1{2 "record_id": "03c7319d6d03a3326e49bd775951ee9918110cee",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Does my house have a premium or discount in relation to my neighbors? A regression-kriging approach",7 "year": 2020,8 "doi": "10.1016/j.seps.2020.100914",9 "country": "Spain",10 "region_city": "Granada",11 "sample_start": 2013,12 "sample_end": 2013,13 "property_type": "condo_apartment",14 "price_type": "listing",15 "data_source": "Idealista.com listings of second-hand apartments, first two quarters of 2013 (296 apartments, ~47% of second-hand sales in the city)",16 "document_type": "journal",17 "estimators": [18 "OLS",19 "other"20 ],21 "spatial_method": "regression-kriging (geostatistical, spherical variogram of residuals)",22 "time_fe": false,23 "location_fe": false,24 "se_type": "unknown",25 "n_obs_total": 296,26 "ai_methods": [],27 "notes": "Socio-Economic Planning Sciences (accepted manuscript). Only structural characteristics in the model; location captured through kriged residuals. Table 2 reports coefficients and p-values only."28 },29 "models": [30 {31 "model_id": "T2-OLS",32 "table": "2",33 "column": "OLS",34 "page": 14,35 "dep_var": "log(PRICE) (listing price, 1000 EUR)",36 "dep_transform": "log",37 "estimator": "OLS",38 "n_obs": 296,39 "r2": null,40 "se_or_t_in_parentheses": "p",41 "sample_subset": "296 second-hand apartments listed for sale, Granada, 2013 H1",42 "notes": "Semi-log OLS with structural characteristics only (no location variables). Cross-validation R2 = 0.596, RMSE 0.345 (not in-sample R2). p-values in parentheses."43 },44 {45 "model_id": "T2-RK",46 "table": "2",47 "column": "RK",48 "page": 14,49 "dep_var": "log(PRICE) (listing price, 1000 EUR)",50 "dep_transform": "log",51 "estimator": "other",52 "n_obs": 296,53 "r2": null,54 "se_or_t_in_parentheses": "p",55 "sample_subset": "same sample",56 "notes": "Regression-kriging (regression with spatially correlated residuals; spherical variogram nugget 0.058, partial sill 0.045, range 1676 m). Cross-validation R2 = 0.733, RMSE 0.281. p-values in parentheses."57 }58 ],59 "coefficients": [60 {61 "model_id": "T2-OLS",62 "var_name_printed": "AREA",63 "taxonomy_id": "living_area",64 "x_transform": "level",65 "x_unit": "m2",66 "beta": 0.006,67 "se": null,68 "t": null,69 "p": 0.0,70 "p_stars": "",71 "ci_lo": null,72 "ci_hi": null,73 "page": 14,74 "confidence": "high",75 "notes": "Table 2: coefficient with p-value in parentheses (no SE). area of apartment in m2"76 },77 {78 "model_id": "T2-RK",79 "var_name_printed": "AREA",80 "taxonomy_id": "living_area",81 "x_transform": "level",82 "x_unit": "m2",83 "beta": 0.006,84 "se": null,85 "t": null,86 "p": 0.0,87 "p_stars": "",88 "ci_lo": null,89 "ci_hi": null,90 "page": 14,91 "confidence": "high",92 "notes": "Table 2: coefficient with p-value in parentheses (no SE). area of apartment in m2"93 },94 {95 "model_id": "T2-OLS",96 "var_name_printed": "AGE",97 "taxonomy_id": "age",98 "x_transform": "level",99 "x_unit": "years",100 "beta": -0.063,101 "se": null,102 "t": null,103 "p": 0.02,104 "p_stars": "",105 "ci_lo": null,106 "ci_hi": null,107 "page": 14,108 "confidence": "high",109 "notes": "Table 2: coefficient with p-value in parentheses (no SE). age of apartment in years, adjusted for major rehabilitation (coefficient per year as printed; magnitude large relative to mean age 23.4)"110 },111 {112 "model_id": "T2-RK",113 "var_name_printed": "AGE",114 "taxonomy_id": "age",115 "x_transform": "level",116 "x_unit": "years",117 "beta": -0.084,118 "se": null,119 "t": null,120 "p": 0.0,121 "p_stars": "",122 "ci_lo": null,123 "ci_hi": null,124 "page": 14,125 "confidence": "high",126 "notes": "Table 2: coefficient with p-value in parentheses (no SE). age of apartment in years, adjusted for major rehabilitation (coefficient per year as printed; magnitude large relative to mean age 23.4)"127 },128 {129 "model_id": "T2-OLS",130 "var_name_printed": "BATH",131 "taxonomy_id": "bathrooms",132 "x_transform": "level",133 "x_unit": "count",134 "beta": 0.148,135 "se": null,136 "t": null,137 "p": 0.005,138 "p_stars": "",139 "ci_lo": null,140 "ci_hi": null,141 "page": 14,142 "confidence": "high",143 "notes": "Table 2: coefficient with p-value in parentheses (no SE). number of bathrooms (quality indicator)"144 },145 {146 "model_id": "T2-RK",147 "var_name_printed": "BATH",148 "taxonomy_id": "bathrooms",149 "x_transform": "level",150 "x_unit": "count",151 "beta": 0.128,152 "se": null,153 "t": null,154 "p": 0.002,155 "p_stars": "",156 "ci_lo": null,157 "ci_hi": null,158 "page": 14,159 "confidence": "high",160 "notes": "Table 2: coefficient with p-value in parentheses (no SE). number of bathrooms (quality indicator)"161 },162 {163 "model_id": "T2-OLS",164 "var_name_printed": "PENT",165 "taxonomy_id": "dwelling_type",166 "x_transform": "binary",167 "x_unit": "binary",168 "beta": 0.169,169 "se": null,170 "t": null,171 "p": 0.016,172 "p_stars": "",173 "ci_lo": null,174 "ci_hi": null,175 "page": 14,176 "confidence": "high",177 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = penthouse apartment"178 },179 {180 "model_id": "T2-RK",181 "var_name_printed": "PENT",182 "taxonomy_id": "dwelling_type",183 "x_transform": "binary",184 "x_unit": "binary",185 "beta": 0.124,186 "se": null,187 "t": null,188 "p": 0.02,189 "p_stars": "",190 "ci_lo": null,191 "ci_hi": null,192 "page": 14,193 "confidence": "high",194 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = penthouse apartment"195 },196 {197 "model_id": "T2-OLS",198 "var_name_printed": "HEAT",199 "taxonomy_id": "heating",200 "x_transform": "binary",201 "x_unit": "binary",202 "beta": 0.112,203 "se": null,204 "t": null,205 "p": 0.029,206 "p_stars": "",207 "ci_lo": null,208 "ci_hi": null,209 "page": 14,210 "confidence": "high",211 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = central heating"212 },213 {214 "model_id": "T2-RK",215 "var_name_printed": "HEAT",216 "taxonomy_id": "heating",217 "x_transform": "binary",218 "x_unit": "binary",219 "beta": 0.084,220 "se": null,221 "t": null,222 "p": 0.03,223 "p_stars": "",224 "ci_lo": null,225 "ci_hi": null,226 "page": 14,227 "confidence": "high",228 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = central heating"229 },230 {231 "model_id": "T2-OLS",232 "var_name_printed": "AIRCON",233 "taxonomy_id": "air_conditioning",234 "x_transform": "binary",235 "x_unit": "binary",236 "beta": 0.141,237 "se": null,238 "t": null,239 "p": 0.001,240 "p_stars": "",241 "ci_lo": null,242 "ci_hi": null,243 "page": 14,244 "confidence": "high",245 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = air conditioning"246 },247 {248 "model_id": "T2-RK",249 "var_name_printed": "AIRCON",250 "taxonomy_id": "air_conditioning",251 "x_transform": "binary",252 "x_unit": "binary",253 "beta": 0.109,254 "se": null,255 "t": null,256 "p": 0.0,257 "p_stars": "",258 "ci_lo": null,259 "ci_hi": null,260 "page": 14,261 "confidence": "high",262 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = air conditioning"263 },264 {265 "model_id": "T2-OLS",266 "var_name_printed": "ELEV",267 "taxonomy_id": "accessibility",268 "x_transform": "binary",269 "x_unit": "binary",270 "beta": 0.369,271 "se": null,272 "t": null,273 "p": 0.0,274 "p_stars": "",275 "ci_lo": null,276 "ci_hi": null,277 "page": 14,278 "confidence": "high",279 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = building has elevator"280 },281 {282 "model_id": "T2-RK",283 "var_name_printed": "ELEV",284 "taxonomy_id": "accessibility",285 "x_transform": "binary",286 "x_unit": "binary",287 "beta": 0.295,288 "se": null,289 "t": null,290 "p": 0.0,291 "p_stars": "",292 "ci_lo": null,293 "ci_hi": null,294 "page": 14,295 "confidence": "high",296 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = building has elevator"297 },298 {299 "model_id": "T2-OLS",300 "var_name_printed": "FURNISH",301 "taxonomy_id": "appliances",302 "x_transform": "binary",303 "x_unit": "binary",304 "beta": 0.124,305 "se": null,306 "t": null,307 "p": 0.003,308 "p_stars": "",309 "ci_lo": null,310 "ci_hi": null,311 "page": 14,312 "confidence": "high",313 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = apartment furnished; mapped to appliances (nearest leaf)"314 },315 {316 "model_id": "T2-RK",317 "var_name_printed": "FURNISH",318 "taxonomy_id": "appliances",319 "x_transform": "binary",320 "x_unit": "binary",321 "beta": 0.113,322 "se": null,323 "t": null,324 "p": 0.0,325 "p_stars": "",326 "ci_lo": null,327 "ci_hi": null,328 "page": 14,329 "confidence": "high",330 "notes": "Table 2: coefficient with p-value in parentheses (no SE). 1 = apartment furnished; mapped to appliances (nearest leaf)"331 }332 ]333}