{
 "record_id": "c5910ffe5f4e46ed4d95f8ada01d97feb8173ca6",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Research on the Influencing Factors of House Prices in Chicago",
  "year": 2024,
  "doi": "10.62051/1jq1vs36",
  "country": "United States",
  "region_city": "Chicago suburbs, Illinois",
  "sample_start": null,
  "sample_end": null,
  "property_type": "single_family",
  "price_type": "transaction",
  "data_source": "Publicly accessible dataset of suburban Chicago house prices (source and vintage not identified)",
  "document_type": "conference",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "none",
  "time_fe": false,
  "location_fe": false,
  "se_type": "OLS",
  "n_obs_total": null,
  "ai_methods": [],
  "notes": "Transactions on Economics, Business and Management Research vol. 10 (MEEA 2024), student conference paper. Number of observations, sample period and data vintage are not printed (implied n of roughly 125 from F and adjusted R2 - not recorded). Dependent variable is price in thousands of USD (inferred). Polynomial/interaction model mentioned in introduction is not tabulated. Low study quality; recommend quality-tier flag."
 },
 "models": [
  {
   "model_id": "T2-c1",
   "table": "2",
   "column": "1",
   "page": 5,
   "dep_var": "House price (level; text/Figure 1 indicate thousands of USD)",
   "dep_transform": "level",
   "estimator": "OLS",
   "n_obs": null,
   "r2": 0.732,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "Full sample, suburban Chicago public dataset; adjusted R2 0.714, F = 39.70; missing values imputed with medians; SE, t, p and 95% CI printed in columns"
  }
 ],
 "coefficients": [
  {
   "model_id": "T2-c1",
   "var_name_printed": "Bedroom",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": -3.358,
   "se": 0.868,
   "t": -3.869,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": -5.077,
   "ci_hi": -1.639,
   "page": 5,
   "confidence": "medium",
   "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Space",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "sqft",
   "beta": 0.0056,
   "se": 0.003,
   "t": 1.804,
   "p": 0.074,
   "p_stars": "",
   "ci_lo": -0.001,
   "ci_hi": 0.012,
   "page": 5,
   "confidence": "medium",
   "notes": "Total square footage of the house; Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Room",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 3.0901,
   "se": 0.95,
   "t": 3.253,
   "p": 0.001,
   "p_stars": "",
   "ci_lo": 1.209,
   "ci_hi": 4.971,
   "page": 5,
   "confidence": "medium",
   "notes": "Total number of rooms (distinct from bedrooms); Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Lot",
   "taxonomy_id": "lot_size",
   "x_transform": "level",
   "x_unit": "sqft (as stated in Table 1; scale uncertain)",
   "beta": 0.2094,
   "se": 0.089,
   "t": 2.35,
   "p": 0.02,
   "p_stars": "",
   "ci_lo": 0.033,
   "ci_hi": 0.386,
   "page": 5,
   "confidence": "medium",
   "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Tax",
   "taxonomy_id": "public_services",
   "x_transform": "level",
   "x_unit": "USD per year (annual property taxes)",
   "beta": 0.0062,
   "se": 0.002,
   "t": 2.636,
   "p": 0.01,
   "p_stars": "",
   "ci_lo": 0.002,
   "ci_hi": 0.011,
   "page": 5,
   "confidence": "medium",
   "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Bathroom",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 5.6524,
   "se": 1.76,
   "t": 3.212,
   "p": 0.002,
   "p_stars": "",
   "ci_lo": 2.167,
   "ci_hi": 9.138,
   "page": 5,
   "confidence": "medium",
   "notes": "Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Garage",
   "taxonomy_id": "garage",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 4.5383,
   "se": 0.911,
   "t": 4.984,
   "p": 0.0,
   "p_stars": "",
   "ci_lo": 2.735,
   "ci_hi": 6.342,
   "page": 5,
   "confidence": "medium",
   "notes": "Number of garages; Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  },
  {
   "model_id": "T2-c1",
   "var_name_printed": "Condition",
   "taxonomy_id": "condition",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.5562,
   "se": 1.677,
   "t": 0.332,
   "p": 0.741,
   "p_stars": "",
   "ci_lo": -2.766,
   "ci_hi": 3.878,
   "page": 5,
   "confidence": "medium",
   "notes": "1 if good condition, 0 otherwise; Price scale (thousands of USD) inferred from text ('each additional room increases the price by approximately $3,090' for coefficient 3.0901); sample period and n not printed"
  }
 ]
}