{
 "record_id": "008c3229443d60b36b8e1525b5af0589f63eb75d",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Real Estate Prices in Beijing, 1644 to 1840",
  "year": 2012,
  "doi": "10.1016/j.eeh.2012.10.003",
  "country": "China",
  "region_city": "Beijing",
  "sample_start": 1644,
  "sample_end": 1840,
  "property_type": "mixed",
  "price_type": "transaction",
  "data_source": "498 surviving archival house sale contracts, Qing dynasty Beijing",
  "document_type": "working_paper",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none (location dummies)",
  "time_fe": true,
  "location_fe": false,
  "se_type": "unknown",
  "n_obs_total": 498,
  "ai_methods": [],
  "notes": "Historical hedonic study (pre-modern); PDF is the working-paper version (published in Explorations in Economic History 2013). Mostly residential estates with a dummy for commercial estates. Dependent variable is log transaction price (currency unit of Qing silver not stated in table). Period dummies (8 x 25 years) not extracted. Star legend *** p<0.01, ** p<0.05, * p<0.1."
 },
 "models": [
  {
   "model_id": "T7-c1",
   "table": "7",
   "column": "1",
   "page": 35,
   "dep_var": "log price of transacted estate",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 498,
   "r2": 0.522,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "All available contracts (Inner and Outer City); 8 period dummies (25-year periods) included, not reported"
  },
  {
   "model_id": "T7-c2",
   "table": "7",
   "column": "2",
   "page": 35,
   "dep_var": "log price of transacted estate",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 331,
   "r2": 0.583,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "Outer City contracts only; 8 period dummies (25-year periods) included, not reported"
  },
  {
   "model_id": "T7-c3",
   "table": "7",
   "column": "3",
   "page": 35,
   "dep_var": "log price of transacted estate",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 488,
   "r2": 0.513,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "All contracts, outliers (room number > 100 or = 1) dropped; 8 period dummies (25-year periods) included, not reported"
  },
  {
   "model_id": "T7-c4",
   "table": "7",
   "column": "4",
   "page": 35,
   "dep_var": "log price of transacted estate",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 325,
   "r2": 0.583,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "Outer City only, outliers dropped; 8 period dummies (25-year periods) included, not reported"
  }
 ],
 "coefficients": [
  {
   "model_id": "T7-c1",
   "var_name_printed": "No. of rooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0499,
   "se": 0.0029,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "No. of rooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0502,
   "se": 0.0035,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "No. of rooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0626,
   "se": 0.0039,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "No. of rooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0682,
   "se": 0.0052,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Total number of rooms (jian) of the estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "No. of Courtyards",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.32,
   "se": 0.0454,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "No. of Courtyards",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.33,
   "se": 0.0471,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "No. of Courtyards",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.269,
   "se": 0.0459,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "No. of Courtyards",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.254,
   "se": 0.0484,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Number of courtyards (size measure specific to Beijing courtyard houses); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Red contract",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.079,
   "se": 0.0948,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Red contract",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.0958,
   "se": 0.121,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Red contract",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.0242,
   "se": 0.094,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Red contract",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.105,
   "se": 0.117,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Officially registered (red) vs unregistered (white) contract; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Close to commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.261,
   "se": 0.0851,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Close to commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.264,
   "se": 0.0944,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Close to commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.245,
   "se": 0.0842,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Close to commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.216,
   "se": 0.0917,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Far from commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.318,
   "se": 0.127,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Far from commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.853,
   "se": 0.215,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Far from commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.278,
   "se": 0.128,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Far from commercial center",
   "taxonomy_id": "commercial_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.817,
   "se": 0.216,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Reference: inside commercial district; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Forbidden city",
   "taxonomy_id": "cbd_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0142,
   "se": 0.156,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Adjacent to Forbidden City (political centre); reference: elsewhere in Inner City; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Forbidden city",
   "taxonomy_id": "cbd_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0428,
   "se": 0.154,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Adjacent to Forbidden City (political centre); reference: elsewhere in Inner City; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Outer city",
   "taxonomy_id": "cbd_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.302,
   "se": 0.107,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Located in Outer City (vs Inner City); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Outer city",
   "taxonomy_id": "cbd_distance",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.22,
   "se": 0.108,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Located in Outer City (vs Inner City); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Clay material",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.675,
   "se": 0.204,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Clay material",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.679,
   "se": 0.257,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Clay material",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.473,
   "se": 0.21,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Clay material",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.466,
   "se": 0.258,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Built with clay (vs brick and tile); parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Commercial estate",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.235,
   "se": 0.111,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Commercial estate",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.151,
   "se": 0.15,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Commercial estate",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.276,
   "se": 0.11,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Commercial estate",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.206,
   "se": 0.147,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Commercial vs residential estate; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Broken",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.333,
   "se": 0.143,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Broken",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.291,
   "se": 0.186,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Broken",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.391,
   "se": 0.14,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Broken",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.325,
   "se": 0.18,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Property in poor repair; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "Having a well",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.756,
   "se": 0.271,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "Having a well",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.64,
   "se": 0.335,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "Having a well",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.507,
   "se": 0.269,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "Having a well",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.354,
   "se": 0.328,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 35,
   "confidence": "medium",
   "notes": "Presence of a water well; parentheses assumed standard errors (no explicit legend; consistent with star pattern)"
  }
 ]
}