1{2 "record_id": "96e0ec640b350c1ec477b4a65c34f99c77d53503",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Identifying Determinants of Residential Property Values in South London",7 "year": 2011,8 "doi": "10.2478/v10135-011-0004-0",9 "country": "United Kingdom",10 "region_city": "Welling (DA16), Bexley, South London",11 "sample_start": 2000,12 "sample_end": 2009,13 "property_type": "mixed",14 "price_type": "transaction",15 "data_source": "1,251 Land Registry sold prices (Nethouseprices) April 2000-2009 in a 1.15 km2 area of Welling, indexed to 2009Q1 (Nationwide index); distances measured with Edina Digimap",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": 1251,25 "ai_methods": [],26 "notes": "Review of Economic Perspectives 11(1). Log-log hedonic model (LSDV) with cross-elasticity interaction terms between distance variables; Table 1 reports coefficient, t-statistic and p-value (no SE). Prices indexed to 2009Q1 rather than time dummies. Heteroscedasticity rejected at 10% but not 5% (authors advise caution). Housing stock largely 1930s, homogeneous."27 },28 "models": [29 {30 "model_id": "T1-c1",31 "table": "1",32 "column": "1",33 "page": 5,34 "dep_var": "LnP: natural log of sold house price (Land Registry via Nethouseprices), indexed to 2009Q1 with Nationwide Greater London index",35 "dep_transform": "log",36 "estimator": "OLS",37 "n_obs": 1251,38 "r2": 0.44,39 "se_or_t_in_parentheses": "t",40 "sample_subset": "Single LSDV regression (eq. 1); t-statistic and p-value in separate columns; R2 is adjusted; S.E. of regression 0.17; N = 1,251 sold houses (Goldfeld-Quandt subsamples of 469 each); plot/house over-sail and plot-tower dummies in eq. 1 not reported in Table 1"41 }42 ],43 "coefficients": [44 {45 "model_id": "T1-c1",46 "var_name_printed": "Terraced",47 "taxonomy_id": "dwelling_type",48 "x_transform": "binary",49 "x_unit": "binary (terraced house, reference detached)",50 "beta": -0.12,51 "se": null,52 "t": -4.63,53 "p": 0.0,54 "p_stars": "",55 "ci_lo": null,56 "ci_hi": null,57 "page": 5,58 "confidence": "high",59 "notes": "Property type dummy; reference category detached"60 },61 {62 "model_id": "T1-c1",63 "var_name_printed": "Semi-detached",64 "taxonomy_id": "dwelling_type",65 "x_transform": "binary",66 "x_unit": "binary (semi-detached, reference detached)",67 "beta": -0.08,68 "se": null,69 "t": -3.48,70 "p": 0.005,71 "p_stars": "",72 "ci_lo": null,73 "ci_hi": null,74 "page": 5,75 "confidence": "high",76 "notes": "Property type dummy; reference category detached"77 },78 {79 "model_id": "T1-c1",80 "var_name_printed": "Leasehold",81 "taxonomy_id": "other",82 "x_transform": "binary",83 "x_unit": "binary (leasehold tenure vs freehold)",84 "beta": -0.19,85 "se": null,86 "t": -2.22,87 "p": 0.027,88 "p_stars": "",89 "ci_lo": null,90 "ci_hi": null,91 "page": 5,92 "confidence": "high",93 "notes": "Tenure dummy; taxonomy other"94 },95 {96 "model_id": "T1-c1",97 "var_name_printed": "Flat",98 "taxonomy_id": "dwelling_type",99 "x_transform": "binary",100 "x_unit": "binary (flat, reference detached)",101 "beta": -0.33,102 "se": null,103 "t": null,104 "p": 0.002,105 "p_stars": "",106 "ci_lo": null,107 "ci_hi": null,108 "page": 5,109 "confidence": "medium",110 "notes": "Property type dummy; t-statistic printed as '-373' (typo, presumably -3.73), not recorded"111 },112 {113 "model_id": "T1-c1",114 "var_name_printed": "LnDCL",115 "taxonomy_id": "hazard_site",116 "x_transform": "log",117 "x_unit": "m (ln distance to centre line of high-voltage overhead transmission line)",118 "beta": 0.03,119 "se": null,120 "t": 3.63,121 "p": 0.003,122 "p_stars": "",123 "ci_lo": null,124 "ci_hi": null,125 "page": 5,126 "confidence": "high",127 "notes": "Elasticity of price w.r.t. distance to HVOTL centre line (positive = closer to line lowers value)"128 },129 {130 "model_id": "T1-c1",131 "var_name_printed": "LnDPK",132 "taxonomy_id": "green_space",133 "x_transform": "log",134 "x_unit": "m (ln distance to public park)",135 "beta": 1.08,136 "se": null,137 "t": 5.98,138 "p": 0.0,139 "p_stars": "",140 "ci_lo": null,141 "ci_hi": null,142 "page": 5,143 "confidence": "high",144 "notes": "Main effect of ln distance to public park; enters interactions with LnDRA and LnDPY (full elasticity = 1.08 - 0.09 LnDRA - 0.08 LnDPY)"145 },146 {147 "model_id": "T1-c1",148 "var_name_printed": "LnDRA",149 "taxonomy_id": "other",150 "x_transform": "log",151 "x_unit": "m (ln distance to railway lines)",152 "beta": 0.87,153 "se": null,154 "t": 5.53,155 "p": 0.0,156 "p_stars": "",157 "ci_lo": null,158 "ci_hi": null,159 "page": 5,160 "confidence": "high",161 "notes": "Distance to railway lines (track, a disamenity), not to a station; main effect, also in interactions; taxonomy other"162 },163 {164 "model_id": "T1-c1",165 "var_name_printed": "LnDWS",166 "taxonomy_id": "transit_distance",167 "x_transform": "log",168 "x_unit": "m (ln distance to Welling railway station)",169 "beta": -0.89,170 "se": null,171 "t": -7.77,172 "p": 0.0,173 "p_stars": "",174 "ci_lo": null,175 "ci_hi": null,176 "page": 5,177 "confidence": "high",178 "notes": "Main effect of ln distance to Welling station; interacts with LnDPY (full elasticity = -0.89 + 0.11 LnDPY)"179 },180 {181 "model_id": "T1-c1",182 "var_name_printed": "LnDRA*LnDPY",183 "taxonomy_id": "hazard_site",184 "x_transform": "other",185 "x_unit": "ln m x ln m (distance to railway x distance to nearest pylon)",186 "beta": -0.05,187 "se": null,188 "t": -5.37,189 "p": 0.0,190 "p_stars": "",191 "ci_lo": null,192 "ci_hi": null,193 "page": 5,194 "confidence": "high",195 "notes": "Interaction term; LnDPY (distance to pylon) has no separate main effect in Table 1"196 },197 {198 "model_id": "T1-c1",199 "var_name_printed": "LnDRA*LnDPK",200 "taxonomy_id": "green_space",201 "x_transform": "other",202 "x_unit": "ln m x ln m (distance to railway x distance to park)",203 "beta": -0.09,204 "se": null,205 "t": -4.99,206 "p": 0.0,207 "p_stars": "",208 "ci_lo": null,209 "ci_hi": null,210 "page": 5,211 "confidence": "high",212 "notes": "Interaction term"213 },214 {215 "model_id": "T1-c1",216 "var_name_printed": "LnDWS*LnDPY",217 "taxonomy_id": "transit_distance",218 "x_transform": "other",219 "x_unit": "ln m x ln m (distance to station x distance to pylon)",220 "beta": 0.11,221 "se": null,222 "t": 6.19,223 "p": 0.0,224 "p_stars": "",225 "ci_lo": null,226 "ci_hi": null,227 "page": 5,228 "confidence": "high",229 "notes": "Interaction term"230 },231 {232 "model_id": "T1-c1",233 "var_name_printed": "LnDPY*LnDPK",234 "taxonomy_id": "hazard_site",235 "x_transform": "other",236 "x_unit": "ln m x ln m (distance to pylon x distance to park)",237 "beta": -0.08,238 "se": null,239 "t": -6.1,240 "p": 0.0,241 "p_stars": "",242 "ci_lo": null,243 "ci_hi": null,244 "page": 5,245 "confidence": "high",246 "notes": "Interaction term"247 }248 ]249}