252 },253 {254 "model_id": "T3-M2",255 "var_name_printed": "X8",256 "taxonomy_id": "landscaping",257 "x_transform": "other",258 "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",259 "beta": 0.0293,260 "se": 0.0123,261 "t": 2.3769,262 "p": 0.0222,263 "p_stars": "",264 "ci_lo": null,265 "ci_hi": null,266 "page": 14,267 "confidence": "high",268 "notes": "land development LD of common areas: green areas, footpaths, roads, parking, recreation facilities; ordinal rank regressor entered as level"269 },270 {271 "model_id": "T3-M3",272 "var_name_printed": "X4",273 "taxonomy_id": "living_area",274 "x_transform": "other",275 "x_unit": "ordinal rank 1-3 (1 >55 m2, 2 40-55 m2, 3 <40 m2; higher = smaller)",276 "beta": 0.0454,277 "se": 0.0106,278 "t": 4.2847,279 "p": 0.0001,280 "p_stars": "",281 "ci_lo": null,282 "ci_hi": null,283 "page": 14,284 "confidence": "high",285 "notes": "dwelling area DA; dependent variable is price per m2 so smaller dwellings have higher unit price; ordinal rank regressor entered as level"286 },287 {288 "model_id": "T3-M3",289 "var_name_printed": "X6",290 "taxonomy_id": "accessibility",291 "x_transform": "other",292 "x_unit": "ordinal rank 1-3 (1 no amenities, 2 ramp+elevator, 3 ramp+elevator+disabled parking)",293 "beta": 0.0328,294 "se": 0.0141,295 "t": 2.3329,296 "p": 0.0249,297 "p_stars": "",298 "ci_lo": null,299 "ci_hi": null,300 "page": 14,301 "confidence": "high",302 "notes": "building accessibility BA; ordinal rank regressor entered as level"303 },304 {305 "model_id": "T3-M3",306 "var_name_printed": "X7",307 "taxonomy_id": "other",308 "x_transform": "other",309 "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",310 "beta": 0.0456,311 "se": 0.0141,312 "t": 3.2439,313 "p": 0.0024,314 "p_stars": "",315 "ci_lo": null,316 "ci_hi": null,317 "page": 14,318 "confidence": "high",319 "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"320 },321 {322 "model_id": "T3-M3",323 "var_name_printed": "X8",324 "taxonomy_id": "landscaping",325 "x_transform": "other",326 "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",327 "beta": 0.033,328 "se": 0.0158,329 "t": 2.0799,330 "p": 0.0441,331 "p_stars": "",332 "ci_lo": null,333 "ci_hi": null,334 "page": 14,335 "confidence": "high",336 "notes": "land development LD of common areas: green areas, footpaths, roads, parking, recreation facilities; ordinal rank regressor entered as level"337 },338 {339 "model_id": "T3-M4",340 "var_name_printed": "X2",341 "taxonomy_id": "neighbourhood_amenities",342 "x_transform": "other",343 "x_unit": "ordinal rank 1-3 (mean distance to nearest school, store and transit stop, higher = closer)",344 "beta": 0.0597,345 "se": 0.0234,346 "t": 2.5526,347 "p": 0.0145,348 "p_stars": "",349 "ci_lo": null,350 "ci_hi": null,351 "page": 14,352 "confidence": "high",353 "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"354 },355 {356 "model_id": "T3-M4",357 "var_name_printed": "X4",358 "taxonomy_id": "living_area",359 "x_transform": "other",360 "x_unit": "ordinal rank 1-3 (1 >55 m2, 2 40-55 m2, 3 <40 m2; higher = smaller)",361 "beta": 0.0529,362 "se": 0.0141,363 "t": 3.7544,364 "p": 0.0005,365 "p_stars": "",366 "ci_lo": null,367 "ci_hi": null,368 "page": 14,369 "confidence": "high",370 "notes": "dwelling area DA; dependent variable is price per m2 so smaller dwellings have higher unit price; ordinal rank regressor entered as level"371 },372 {373 "model_id": "T3-M4",374 "var_name_printed": "X5",375 "taxonomy_id": "condition",376 "x_transform": "other",377 "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",378 "beta": 0.0461,379 "se": 0.019,380 "t": 2.4304,381 "p": 0.0195,382 "p_stars": "",383 "ci_lo": null,384 "ci_hi": null,385 "page": 14,386 "confidence": "high",387 "notes": "building condition BC, technical condition of common parts; ordinal rank regressor entered as level"388 },389 {390 "model_id": "T3-M4",391 "var_name_printed": "X7",392 "taxonomy_id": "other",393 "x_transform": "other",394 "x_unit": "ordinal rank 1-3 (1 bad, 3 good)",395 "beta": 0.057,396 "se": 0.0264,397 "t": 2.1616,398 "p": 0.0365,399 "p_stars": "",400 "ci_lo": null,401 "ci_hi": null,402 "page": 14,403 "confidence": "high",404 "notes": "cleanliness and orderliness of common property CO; ordinal rank regressor entered as level"405 },406 {407 "model_id": "T3-M4",408 "var_name_printed": "X8",409 "taxonomy_id": "landscaping",410 "x_transform": "other",411 "x_unit": "ordinal rank 1-3 (1 poor, 3 good)",412 "beta": 0.0447,413 "se": 0.0176,414 "t": 2.536,415 "p": 0.0151,416 "p_stars": "",417 "ci_lo": null,418 "ci_hi": null,419 "page": 14,420 "confidence": "high",421 "notes": "land development LD of common areas: green areas, footpaths, roads, parking, recreation facilities; ordinal rank regressor entered as level"422 }423 ]424}