{
 "record_id": "96e0ec640b350c1ec477b4a65c34f99c77d53503",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Identifying Determinants of Residential Property Values in South London",
  "year": 2011,
  "doi": "10.2478/v10135-011-0004-0",
  "country": "United Kingdom",
  "region_city": "Welling (DA16), Bexley, South London",
  "sample_start": 2000,
  "sample_end": 2009,
  "property_type": "mixed",
  "price_type": "transaction",
  "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",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "OLS",
  "n_obs_total": 1251,
  "ai_methods": [],
  "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."
 },
 "models": [
  {
   "model_id": "T1-c1",
   "table": "1",
   "column": "1",
   "page": 5,
   "dep_var": "LnP: natural log of sold house price (Land Registry via Nethouseprices), indexed to 2009Q1 with Nationwide Greater London index",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 1251,
   "r2": 0.44,
   "se_or_t_in_parentheses": "t",
   "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"
  }
 ],
 "coefficients": [
  {
   "model_id": "T1-c1",
   "var_name_printed": "Terraced",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary (terraced house, reference detached)",
   "beta": -0.12,
   "se": null,
   "t": -4.63,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Property type dummy; reference category detached"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Semi-detached",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary (semi-detached, reference detached)",
   "beta": -0.08,
   "se": null,
   "t": -3.48,
   "p": 0.005,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Property type dummy; reference category detached"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Leasehold",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary (leasehold tenure vs freehold)",
   "beta": -0.19,
   "se": null,
   "t": -2.22,
   "p": 0.027,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Tenure dummy; taxonomy other"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "Flat",
   "taxonomy_id": "dwelling_type",
   "x_transform": "binary",
   "x_unit": "binary (flat, reference detached)",
   "beta": -0.33,
   "se": null,
   "t": null,
   "p": 0.002,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "medium",
   "notes": "Property type dummy; t-statistic printed as '-373' (typo, presumably -3.73), not recorded"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDCL",
   "taxonomy_id": "hazard_site",
   "x_transform": "log",
   "x_unit": "m (ln distance to centre line of high-voltage overhead transmission line)",
   "beta": 0.03,
   "se": null,
   "t": 3.63,
   "p": 0.003,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Elasticity of price w.r.t. distance to HVOTL centre line (positive = closer to line lowers value)"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDPK",
   "taxonomy_id": "green_space",
   "x_transform": "log",
   "x_unit": "m (ln distance to public park)",
   "beta": 1.08,
   "se": null,
   "t": 5.98,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "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)"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDRA",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "m (ln distance to railway lines)",
   "beta": 0.87,
   "se": null,
   "t": 5.53,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Distance to railway lines (track, a disamenity), not to a station; main effect, also in interactions; taxonomy other"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDWS",
   "taxonomy_id": "transit_distance",
   "x_transform": "log",
   "x_unit": "m (ln distance to Welling railway station)",
   "beta": -0.89,
   "se": null,
   "t": -7.77,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Main effect of ln distance to Welling station; interacts with LnDPY (full elasticity = -0.89 + 0.11 LnDPY)"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDRA*LnDPY",
   "taxonomy_id": "hazard_site",
   "x_transform": "other",
   "x_unit": "ln m x ln m (distance to railway x distance to nearest pylon)",
   "beta": -0.05,
   "se": null,
   "t": -5.37,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Interaction term; LnDPY (distance to pylon) has no separate main effect in Table 1"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDRA*LnDPK",
   "taxonomy_id": "green_space",
   "x_transform": "other",
   "x_unit": "ln m x ln m (distance to railway x distance to park)",
   "beta": -0.09,
   "se": null,
   "t": -4.99,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Interaction term"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDWS*LnDPY",
   "taxonomy_id": "transit_distance",
   "x_transform": "other",
   "x_unit": "ln m x ln m (distance to station x distance to pylon)",
   "beta": 0.11,
   "se": null,
   "t": 6.19,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Interaction term"
  },
  {
   "model_id": "T1-c1",
   "var_name_printed": "LnDPY*LnDPK",
   "taxonomy_id": "hazard_site",
   "x_transform": "other",
   "x_unit": "ln m x ln m (distance to pylon x distance to park)",
   "beta": -0.08,
   "se": null,
   "t": -6.1,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 5,
   "confidence": "high",
   "notes": "Interaction term"
  }
 ]
}