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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": "Turkey",10  "region_city": "Istanbul (Esenler-Kirazli metro line, 5 stations, European side)",11  "sample_start": 2017,12  "sample_end": 2017,13  "property_type": "condo_apartment",14  "price_type": "listing",15  "data_source": "On-site questionnaire survey of real-estate agents (1 week from 1 April 2017), 665 apartments within 500 m of five Esenler-Kirazli metro stations; selling price in Turkish lira as reported by agents",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": "Linear (level) hedonic model estimated in R/Stata-style output (Table 2, p.6): price_new in TL regressed on 11 attributes; N=665, R2 0.5733, adj R2 0.5662. Price is the asking/selling price stated by agents (price type recorded as listing; not verified transactions). Coefficient for 'size' has an evidently misprinted lower CI bound."27 },28 "models": [29  {30   "model_id": "T2-c1",31   "table": "2",32   "column": "1",33   "page": 6,34   "dep_var": "price_new (selling price of housing unit, Turkish lira)",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": "Apartments within 500 m of 5 Esenler-Kirazli metro stations (control case), 2017 survey"41  }42 ],43 "coefficients": [44  {45   "model_id": "T2-c1",46   "var_name_printed": "air distance",47   "taxonomy_id": "transit_distance",48   "x_transform": "level",49   "x_unit": "m",50   "beta": -53.84791,51   "se": 19.80832,52   "t": -2.72,53   "p": 0.007,54   "p_stars": "",55   "ci_lo": -92.74359,56   "ci_hi": -14.95222,57   "page": 6,58   "confidence": "high",59   "notes": "air (Euclidean) distance to nearest metro station in metres, within 500 m radius; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"60  },61  {62   "model_id": "T2-c1",63   "var_name_printed": "age",64   "taxonomy_id": "age",65   "x_transform": "level",66   "x_unit": "years",67   "beta": -3856.095,68   "se": 241.4267,69   "t": -15.97,70   "p": 0.0,71   "p_stars": "",72   "ci_lo": -4330.161,73   "ci_hi": -3382.029,74   "page": 6,75   "confidence": "high",76   "notes": "age of building in years; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"77  },78  {79   "model_id": "T2-c1",80   "var_name_printed": "size",81   "taxonomy_id": "living_area",82   "x_transform": "level",83   "x_unit": "m2",84   "beta": 612.0502,85   "se": 158.6117,86   "t": 3.86,87   "p": 0.0,88   "p_stars": "",89   "ci_lo": null,90   "ci_hi": 923.5007,91   "page": 6,92   "confidence": "medium",93   "notes": "floor area in m2; printed lower CI bound (8,559.484) is a typesetting error duplicating the 'rooms' value, so ci_lo not recorded; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"94  },95  {96   "model_id": "T2-c1",97   "var_name_printed": "rooms",98   "taxonomy_id": "bedrooms",99   "x_transform": "level",100   "x_unit": "count",101   "beta": 18641.78,102   "se": 5134.587,103   "t": 3.63,104   "p": 0.0,105   "p_stars": "",106   "ci_lo": 8559.484,107   "ci_hi": 28724.07,108   "page": 6,109   "confidence": "high",110   "notes": "number of rooms in the housing unit; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"111  },112  {113   "model_id": "T2-c1",114   "var_name_printed": "baths",115   "taxonomy_id": "bathrooms",116   "x_transform": "level",117   "x_unit": "count",118   "beta": 23672.19,119   "se": 6665.66,120   "t": 3.55,121   "p": 0.0,122   "p_stars": "",123   "ci_lo": 10583.47,124   "ci_hi": 36760.9,125   "page": 6,126   "confidence": "high",127   "notes": "number of bathrooms; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"128  },129  {130   "model_id": "T2-c1",131   "var_name_printed": "alaturka",132   "taxonomy_id": "other",133   "x_transform": "dummy",134   "x_unit": "binary",135   "beta": 14625.76,136   "se": 4799.835,137   "t": 3.05,138   "p": 0.002,139   "p_stars": "",140   "ci_lo": 5200.786,141   "ci_hi": 24050.73,142   "page": 6,143   "confidence": "high",144   "notes": "1 if the unit has an alaturka (squat) toilet; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"145  },146  {147   "model_id": "T2-c1",148   "var_name_printed": "corner",149   "taxonomy_id": "other",150   "x_transform": "dummy",151   "x_unit": "binary",152   "beta": -25102.66,153   "se": 10815.1,154   "t": -2.32,155   "p": 0.021,156   "p_stars": "",157   "ci_lo": -46339.24,158   "ci_hi": -3866.091,159   "page": 6,160   "confidence": "high",161   "notes": "1 if building located at a corner (dual facade); Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"162  },163  {164   "model_id": "T2-c1",165   "var_name_printed": "south",166   "taxonomy_id": "sunlight",167   "x_transform": "dummy",168   "x_unit": "binary",169   "beta": -22210.63,170   "se": 10416.01,171   "t": -2.13,172   "p": 0.033,173   "p_stars": "",174   "ci_lo": -42663.55,175   "ci_hi": -1757.709,176   "page": 6,177   "confidence": "high",178   "notes": "1 if unit has a south facade; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"179  },180  {181   "model_id": "T2-c1",182   "var_name_printed": "west",183   "taxonomy_id": "sunlight",184   "x_transform": "dummy",185   "x_unit": "binary",186   "beta": -20810.5,187   "se": 11364.87,188   "t": -1.83,189   "p": 0.068,190   "p_stars": "",191   "ci_lo": -43126.59,192   "ci_hi": 1505.596,193   "page": 6,194   "confidence": "high",195   "notes": "1 if unit has a west facade; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"196  },197  {198   "model_id": "T2-c1",199   "var_name_printed": "north",200   "taxonomy_id": "sunlight",201   "x_transform": "dummy",202   "x_unit": "binary",203   "beta": -19716.2,204   "se": 14065.37,205   "t": -1.4,206   "p": 0.161,207   "p_stars": "",208   "ci_lo": -47335.01,209   "ci_hi": 7902.614,210   "page": 6,211   "confidence": "high",212   "notes": "1 if unit has a north facade; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"213  },214  {215   "model_id": "T2-c1",216   "var_name_printed": "elevator",217   "taxonomy_id": "accessibility",218   "x_transform": "dummy",219   "x_unit": "binary",220   "beta": 22008.68,221   "se": 4815.631,222   "t": 4.57,223   "p": 0.0,224   "p_stars": "",225   "ci_lo": 12552.69,226   "ci_hi": 31464.67,227   "page": 6,228   "confidence": "high",229   "notes": "1 if building has an elevator; Stata-style output: Coef., Std. Err., t, P>|t|, 95% CI; dependent variable in Turkish lira levels"230  }231 ]232}