{
 "record_id": "670783d3e4613f6e96cb818330755422772653ef",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "The impact of energy certification on the real estate market: an analysis using Big Data and hedonic pricing",
  "year": 2026,
  "doi": "10.36253/aestim-19711",
  "country": "Italy",
  "region_city": "Padua (Padova)",
  "sample_start": 2022,
  "sample_end": 2023,
  "property_type": "condo_apartment",
  "price_type": "listing",
  "data_source": "web-scraped real estate listings (5,188 offers, 1,738 apartments retained) in Padua, 2022-2023",
  "document_type": "journal",
  "estimators": [
   "OLS"
  ],
  "spatial_method": "urban zone dummies (10 zones, reference Torre/Mortise/Ponte di Brenta)",
  "time_fe": false,
  "location_fe": true,
  "se_type": "unknown",
  "n_obs_total": 1738,
  "ai_methods": [],
  "notes": "Dependent variable ln(P/m2) = log of listing price per square metre (EUR). 95% confidence intervals in brackets (no SE printed); star legend * p<0.10, ** p<0.05, *** p<0.01. Zone dummies (location FE) not extracted. Table A3 re-estimates the same three models with EPC class D as reference (only EPC coefficients differ; other coefficients identical to Table 3 and not duplicated). Table 5 pools both years with a 2023 dummy and 2023 interactions (interactions not extracted). EPC classes are Italian energy labels A4-A1 (>=A), B...G, G reference in Tables 3/5."
 },
 "models": [
  {
   "model_id": "T3-c1",
   "table": "3",
   "column": "Full sample",
   "page": 10,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 1738,
   "r2": 0.55,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "full sample 2022-2023"
  },
  {
   "model_id": "T3-c2",
   "table": "3",
   "column": "year=2022",
   "page": 10,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 705,
   "r2": 0.622,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "2022 listings"
  },
  {
   "model_id": "T3-c3",
   "table": "3",
   "column": "year=2023",
   "page": 10,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 1033,
   "r2": 0.529,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "2023 listings"
  },
  {
   "model_id": "T5-c1",
   "table": "5",
   "column": "β",
   "page": 13,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 1738,
   "r2": 0.56,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "pooled 2022-2023 with Year=2023 dummy and 2023 interactions on all variables except surface"
  },
  {
   "model_id": "TA3-c1",
   "table": "A3",
   "column": "Full sample",
   "page": 19,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 1738,
   "r2": null,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "full sample; EPC D reference",
   "notes": "adjusted R2 printed: 0.545 / 0.612 / 0.521; same models as Table 3 with EPC D as reference"
  },
  {
   "model_id": "TA3-c2",
   "table": "A3",
   "column": "year=2022",
   "page": 19,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 705,
   "r2": null,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "2022 listings; EPC D reference",
   "notes": "adjusted R2 printed: 0.545 / 0.612 / 0.521; same models as Table 3 with EPC D as reference"
  },
  {
   "model_id": "TA3-c3",
   "table": "A3",
   "column": "year=2023",
   "page": 19,
   "dep_var": "ln(P/m2): log listing price per m2 (EUR)",
   "dep_transform": "per_m2",
   "estimator": "OLS",
   "n_obs": 1033,
   "r2": null,
   "se_or_t_in_parentheses": "none",
   "sample_subset": "2023 listings; EPC D reference",
   "notes": "adjusted R2 printed: 0.545 / 0.612 / 0.521; same models as Table 3 with EPC D as reference"
  }
 ],
 "coefficients": [
  {
   "model_id": "T3-c1",
   "var_name_printed": "Surface (m2)",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -0.003,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": -0.003,
   "ci_hi": -0.003,
   "page": 10,
   "confidence": "high",
   "notes": "dependent is price per m2, hence negative"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Surface (m2)",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -0.003,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": -0.003,
   "ci_hi": -0.002,
   "page": 10,
   "confidence": "high",
   "notes": "dependent is price per m2, hence negative"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "Surface (m2)",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -0.003,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": -0.004,
   "ci_hi": -0.003,
   "page": 10,
   "confidence": "high",
   "notes": "dependent is price per m2, hence negative"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Bathrooms",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.149,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.118,
   "ci_hi": 0.179,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Bathrooms",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.091,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.047,
   "ci_hi": 0.136,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "Bathrooms",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.17,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.129,
   "ci_hi": 0.212,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "EPC: >=A",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.506,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.459,
   "ci_hi": 0.553,
   "page": 10,
   "confidence": "high",
   "notes": "EPC class A (A4-A1) vs G"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "EPC: >=A",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.473,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.41,
   "ci_hi": 0.536,
   "page": 10,
   "confidence": "high",
   "notes": "EPC class A (A4-A1) vs G"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "EPC: >=A",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.517,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.449,
   "ci_hi": 0.585,
   "page": 10,
   "confidence": "high",
   "notes": "EPC class A (A4-A1) vs G"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "EPC: B",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.361,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.265,
   "ci_hi": 0.458,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "EPC: B",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.312,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.202,
   "ci_hi": 0.421,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "EPC: B",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.361,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.2,
   "ci_hi": 0.522,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "EPC: C",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.253,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.167,
   "ci_hi": 0.339,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "EPC: C",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.183,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.08,
   "ci_hi": 0.287,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "EPC: C",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.321,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.185,
   "ci_hi": 0.457,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "EPC: D",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.245,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.192,
   "ci_hi": 0.299,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "EPC: D",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.165,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.089,
   "ci_hi": 0.241,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "EPC: D",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.279,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.205,
   "ci_hi": 0.352,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "EPC: E",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.091,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.043,
   "ci_hi": 0.139,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "EPC: E",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.077,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "**",
   "ci_lo": 0.016,
   "ci_hi": 0.139,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "EPC: E",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.095,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.025,
   "ci_hi": 0.166,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "EPC: F",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.071,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.029,
   "ci_hi": 0.113,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "EPC: F",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.026,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": -0.032,
   "ci_hi": 0.084,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "EPC: F",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.097,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.039,
   "ci_hi": 0.155,
   "page": 10,
   "confidence": "high",
   "notes": "vs G"
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Elevator (present)",
   "taxonomy_id": "accessibility",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.103,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.07,
   "ci_hi": 0.135,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Elevator (present)",
   "taxonomy_id": "accessibility",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.093,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.049,
   "ci_hi": 0.136,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "Elevator (present)",
   "taxonomy_id": "accessibility",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.093,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.047,
   "ci_hi": 0.139,
   "page": 10,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T3-c1",
   "var_name_printed": "Alarm System (present)",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.033,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": -0.005,
   "ci_hi": 0.07,
   "page": 10,
   "confidence": "high",
   "notes": "alarm system present"
  },
  {
   "model_id": "T3-c2",
   "var_name_printed": "Alarm System (present)",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.087,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.037,
   "ci_hi": 0.138,
   "page": 10,
   "confidence": "high",
   "notes": "alarm system present"
  },
  {
   "model_id": "T3-c3",
   "var_name_printed": "Alarm System (present)",
   "taxonomy_id": "other",
   "x_transform": "binary",
   "x_unit": "binary",
   "beta": 0.005,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "",
   "ci_lo": -0.049,
   "ci_hi": 0.059,
   "page": 10,
   "confidence": "high",
   "notes": "alarm system present"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "Surface (m2)",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "m2",
   "beta": -0.003,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": -0.003,
   "ci_hi": -0.003,
   "page": 13,
   "confidence": "high",
   "notes": "dependent is price per m2"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "Bathrooms",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.122,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.081,
   "ci_hi": 0.163,
   "page": 13,
   "confidence": "high",
   "notes": "2022 base level; 2023 x Bathrooms interaction 0.036 (ns) not extracted"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": ">=A",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.466,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.392,
   "ci_hi": 0.54,
   "page": 13,
   "confidence": "high",
   "notes": "EPC >=A vs G, 2022 base level"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "B",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.311,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.182,
   "ci_hi": 0.439,
   "page": 13,
   "confidence": "high",
   "notes": "EPC B vs G, 2022 base level"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "C",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.18,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.059,
   "ci_hi": 0.301,
   "page": 13,
   "confidence": "high",
   "notes": "EPC C vs G, 2022 base level"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "D",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.157,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": 0.068,
   "ci_hi": 0.246,
   "page": 13,
   "confidence": "high",
   "notes": "EPC D vs G, 2022 base level"
  },
  {
   "model_id": "T5-c1",
   "var_name_printed": "E",
   "taxonomy_id": "energy_efficiency",
   "x_transform": "dummy",
   "x_unit": "binary",
   "beta": 0.07,
   "se": null,
   "t": null,
   "p": null,
   "p_stars": "*",
   "ci_lo": -0.002,
   "ci_hi": 0.141,
   "page": 13,
   "confidence": "high",
   "notes": "EPC E vs G, 2022 base level"
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