1{2 "record_id": "122e07c191e40cdc3321c3817fb731f2d55466e1",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Path selection of spatial econometric model for mass appraisal of real estate: evidence from Yinchuan, China",7 "year": 2023,8 "doi": "10.3846/ijspm.2023.20376",9 "country": "China",10 "region_city": "Yinchuan, Xixia District (Ningxia)",11 "sample_start": 2022,12 "sample_end": 2022,13 "property_type": "condo_apartment",14 "price_type": "listing",15 "data_source": "Listing prices (yuan/m2) from lianjia.com, anjuke.com, 58.com collected 1-7 April 2022; 429 benchmark properties selected from >2,500 listings",16 "document_type": "journal",17 "estimators": [18 "spatial_lag",19 "other"20 ],21 "spatial_method": "Spatial Durbin model, k=16 nearest-neighbour weight matrix (GeoDa)",22 "time_fe": false,23 "location_fe": false,24 "se_type": "unknown",25 "n_obs_total": 429,26 "ai_methods": [],27 "notes": "Dependent variable Ln(Y) with Y = unit price in yuan/m2 (log of price per m2). Only Table 9 (SDM) prints coefficients with SE/t/p; Table 8 reports t-statistics and p-values only for CLR/SLX/SLM/SEM/SDM/SDEM/SAC/GNS, so those models could not be extracted. Spatial lags of regressors (W_Ar -0.0016, W_EH -0.0758, W_Ag 0.0109, W_F -0.0058, W_D -0.0080) and rho 0.6902 not extracted. Many location variables enter as inverse distance or quality/distance ratios (x_transform 'other')."28 },29 "models": [30 {31 "model_id": "T9-SDM",32 "table": "9",33 "column": "1",34 "page": 11,35 "dep_var": "Ln unit listing price (yuan/m2)",36 "dep_transform": "log",37 "estimator": "spatial_lag",38 "n_obs": 429,39 "r2": 0.9037,40 "se_or_t_in_parentheses": "none",41 "sample_subset": "Spatial Durbin model (coefficient, SE, t, p in separate columns); R2 from Table 7"42 }43 ],44 "coefficients": [45 {46 "model_id": "T9-SDM",47 "var_name_printed": "Ar",48 "taxonomy_id": "living_area",49 "x_transform": "level",50 "x_unit": "m2",51 "beta": 0.0029,52 "se": 0.0002,53 "t": 13.05,54 "p": 0.0,55 "p_stars": "",56 "ci_lo": null,57 "ci_hi": null,58 "page": 11,59 "confidence": "high",60 "notes": "Building area in m2 (range 40-200)"61 },62 {63 "model_id": "T9-SDM",64 "var_name_printed": "D",65 "taxonomy_id": "condition",66 "x_transform": "other",67 "x_unit": "index",68 "beta": 0.0219,69 "se": 0.0025,70 "t": 8.88,71 "p": 0.0,72 "p_stars": "",73 "ci_lo": null,74 "ci_hi": null,75 "page": 11,76 "confidence": "high",77 "notes": "Decoration/finish level ordinal score: blank 2, simple 4, medium 6, hardcover 8, luxury 10"78 },79 {80 "model_id": "T9-SDM",81 "var_name_printed": "F",82 "taxonomy_id": "floor_level",83 "x_transform": "other",84 "x_unit": "index",85 "beta": 0.0285,86 "se": 0.0048,87 "t": 5.93,88 "p": 0.0,89 "p_stars": "",90 "ci_lo": null,91 "ci_hi": null,92 "page": 11,93 "confidence": "high",94 "notes": "Floor position ordinal score 1-3/4 (high-rise: low 1, middle 3, high 2; low-rise: low 3, medium 2, high 1), not floor number"95 },96 {97 "model_id": "T9-SDM",98 "var_name_printed": "EH",99 "taxonomy_id": "accessibility",100 "x_transform": "level",101 "x_unit": "share",102 "beta": 0.099,103 "se": 0.019,104 "t": 5.22,105 "p": 0.0,106 "p_stars": "",107 "ci_lo": null,108 "ci_hi": null,109 "page": 11,110 "confidence": "high",111 "notes": "Elevators per household on the floor (number of elevators / number of units on the floor), proxy for elevator access"112 },113 {114 "model_id": "T9-SDM",115 "var_name_printed": "Ag",116 "taxonomy_id": "age",117 "x_transform": "level",118 "x_unit": "years",119 "beta": -0.0157,120 "se": 0.001,121 "t": -15.74,122 "p": 0.0,123 "p_stars": "",124 "ci_lo": null,125 "ci_hi": null,126 "page": 11,127 "confidence": "high",128 "notes": "Age = 2022.4.1 minus year built, years"129 },130 {131 "model_id": "T9-SDM",132 "var_name_printed": "B",133 "taxonomy_id": "transit_distance",134 "x_transform": "other",135 "x_unit": "index",136 "beta": 0.0005,137 "se": 0.0002,138 "t": 2.99,139 "p": 0.003,140 "p_stars": "",141 "ci_lo": null,142 "ci_hi": null,143 "page": 11,144 "confidence": "high",145 "notes": "Bus: number of bus routes divided by distance to bus stop (quantity/distance), higher = better access; sign opposite to a distance measure"146 },147 {148 "model_id": "T9-SDM",149 "var_name_printed": "MR",150 "taxonomy_id": "highway_distance",151 "x_transform": "other",152 "x_unit": "index",153 "beta": -0.0037,154 "se": 0.0014,155 "t": -2.68,156 "p": 0.007,157 "p_stars": "",158 "ci_lo": null,159 "ci_hi": null,160 "page": 11,161 "confidence": "high",162 "notes": "Main road: inverse geographical distance (anti-distance); negative sign means closer to main road lowers price"163 },164 {165 "model_id": "T9-SDM",166 "var_name_printed": "SM",167 "taxonomy_id": "commercial_distance",168 "x_transform": "other",169 "x_unit": "index",170 "beta": 0.0035,171 "se": 0.0018,172 "t": 1.98,173 "p": 0.048,174 "p_stars": "",175 "ci_lo": null,176 "ci_hi": null,177 "page": 11,178 "confidence": "high",179 "notes": "Shopping mall: service-capacity score (municipal 3, district 2, street 1) divided by distance"180 },181 {182 "model_id": "T9-SDM",183 "var_name_printed": "CBD",184 "taxonomy_id": "cbd_distance",185 "x_transform": "other",186 "x_unit": "index",187 "beta": 0.4269,188 "se": 0.1393,189 "t": 3.06,190 "p": 0.002,191 "p_stars": "",192 "ci_lo": null,193 "ci_hi": null,194 "page": 11,195 "confidence": "high",196 "notes": "CBD: inverse geographical distance (anti-distance); positive sign means closer to CBD raises price"197 },198 {199 "model_id": "T9-SDM",200 "var_name_printed": "P",201 "taxonomy_id": "green_space",202 "x_transform": "other",203 "x_unit": "index",204 "beta": 0.0048,205 "se": 0.0018,206 "t": 2.61,207 "p": 0.009,208 "p_stars": "",209 "ci_lo": null,210 "ci_hi": null,211 "page": 11,212 "confidence": "high",213 "notes": "Park: inverse geographical distance (anti-distance)"214 }215 ]216}