{
 "record_id": "baaee624057dd67c85185a4177e6d00e5b13c4a2",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "The Hedonic Pricing Model Applied to the Housing Market",
  "year": 2020,
  "doi": "10.35808/ijeba/526",
  "country": "Vietnam",
  "region_city": "Ho Chi Minh City and Ha Noi",
  "sample_start": 2019,
  "sample_end": 2019,
  "property_type": "single_family",
  "price_type": "transaction",
  "data_source": "Author survey of 205 houses in housing projects successfully traded in Ho Chi Minh City and Ha Noi in the first six months of 2019",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "robust",
  "n_obs_total": 205,
  "ai_methods": [],
  "notes": "Dependent variable PRICE = house price per square metre (currency unit not stated; constant 17.093 suggests million VND per m2) in levels. Single OLS model with White heteroskedasticity-robust statistics (Table 4, p.8): coefficients and p-values only (no SE or t printed; se recorded null, p recorded). Stars: ** 5%, *** 1%. Property type: houses in housing projects (garden dummy, pool) -- treated as single_family. City dummy not included."
 },
 "models": [
  {
   "model_id": "T4-c1",
   "table": "4",
   "column": "1",
   "page": 8,
   "dep_var": "house price per square metre (PRICE)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 205,
   "r2": 0.8559,
   "se_or_t_in_parentheses": "p",
   "sample_subset": "All 205 surveyed houses; OLS with White-robust inference; F(8,196)=276.08"
  }
 ],
 "coefficients": [
  {
   "model_id": "T4-c1",
   "var_name_printed": "SIZE",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": 0.001,
   "se": null,
   "t": null,
   "p": 0.023,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "House size in square metres; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "BEDROOMS",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.065,
   "se": null,
   "t": null,
   "p": 0.0,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Number of bedrooms; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "BATHROOMS",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.003,
   "se": null,
   "t": null,
   "p": 0.64,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Number of bathrooms; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "CENTER",
   "taxonomy_id": "cbd_distance",
   "x_transform": "level",
   "x_unit": "km",
   "beta": -0.02,
   "se": null,
   "t": null,
   "p": 0.0,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Distance to the city centre in kilometres; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "TYPE",
   "taxonomy_id": "garden",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.048,
   "se": null,
   "t": null,
   "p": 0.036,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 if the house has a garden; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "POOL",
   "taxonomy_id": "pool",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.002,
   "se": null,
   "t": null,
   "p": 0.709,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 if the house has amenities such as a hot-tub and/or swimming pool; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "PARK",
   "taxonomy_id": "neighbourhood_amenities",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.187,
   "se": null,
   "t": null,
   "p": 0.0,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 if local amenities (parks, squares, schools or shopping malls) nearby; p-value column P>|z|; no SE printed"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "STRUCTURE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.05,
   "se": null,
   "t": null,
   "p": 0.0,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "1 if the structure is new and modern; p-value column P>|z|; no SE printed"
  }
 ]
}