{
 "record_id": "617738a89ff272112e6f8804b981aa1981f5a232",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Semi-Parametric Interpolations of Residential Location Values: Using Housing Price Data to Generate Balanced Panels",
  "year": 2014,
  "doi": "10.20955/wp.2014.050",
  "country": "United States",
  "region_city": "Denver metropolitan area, Colorado (Adams, Denver, Douglas, Arapahoe, Jefferson counties)",
  "sample_start": 2003,
  "sample_end": 2010,
  "property_type": "single_family",
  "price_type": "transaction",
  "data_source": "Denver single-family home sales 2003-2010 (326,744 sales)",
  "document_type": "working_paper",
  "estimators": [
   "OLS",
   "other"
  ],
  "spatial_method": "OLS with quadratic latitude/longitude polynomial and county dummies; Robinson's semi-parametric method (local polynomial regression on location)",
  "time_fe": true,
  "location_fe": true,
  "se_type": "unknown",
  "n_obs_total": 326744,
  "ai_methods": [],
  "notes": "Federal Reserve Bank of St. Louis WP 2014-050A. Table 2 (p. 40 of PDF, printed p. 40): dependent variable log sale price; two columns: OLS (with year dummies, county dummies, lat/lon quadratic) and Robinson's method (partially linear model, location non-parametric; year dummies and location polynomial not reported). T-values and p-values printed in separate columns (SE not printed). Year dummies, county dummies, latitude/longitude terms and Table 4 (GMM land-value panel on airport capital stocks) not extracted. Age squared extracted with x_transform 'squared'. SE type not stated. R2 0.591 for OLS; no fit printed for Robinson's column."
 },
 "models": [
  {
   "model_id": "T2-c1",
   "table": "2",
   "column": "1",
   "page": 42,
   "dep_var": "log sale price",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 326744,
   "r2": 0.591,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Full sample; year dummies (2010 omitted), county dummies, lat/lon quadratic included; t and p in separate columns"
  },
  {
   "model_id": "T2-c2",
   "table": "2",
   "column": "2",
   "page": 42,
   "dep_var": "log sale price",
   "dep_transform": "log",
   "estimator": "other",
   "n_obs": 326744,
   "r2": null,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Robinson's semi-parametric (partially linear) method, location handled non-parametrically; county dummies included; t and p in separate columns"
  }
 ],
 "coefficients": [
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   "model_id": "T2-c1",
   "var_name_printed": "No of Bedrooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.014671,
   "se": null,
   "t": 15.866329,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "No of Bedrooms",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.017519,
   "se": null,
   "t": 19.144798,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "No of Full Baths",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count (full bathrooms)",
   "beta": 0.164688,
   "se": null,
   "t": 152.781209,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "No of Full Baths",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count (full bathrooms)",
   "beta": 0.146963,
   "se": null,
   "t": 136.717485,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "No of Half Baths",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count (half bathrooms)",
   "beta": 0.151836,
   "se": null,
   "t": 91.099069,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "No of Half Baths",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count (half bathrooms)",
   "beta": 0.132745,
   "se": null,
   "t": 79.822351,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "No of Fireplaces",
   "taxonomy_id": "fireplace",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.170455,
   "se": null,
   "t": 161.09964,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "No of Fireplaces",
   "taxonomy_id": "fireplace",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.145072,
   "se": null,
   "t": 137.00185,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Garage Dummy",
   "taxonomy_id": "garage",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.170616,
   "se": null,
   "t": 71.760975,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Garage Dummy",
   "taxonomy_id": "garage",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.170824,
   "se": null,
   "t": 72.495021,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Basement Dummy",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.138199,
   "se": null,
   "t": 80.941398,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Basement Dummy",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.128803,
   "se": null,
   "t": 75.68174,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Stories Dummy",
   "taxonomy_id": "storeys",
   "x_transform": "binary",
   "x_unit": "binary (multi-storey dummy; definition not printed)",
   "beta": 0.014131,
   "se": null,
   "t": 8.167266,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Dummy for number of stories (mean 0.48); exact definition not printed; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Stories Dummy",
   "taxonomy_id": "storeys",
   "x_transform": "binary",
   "x_unit": "binary (multi-storey dummy; definition not printed)",
   "beta": 0.026279,
   "se": null,
   "t": 15.247442,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Dummy for number of stories (mean 0.48); exact definition not printed; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.014724,
   "se": null,
   "t": -160.94147,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Enters with Age Squared; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Age",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.01629,
   "se": null,
   "t": -164.96856,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Enters with Age Squared; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Age Squared",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.000122,
   "se": null,
   "t": 156.98142,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Quadratic term of age; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Age Squared",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.000126,
   "se": null,
   "t": 151.223767,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Quadratic term of age; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Land Sq Feet (Log)",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.183304,
   "se": null,
   "t": 159.507617,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Log of land square feet; Robinson column printed as .235341; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  },
  {
   "model_id": "T2-c2",
   "var_name_printed": "Land Sq Feet (Log)",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.235341,
   "se": null,
   "t": 196.40403,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 42,
   "confidence": "high",
   "notes": "Log of land square feet; Robinson column printed as .235341; t-value and p-value printed in separate columns; p printed as 0.00; no stars used"
  }
 ]
}