1{2 "record_id": "5bed224cb10ce261eda55857ae903598b9f96697",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Investigation of the impact of railways on housing values; the case of Istanbul, Turkey",7 "year": 2019,8 "doi": "10.2495/tdi-v3-n4-295-305",9 "country": "Türkiye",10 "region_city": "Istanbul (Esenler-Kirazli metro corridor, 5 stations, 500 m radius)",11 "sample_start": 2017,12 "sample_end": 2017,13 "property_type": "condo_apartment",14 "price_type": "listing",15 "data_source": "questionnaire survey of real estate agents around 5 metro stations, 1-7 April 2017 (665 apartments); distances from Google Earth",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": 665,25 "ai_methods": [],26 "notes": "Int. J. Transport Development and Integration 3(4):295-305. Dependent variable price_new = selling price of apartment in Turkish Lira in levels (agent-reported via questionnaire; treated as listing/agent price). Coefficients are monetary marginal prices in TL. R2 0.5733, adj. R2 0.5662, F(11,653)=79.77, Root MSE 46008."27 },28 "models": [29 {30 "model_id": "T2-c1",31 "table": "2",32 "column": "Coef.",33 "page": 6,34 "dep_var": "price_new (apartment selling price, TL)",35 "dep_transform": "level",36 "estimator": "OLS",37 "n_obs": 665,38 "r2": 0.5733,39 "se_or_t_in_parentheses": "se",40 "sample_subset": "665 apartments within 500 m of 5 Esenler-Kirazli metro stations",41 "notes": "Stata regress output with Coef., Std. Err., t, P>|t|, 95% CI. Adj. R2 0.5662."42 }43 ],44 "coefficients": [45 {46 "model_id": "T2-c1",47 "var_name_printed": "air distance",48 "taxonomy_id": "transit_distance",49 "x_transform": "level",50 "x_unit": "m",51 "beta": -53.84791,52 "se": 19.80832,53 "t": -2.72,54 "p": 0.007,55 "p_stars": "",56 "ci_lo": -92.74359,57 "ci_hi": -14.95222,58 "page": 6,59 "confidence": "high",60 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. air (straight-line) distance to nearest metro station in metres (Esenler-Kirazli line, 500 m radius)"61 },62 {63 "model_id": "T2-c1",64 "var_name_printed": "age",65 "taxonomy_id": "age",66 "x_transform": "level",67 "x_unit": "years",68 "beta": -3856.095,69 "se": 241.4267,70 "t": -15.97,71 "p": 0.0,72 "p_stars": "",73 "ci_lo": -4330.161,74 "ci_hi": -3382.029,75 "page": 6,76 "confidence": "high",77 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. age of building (years)"78 },79 {80 "model_id": "T2-c1",81 "var_name_printed": "size",82 "taxonomy_id": "living_area",83 "x_transform": "level",84 "x_unit": "m2",85 "beta": 612.0502,86 "se": 158.6117,87 "t": 3.86,88 "p": 0.0,89 "p_stars": "",90 "ci_lo": 8559.484,91 "ci_hi": 923.5007,92 "page": 6,93 "confidence": "medium",94 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. floor area (m2); printed lower 95% CI bound 8,559.484 is inconsistent with coefficient/SE (apparent typo, duplicates the 'rooms' lower bound) - recorded as printed"95 },96 {97 "model_id": "T2-c1",98 "var_name_printed": "rooms",99 "taxonomy_id": "bedrooms",100 "x_transform": "level",101 "x_unit": "count",102 "beta": 18641.78,103 "se": 5134.587,104 "t": 3.63,105 "p": 0.0,106 "p_stars": "",107 "ci_lo": 8559.484,108 "ci_hi": 28724.07,109 "page": 6,110 "confidence": "high",111 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. number of rooms"112 },113 {114 "model_id": "T2-c1",115 "var_name_printed": "baths",116 "taxonomy_id": "bathrooms",117 "x_transform": "level",118 "x_unit": "count",119 "beta": 23672.19,120 "se": 6665.66,121 "t": 3.55,122 "p": 0.0,123 "p_stars": "",124 "ci_lo": 10583.47,125 "ci_hi": 36760.9,126 "page": 6,127 "confidence": "high",128 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. number of bathrooms"129 },130 {131 "model_id": "T2-c1",132 "var_name_printed": "alaturka",133 "taxonomy_id": "bathroom_quality",134 "x_transform": "binary",135 "x_unit": "binary",136 "beta": 14625.76,137 "se": 4799.835,138 "t": 3.05,139 "p": 0.002,140 "p_stars": "",141 "ci_lo": 5200.786,142 "ci_hi": 24050.73,143 "page": 6,144 "confidence": "high",145 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. 1 = alaturka (squat) type toilet present"146 },147 {148 "model_id": "T2-c1",149 "var_name_printed": "corner",150 "taxonomy_id": null,151 "x_transform": "binary",152 "x_unit": "binary",153 "beta": -25102.66,154 "se": 10815.1,155 "t": -2.32,156 "p": 0.021,157 "p_stars": "",158 "ci_lo": -46339.24,159 "ci_hi": -3866.091,160 "page": 6,161 "confidence": "high",162 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. 1 = building located at a corner (dual facade); no taxonomy leaf"163 },164 {165 "model_id": "T2-c1",166 "var_name_printed": "south",167 "taxonomy_id": "sunlight",168 "x_transform": "binary",169 "x_unit": "binary",170 "beta": -22210.63,171 "se": 10416.01,172 "t": -2.13,173 "p": 0.033,174 "p_stars": "",175 "ci_lo": -42663.55,176 "ci_hi": -1757.709,177 "page": 6,178 "confidence": "high",179 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. 1 = south facade"180 },181 {182 "model_id": "T2-c1",183 "var_name_printed": "west",184 "taxonomy_id": "sunlight",185 "x_transform": "binary",186 "x_unit": "binary",187 "beta": -20810.5,188 "se": 11364.87,189 "t": -1.83,190 "p": 0.068,191 "p_stars": "",192 "ci_lo": -43126.59,193 "ci_hi": 1505.596,194 "page": 6,195 "confidence": "high",196 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. 1 = west facade"197 },198 {199 "model_id": "T2-c1",200 "var_name_printed": "north",201 "taxonomy_id": "sunlight",202 "x_transform": "binary",203 "x_unit": "binary",204 "beta": -19716.2,205 "se": 14065.37,206 "t": -1.4,207 "p": 0.161,208 "p_stars": "",209 "ci_lo": -47335.01,210 "ci_hi": 7902.614,211 "page": 6,212 "confidence": "high",213 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. 1 = north facade"214 },215 {216 "model_id": "T2-c1",217 "var_name_printed": "elevator",218 "taxonomy_id": "accessibility",219 "x_transform": "binary",220 "x_unit": "binary",221 "beta": 22008.68,222 "se": 4815.631,223 "t": 4.57,224 "p": 0.0,225 "p_stars": "",226 "ci_lo": 12552.69,227 "ci_hi": 31464.67,228 "page": 6,229 "confidence": "high",230 "notes": "Stata output: Coef., Std. Err., t, P>|t|, 95% CI. 1 = elevator in building"231 }232 ]233}