{
 "record_id": "1196e55c7401009f4e60d7c8db96469c1e13b00e",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "Capitalization of Open Spaces into Housing Values and the Residential Property Tax Revenue Impacts of Agricultural Easement Programs",
  "year": 2003,
  "doi": "10.1017/s1068280500002483",
  "country": "United States",
  "region_city": "Calvert, Carroll and Howard counties, Maryland",
  "sample_start": 1993,
  "sample_end": 1996,
  "property_type": "single_family",
  "price_type": "transaction",
  "data_source": "Maryland Department of Planning parcel/sales database (MdProperty View), 10,135 arm's-length transactions July 1993-June 1996",
  "document_type": "journal",
  "estimators": [
   "OLS",
   "spatial_error"
  ],
  "spatial_method": "spatial error model (u = lambda*W*u + e), row-standardised inverse-distance weights, 1,000 m cut-off, ML",
  "time_fe": true,
  "location_fe": false,
  "se_type": "unknown",
  "n_obs_total": 10135,
  "ai_methods": [],
  "notes": "Log-log hedonic estimated separately by county (Tables 3-5), OLS and spatial error model for each. t-statistics printed in a separate column (asymptotic t for the spatial model). * = significant at the 5% level (only star level). Semi-annual time dummies included, not reported. Large-buffer open-space variables (P_LGPERMOPEN, P_LGAGFOREST; also P_SMAGFOREST in Howard) are predicted values from a first-stage instrumental-variable regression (Hausman test). Property type: residential parcels with structures (assessor data); assumed single-family. n_obs by county: Calvert 1,676; Carroll 3,133; Howard 5,326."
 },
 "models": [
  {
   "model_id": "T3-c1",
   "table": "3",
   "column": "1",
   "page": 8,
   "dep_var": "LN_PRICE (natural log of full transaction price, USD)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 1676,
   "r2": 0.7549,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Calvert County, OLS; adjusted R2"
  },
  {
   "model_id": "T3-c2",
   "table": "3",
   "column": "2",
   "page": 8,
   "dep_var": "LN_PRICE (natural log of full transaction price, USD)",
   "dep_transform": "log",
   "estimator": "spatial_error",
   "n_obs": 1676,
   "r2": 0.7785,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Calvert County, spatial error model (lambda 0.4067); adjusted R2"
  },
  {
   "model_id": "T4-c1",
   "table": "4",
   "column": "1",
   "page": 8,
   "dep_var": "LN_PRICE (natural log of full transaction price, USD)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 3133,
   "r2": 0.7394,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Carroll County, OLS; adjusted R2"
  },
  {
   "model_id": "T4-c2",
   "table": "4",
   "column": "2",
   "page": 8,
   "dep_var": "LN_PRICE (natural log of full transaction price, USD)",
   "dep_transform": "log",
   "estimator": "spatial_error",
   "n_obs": 3133,
   "r2": 0.7458,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Carroll County, spatial error model (lambda 0.2149); adjusted R2"
  },
  {
   "model_id": "T5-c1",
   "table": "5",
   "column": "1",
   "page": 9,
   "dep_var": "LN_PRICE (natural log of full transaction price, USD)",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 5326,
   "r2": 0.739,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Howard County, OLS; adjusted R2"
  },
  {
   "model_id": "T5-c2",
   "table": "5",
   "column": "2",
   "page": 9,
   "dep_var": "LN_PRICE (natural log of full transaction price, USD)",
   "dep_transform": "log",
   "estimator": "spatial_error",
   "n_obs": 5326,
   "r2": 0.7741,
   "se_or_t_in_parentheses": "t",
   "sample_subset": "Howard County, spatial error model (lambda 0.6339); adjusted R2"
  }
 ],
 "coefficients": [
  {
   "model_id": "T3-c1",
   "var_name_printed": "P_LGPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.6303,
   "se": null,
   "t": 3.59,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "SMPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.1134,
   "se": null,
   "t": -1.72,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 100 m buffer"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "P_LGAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.3492,
   "se": null,
   "t": -7.42,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "SMAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.0482,
   "se": null,
   "t": -2.38,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 100 m buffer; no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "LN_ACRE",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "acres",
   "beta": 0.0982,
   "se": null,
   "t": 13.83,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of parcel size in acres"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "LN_AGE",
   "taxonomy_id": "age",
   "x_transform": "log",
   "x_unit": "years",
   "beta": -0.0226,
   "se": null,
   "t": -5.31,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of age of structure in years"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "LN_SQFT",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.3894,
   "se": null,
   "t": 20.46,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of structure size in square feet"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "AVERAGE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.2106,
   "se": null,
   "t": 13.88,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade average (omitted category: fair)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "GOOD_VGOOD",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.4859,
   "se": null,
   "t": 12.29,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade good or very good (omitted: fair)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "NUSTORY",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.079,
   "se": null,
   "t": 5.99,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Number of stories"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "BASEMENT",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0126,
   "se": null,
   "t": -1.12,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "FRAME",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0052,
   "se": null,
   "t": -0.22,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Framed structure (omitted: all other construction types)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "ALUM",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0422,
   "se": null,
   "t": -1.82,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Aluminum-sided structure (omitted: all other construction types)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "LN_POPDEN",
   "taxonomy_id": "density",
   "x_transform": "log",
   "x_unit": "households per sq mile",
   "beta": -0.0396,
   "se": null,
   "t": -3.67,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of census tract/block-group population density (households per square mile)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "%EDUCB",
   "taxonomy_id": "education_level",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.9934,
   "se": null,
   "t": 3.94,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of population with bachelor's degree or higher (1990 Census block group)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "MEDHSINC",
   "taxonomy_id": "income",
   "x_transform": "level",
   "x_unit": "USD",
   "beta": 0.0,
   "se": null,
   "t": -0.3,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "medium",
   "notes": "Median household income of census tract in dollars; coefficient printed as 0.0000 (rounded) in most columns; beta printed as 0.0000 — magnitude not recoverable, use t only"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "LN_CITYDIST",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.1669,
   "se": null,
   "t": -4.27,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of Euclidean distance to nearest of Washington DC or Baltimore; printed in units of 100 km (log, so scale does not affect the elasticity)"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "LN_TOWNDIST",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "km",
   "beta": 0.0241,
   "se": null,
   "t": 2.67,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of distance to nearest town (units of 100 km)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "P_LGPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.7118,
   "se": null,
   "t": 2.83,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "SMPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.1117,
   "se": null,
   "t": -1.67,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 100 m buffer"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "P_LGAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.3907,
   "se": null,
   "t": -6.03,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "SMAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.0496,
   "se": null,
   "t": -2.42,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 100 m buffer; no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "LN_ACRE",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "acres",
   "beta": 0.1002,
   "se": null,
   "t": 12.87,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of parcel size in acres"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "LN_AGE",
   "taxonomy_id": "age",
   "x_transform": "log",
   "x_unit": "years",
   "beta": -0.0287,
   "se": null,
   "t": -6.28,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of age of structure in years"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "LN_SQFT",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.3765,
   "se": null,
   "t": 19.49,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of structure size in square feet"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "AVERAGE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.202,
   "se": null,
   "t": 12.94,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade average (omitted category: fair)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "GOOD_VGOOD",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.4699,
   "se": null,
   "t": 11.56,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade good or very good (omitted: fair)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "NUSTORY",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0655,
   "se": null,
   "t": 5.14,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Number of stories"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "BASEMENT",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0008,
   "se": null,
   "t": -0.07,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "FRAME",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0311,
   "se": null,
   "t": -1.36,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Framed structure (omitted: all other construction types)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "ALUM",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0464,
   "se": null,
   "t": -2.07,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Aluminum-sided structure (omitted: all other construction types); no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "LN_POPDEN",
   "taxonomy_id": "density",
   "x_transform": "log",
   "x_unit": "households per sq mile",
   "beta": -0.0393,
   "se": null,
   "t": -2.85,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of census tract/block-group population density (households per square mile)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "%EDUCB",
   "taxonomy_id": "education_level",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 1.0015,
   "se": null,
   "t": 2.83,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of population with bachelor's degree or higher (1990 Census block group)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "MEDHSINC",
   "taxonomy_id": "income",
   "x_transform": "level",
   "x_unit": "USD",
   "beta": 0.0,
   "se": null,
   "t": -0.18,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "medium",
   "notes": "Median household income of census tract in dollars; coefficient printed as 0.0000 (rounded) in most columns; beta printed as 0.0000 — magnitude not recoverable, use t only"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "LN_CITYDIST",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.1432,
   "se": null,
   "t": -2.59,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of Euclidean distance to nearest of Washington DC or Baltimore; printed in units of 100 km (log, so scale does not affect the elasticity)"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "LN_TOWNDIST",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "km",
   "beta": 0.0265,
   "se": null,
   "t": 2.02,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of distance to nearest town (units of 100 km); no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "P_LGPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.1181,
   "se": null,
   "t": -1.86,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "SMPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0443,
   "se": null,
   "t": 2.01,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 100 m buffer; no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "P_LGAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.1932,
   "se": null,
   "t": -3.39,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "SMAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0027,
   "se": null,
   "t": 0.2,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 100 m buffer"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "LN_ACRE",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "acres",
   "beta": 0.1334,
   "se": null,
   "t": 31.68,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of parcel size in acres"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "LN_AGE",
   "taxonomy_id": "age",
   "x_transform": "log",
   "x_unit": "years",
   "beta": -0.0641,
   "se": null,
   "t": -21.8,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of age of structure in years"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "LN_SQFT",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.2692,
   "se": null,
   "t": 24.29,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of structure size in square feet"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "AVERAGE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.1546,
   "se": null,
   "t": 17.51,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade average (omitted category: fair)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "GOOD_VGOOD",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.4036,
   "se": null,
   "t": 17.17,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade good or very good (omitted: fair)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "NUSTORY",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": -0.0212,
   "se": null,
   "t": -2.52,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Number of stories; no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "BASEMENT",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.1324,
   "se": null,
   "t": 8.74,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "FRAME",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0528,
   "se": null,
   "t": -4.05,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Framed structure (omitted: all other construction types)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "ALUM",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0015,
   "se": null,
   "t": -0.16,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Aluminum-sided structure (omitted: all other construction types)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "LN_POPDEN",
   "taxonomy_id": "density",
   "x_transform": "log",
   "x_unit": "households per sq mile",
   "beta": 0.0286,
   "se": null,
   "t": 4.75,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of census tract/block-group population density (households per square mile)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "%EDUCB",
   "taxonomy_id": "education_level",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0814,
   "se": null,
   "t": 0.62,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of population with bachelor's degree or higher (1990 Census block group)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "MEDHSINC",
   "taxonomy_id": "income",
   "x_transform": "level",
   "x_unit": "USD",
   "beta": 0.0,
   "se": null,
   "t": 6.82,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "medium",
   "notes": "Median household income of census tract in dollars; coefficient printed as 0.0000 (rounded) in most columns; beta printed as 0.0000 — magnitude not recoverable, use t only"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "LN_CITYDIST",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.1581,
   "se": null,
   "t": -6.45,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of Euclidean distance to nearest of Washington DC or Baltimore; printed in units of 100 km (log, so scale does not affect the elasticity)"
  },
  {
   "model_id": "T4-c1",
   "var_name_printed": "LN_TOWNDIST",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.0044,
   "se": null,
   "t": -0.76,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of distance to nearest town (units of 100 km)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "P_LGPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.1171,
   "se": null,
   "t": -1.57,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "SMPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0317,
   "se": null,
   "t": 1.33,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 100 m buffer"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "P_LGAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.2074,
   "se": null,
   "t": -3.26,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "SMAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0027,
   "se": null,
   "t": 0.2,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 100 m buffer"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "LN_ACRE",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "acres",
   "beta": 0.1338,
   "se": null,
   "t": 31.06,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of parcel size in acres"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "LN_AGE",
   "taxonomy_id": "age",
   "x_transform": "log",
   "x_unit": "years",
   "beta": -0.061,
   "se": null,
   "t": -20.15,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of age of structure in years"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "LN_SQFT",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.2629,
   "se": null,
   "t": 24.0,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of structure size in square feet"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "AVERAGE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.1551,
   "se": null,
   "t": 16.76,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade average (omitted category: fair)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "GOOD_VGOOD",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.3973,
   "se": null,
   "t": 16.69,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Assessor quality grade good or very good (omitted: fair)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "NUSTORY",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": -0.0155,
   "se": null,
   "t": -1.83,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Number of stories"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "BASEMENT",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.133,
   "se": null,
   "t": 8.87,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "FRAME",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0488,
   "se": null,
   "t": -3.79,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Framed structure (omitted: all other construction types)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "ALUM",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0007,
   "se": null,
   "t": -0.08,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Aluminum-sided structure (omitted: all other construction types)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "LN_POPDEN",
   "taxonomy_id": "density",
   "x_transform": "log",
   "x_unit": "households per sq mile",
   "beta": 0.0274,
   "se": null,
   "t": 4.02,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of census tract/block-group population density (households per square mile)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "%EDUCB",
   "taxonomy_id": "education_level",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0083,
   "se": null,
   "t": 0.06,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Share of population with bachelor's degree or higher (1990 Census block group)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "MEDHSINC",
   "taxonomy_id": "income",
   "x_transform": "level",
   "x_unit": "USD",
   "beta": 0.0,
   "se": null,
   "t": 23.02,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "medium",
   "notes": "Median household income of census tract in dollars; coefficient printed as 0.0000 (rounded) in most columns; beta printed as 0.0000 — magnitude not recoverable, use t only"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "LN_CITYDIST",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.1687,
   "se": null,
   "t": -5.8,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of Euclidean distance to nearest of Washington DC or Baltimore; printed in units of 100 km (log, so scale does not affect the elasticity)"
  },
  {
   "model_id": "T4-c2",
   "var_name_printed": "LN_TOWNDIST",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.0048,
   "se": null,
   "t": -0.75,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 8,
   "confidence": "high",
   "notes": "Natural log of distance to nearest town (units of 100 km)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "P_LGPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.495,
   "se": null,
   "t": 6.4,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "SMPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0367,
   "se": null,
   "t": 1.69,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 100 m buffer"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "P_LGAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.1612,
   "se": null,
   "t": -2.89,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "P_SMAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.2066,
   "se": null,
   "t": 3.18,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 100 m buffer; predicted (IV) value in Howard County"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "LN_ACRE",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "acres",
   "beta": 0.1045,
   "se": null,
   "t": 26.82,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of parcel size in acres"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "LN_AGE",
   "taxonomy_id": "age",
   "x_transform": "log",
   "x_unit": "years",
   "beta": -0.0559,
   "se": null,
   "t": -20.79,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of age of structure in years"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "LN_SQFT",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.2518,
   "se": null,
   "t": 34.22,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of structure size in square feet; no star printed although t = 34.22 (likely typographic omission); no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "AVERAGE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.2258,
   "se": null,
   "t": 14.67,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Assessor quality grade average (omitted category: fair)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "GOOD_VGOOD",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.4152,
   "se": null,
   "t": 24.96,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Assessor quality grade good or very good (omitted: fair)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "NUSTORY",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0675,
   "se": null,
   "t": 8.04,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Number of stories"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "BASEMENT",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.0847,
   "se": null,
   "t": 8.13,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "FRAME",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0736,
   "se": null,
   "t": -7.85,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Framed structure (omitted: all other construction types)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "ALUM",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0919,
   "se": null,
   "t": -8.58,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Aluminum-sided structure (omitted: all other construction types)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "LN_POPDEN",
   "taxonomy_id": "density",
   "x_transform": "log",
   "x_unit": "households per sq mile",
   "beta": 0.0089,
   "se": null,
   "t": 2.62,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of census tract/block-group population density (households per square mile)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "%EDUCB",
   "taxonomy_id": "education_level",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.2816,
   "se": null,
   "t": 4.86,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of population with bachelor's degree or higher (1990 Census block group)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "MEDHSINC",
   "taxonomy_id": "income",
   "x_transform": "level",
   "x_unit": "USD",
   "beta": 0.0,
   "se": null,
   "t": 13.31,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "medium",
   "notes": "Median household income of census tract in dollars; coefficient printed as 0.0000 (rounded) in most columns; beta printed as 0.0000 — magnitude not recoverable, use t only"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "LN_CITYDIST",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.0033,
   "se": null,
   "t": -0.24,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of Euclidean distance to nearest of Washington DC or Baltimore; printed in units of 100 km (log, so scale does not affect the elasticity)"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "LN_TOWNDIST",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "km",
   "beta": -0.0059,
   "se": null,
   "t": -1.32,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of distance to nearest town (units of 100 km)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "P_LGPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.5869,
   "se": null,
   "t": 3.91,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 1,600 m buffer; predicted (IV) value"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "SMPERMOPEN",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.0489,
   "se": null,
   "t": 2.02,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of permanently preserved open space within 100 m buffer"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "P_LGAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": -0.2035,
   "se": null,
   "t": -2.31,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 1,600 m buffer; predicted (IV) value; no star printed despite |t| > 1.96 (as printed)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "P_SMAGFOREST",
   "taxonomy_id": "green_space",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.1482,
   "se": null,
   "t": 1.75,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of non-preserved agricultural and forest land within 100 m buffer; predicted (IV) value in Howard County"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "LN_ACRE",
   "taxonomy_id": "lot_size",
   "x_transform": "log",
   "x_unit": "acres",
   "beta": 0.1114,
   "se": null,
   "t": 23.79,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of parcel size in acres"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "LN_AGE",
   "taxonomy_id": "age",
   "x_transform": "log",
   "x_unit": "years",
   "beta": -0.0566,
   "se": null,
   "t": -18.56,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of age of structure in years"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "LN_SQFT",
   "taxonomy_id": "living_area",
   "x_transform": "log",
   "x_unit": "sqft",
   "beta": 0.2031,
   "se": null,
   "t": 29.46,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of structure size in square feet"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "AVERAGE",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.23,
   "se": null,
   "t": 14.07,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Assessor quality grade average (omitted category: fair)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "GOOD_VGOOD",
   "taxonomy_id": "condition",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.412,
   "se": null,
   "t": 23.06,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Assessor quality grade good or very good (omitted: fair)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "NUSTORY",
   "taxonomy_id": "storeys",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.0734,
   "se": null,
   "t": 8.97,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Number of stories"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "BASEMENT",
   "taxonomy_id": "basement",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.0731,
   "se": null,
   "t": 7.15,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "FRAME",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0538,
   "se": null,
   "t": -6.0,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Framed structure (omitted: all other construction types)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "ALUM",
   "taxonomy_id": "roof_materials",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": -0.0601,
   "se": null,
   "t": -5.65,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Aluminum-sided structure (omitted: all other construction types)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "LN_POPDEN",
   "taxonomy_id": "density",
   "x_transform": "log",
   "x_unit": "households per sq mile",
   "beta": 0.0041,
   "se": null,
   "t": 0.74,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of census tract/block-group population density (households per square mile)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "%EDUCB",
   "taxonomy_id": "education_level",
   "x_transform": "level",
   "x_unit": "share",
   "beta": 0.1601,
   "se": null,
   "t": 1.62,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Share of population with bachelor's degree or higher (1990 Census block group)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "MEDHSINC",
   "taxonomy_id": "income",
   "x_transform": "level",
   "x_unit": "USD",
   "beta": 0.0021,
   "se": null,
   "t": 5.7,
   "p": null,
   "p_stars": "*",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "medium",
   "notes": "Median household income of census tract in dollars; printed 0.0021 in this column (scale inconsistent with other columns, possibly in thousands of dollars)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "LN_CITYDIST",
   "taxonomy_id": "cbd_distance",
   "x_transform": "log",
   "x_unit": "km",
   "beta": 0.0154,
   "se": null,
   "t": 1.68,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of Euclidean distance to nearest of Washington DC or Baltimore; printed in units of 100 km (log, so scale does not affect the elasticity)"
  },
  {
   "model_id": "T5-c2",
   "var_name_printed": "LN_TOWNDIST",
   "taxonomy_id": "other",
   "x_transform": "log",
   "x_unit": "km",
   "beta": 0.0004,
   "se": null,
   "t": 0.05,
   "p": null,
   "p_stars": "",
   "ci_lo": null,
   "ci_hi": null,
   "page": 9,
   "confidence": "high",
   "notes": "Natural log of distance to nearest town (units of 100 km)"
  }
 ]
}