1{2 "record_id": "549587ac03dcb9d550c7fe68da027277dd876b12",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "A divide-and-conquer approach for spatio-temporal analysis of large house price data from Greater London",7 "year": 2024,8 "doi": "10.1007/s10479-025-06889-x",9 "country": "United Kingdom",10 "region_city": "Greater London (983 MSOAs)",11 "sample_start": 2011,12 "sample_end": 2019,13 "property_type": "mixed",14 "price_type": "transaction",15 "data_source": "HM Land Registry price paid data merged with EPC records, 651,202 transactions, 106 monthly periods (Jan 2011 - Oct 2019); newly built properties excluded",16 "document_type": "journal",17 "estimators": [18 "other"19 ],20 "spatial_method": "Bayesian spatio-temporal Gaussian process (separable Matern/exponential space-time random effect) estimated by divide-and-conquer with Wasserstein barycenter (D&C-STBD)",21 "time_fe": false,22 "location_fe": false,23 "se_type": "unknown",24 "n_obs_total": 651202,25 "ai_methods": [],26 "notes": "arXiv 2407.15905 version. Dependent variable is log(price per square metre). Table 2 reports posterior means with 95% credible intervals (no SE); ci_lo/ci_hi are Bayesian credible bounds. Linear and quadratic time trends and trend x CO2 interaction included but not extracted. Comparison models (simple hedonic OLS, spatial hedonic with region FE, temporal, SBD) are reported only by fit statistics (Table 3), not coefficients. All numeric covariates are log-transformed (log(1+x))."27 },28 "models": [29 {30 "model_id": "T2-c1",31 "table": "2",32 "column": "1",33 "page": 17,34 "dep_var": "log(price per square metre)",35 "dep_transform": "per_m2",36 "estimator": "other",37 "n_obs": 651202,38 "r2": 0.796,39 "se_or_t_in_parentheses": "none",40 "sample_subset": "Full sample, 983 MSOAs x 106 months; Bayesian posterior mean with 95% credible interval; R2 from Table 3 (D&C-STBD)"41 }42 ],43 "coefficients": [44 {45 "model_id": "T2-c1",46 "var_name_printed": "log (1 + Area)",47 "taxonomy_id": "living_area",48 "x_transform": "log",49 "x_unit": "m2",50 "beta": -0.319,51 "se": null,52 "t": null,53 "p": null,54 "p_stars": "",55 "ci_lo": -0.321,56 "ci_hi": -0.316,57 "page": 17,58 "confidence": "high",59 "notes": "Total floor area in m2 entered as log(1+Area); dependent variable is log price PER square metre, so the negative coefficient is a size discount on unit price, not on total price"60 },61 {62 "model_id": "T2-c1",63 "var_name_printed": "Rooms (3 Rooms)",64 "taxonomy_id": "bedrooms",65 "x_transform": "dummy",66 "x_unit": "count",67 "beta": 0.066,68 "se": null,69 "t": null,70 "p": null,71 "p_stars": "",72 "ci_lo": 0.065,73 "ci_hi": 0.068,74 "page": 17,75 "confidence": "high",76 "notes": "Number of rooms (all rooms, not bedrooms) category cat2 = 3 rooms; base category <= 2 rooms"77 },78 {79 "model_id": "T2-c1",80 "var_name_printed": "Rooms (4 Rooms)",81 "taxonomy_id": "bedrooms",82 "x_transform": "dummy",83 "x_unit": "count",84 "beta": 0.059,85 "se": null,86 "t": null,87 "p": null,88 "p_stars": "",89 "ci_lo": 0.057,90 "ci_hi": 0.062,91 "page": 17,92 "confidence": "high",93 "notes": "Number of rooms category 4 rooms; base <= 2 rooms"94 },95 {96 "model_id": "T2-c1",97 "var_name_printed": "Rooms (5 Rooms)",98 "taxonomy_id": "bedrooms",99 "x_transform": "dummy",100 "x_unit": "count",101 "beta": 0.064,102 "se": null,103 "t": null,104 "p": null,105 "p_stars": "",106 "ci_lo": 0.061,107 "ci_hi": 0.067,108 "page": 17,109 "confidence": "high",110 "notes": "Number of rooms category 5 rooms; base <= 2 rooms"111 },112 {113 "model_id": "T2-c1",114 "var_name_printed": "Rooms (> 5 Rooms)",115 "taxonomy_id": "bedrooms",116 "x_transform": "dummy",117 "x_unit": "count",118 "beta": 0.109,119 "se": null,120 "t": null,121 "p": null,122 "p_stars": "",123 "ci_lo": 0.106,124 "ci_hi": 0.113,125 "page": 17,126 "confidence": "high",127 "notes": "Number of rooms category > 5 rooms; base <= 2 rooms"128 },129 {130 "model_id": "T2-c1",131 "var_name_printed": "Property type (Terraced)",132 "taxonomy_id": "dwelling_type",133 "x_transform": "dummy",134 "x_unit": "binary",135 "beta": -0.052,136 "se": null,137 "t": null,138 "p": null,139 "p_stars": "",140 "ci_lo": -0.054,141 "ci_hi": -0.05,142 "page": 17,143 "confidence": "high",144 "notes": "Base category semi-detached"145 },146 {147 "model_id": "T2-c1",148 "var_name_printed": "Property type (Detached)",149 "taxonomy_id": "dwelling_type",150 "x_transform": "dummy",151 "x_unit": "binary",152 "beta": 0.141,153 "se": null,154 "t": null,155 "p": null,156 "p_stars": "",157 "ci_lo": 0.138,158 "ci_hi": 0.144,159 "page": 17,160 "confidence": "high",161 "notes": "Base category semi-detached"162 },163 {164 "model_id": "T2-c1",165 "var_name_printed": "Property type (Flats)",166 "taxonomy_id": "dwelling_type",167 "x_transform": "dummy",168 "x_unit": "binary",169 "beta": -0.25,170 "se": null,171 "t": null,172 "p": null,173 "p_stars": "",174 "ci_lo": -0.252,175 "ci_hi": -0.247,176 "page": 17,177 "confidence": "high",178 "notes": "Base category semi-detached"179 },180 {181 "model_id": "T2-c1",182 "var_name_printed": "Fireplace",183 "taxonomy_id": "fireplace",184 "x_transform": "binary",185 "x_unit": "binary",186 "beta": 0.064,187 "se": null,188 "t": null,189 "p": null,190 "p_stars": "",191 "ci_lo": 0.062,192 "ci_hi": 0.065,193 "page": 17,194 "confidence": "high",195 "notes": "1 if fireplace present"196 },197 {198 "model_id": "T2-c1",199 "var_name_printed": "Ventilation (Extract-only)",200 "taxonomy_id": "other",201 "x_transform": "dummy",202 "x_unit": "binary",203 "beta": 0.029,204 "se": null,205 "t": null,206 "p": null,207 "p_stars": "",208 "ci_lo": 0.022,209 "ci_hi": 0.036,210 "page": 17,211 "confidence": "high",212 "notes": "Mechanical ventilation type (EPC); base category natural ventilation; printed name 'Ventilation (Extract-only)'"213 },214 {215 "model_id": "T2-c1",216 "var_name_printed": "Ventilation (Both supply and extract)",217 "taxonomy_id": "other",218 "x_transform": "dummy",219 "x_unit": "binary",220 "beta": 0.055,221 "se": null,222 "t": null,223 "p": null,224 "p_stars": "",225 "ci_lo": 0.043,226 "ci_hi": 0.065,227 "page": 17,228 "confidence": "high",229 "notes": "Mechanical ventilation type (EPC); base natural ventilation; printed name 'Ventilation (Both supply and extract)'"230 },231 {232 "model_id": "T2-c1",233 "var_name_printed": "Wind turbine",234 "taxonomy_id": "other",235 "x_transform": "binary",236 "x_unit": "binary",237 "beta": 0.006,238 "se": null,239 "t": null,240 "p": null,241 "p_stars": "",242 "ci_lo": -0.019,243 "ci_hi": 0.031,244 "page": 17,245 "confidence": "high",246 "notes": "1 if the property has a wind turbine (EPC micro-generation feature on the dwelling, not proximity to a wind farm); printed name 'Wind turbine'; CI includes zero"247 },248 {249 "model_id": "T2-c1",250 "var_name_printed": "log (1 + CO2 emission)",251 "taxonomy_id": "energy_efficiency",252 "x_transform": "log",253 "x_unit": "kg/m2 per year",254 "beta": -0.031,255 "se": null,256 "t": null,257 "p": null,258 "p_stars": "",259 "ci_lo": -0.035,260 "ci_hi": -0.028,261 "page": 17,262 "confidence": "high",263 "notes": "EPC CO2 emissions per year in kg/m2, entered as log(1+x); main effect at trend = 0 (an interaction trend x CO2 = 0.076 (0.070, 0.081) is also reported but not extracted)"264 }265 ]266}