{
 "record_id": "5242a8699dbfd95d3c698daaa18f7bab00d59c97",
 "eligible": true,
 "exclusion_reason": null,
 "study": {
  "title": "The impact of luxury housing on neighborhood housing prices: an application of the spatial difference-in-differences method",
  "year": 2020,
  "doi": "10.3846/ijspm.2020.13649",
  "country": "Taiwan",
  "region_city": "Taipei City",
  "sample_start": 2008,
  "sample_end": 2014,
  "property_type": "condo_apartment",
  "price_type": "transaction",
  "data_source": "Giga House real estate transaction reports (2008-2011) and Ministry of the Interior actual price registration (2013-2014); apartment houses and multistoried buildings; 5% price tails trimmed; propensity-score matched samples",
  "document_type": "journal",
  "estimators": [
   "OLS",
   "spatial_lag",
   "spatial_error"
  ],
  "spatial_method": "spatial lag and spatial error models (ML) with location fixed effects",
  "time_fe": false,
  "location_fe": true,
  "se_type": "unknown",
  "n_obs_total": 12771,
  "ai_methods": [],
  "notes": "Semi-log model (text interprets coefficients as % changes; intercept ~5-6 with mean price ~1,440-1,890 ten-thousand NT$ implies ln(PRICE)). Two PSM-matched samples: during construction (construction-licence event, N=5,124) and after construction (usage-licence event, N=7,647). S.E. in parentheses; coefficients non-standardized; *** 1%, ** 5%, * 10%. AREA in ping (1 ping = 3.306 m2). FLOOR = 1 if first floor. TYPE = 1 multistoried building, 0 apartment house. TIME (post-event dummy) not extracted; TREAT (located in luxury-housing neighbourhood) and DD interaction extracted as 'other'. Distances to MRT / schools in metres with coefficients printed as 0.001 (rounded). One cell (PRIM, SLM during construction) printed as 'v0.001' in the PDF (typo)."
 },
 "models": [
  {
   "model_id": "T7-c1",
   "table": "7",
   "column": "1",
   "page": 12,
   "dep_var": "ln(PRICE), total price in ten thousand NT$",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 5124,
   "r2": 0.797,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "During construction sample (PSM-matched); OLS; location fixed effects; DD specification with TIME, TREAT, DD"
  },
  {
   "model_id": "T7-c2",
   "table": "7",
   "column": "2",
   "page": 12,
   "dep_var": "ln(PRICE), total price in ten thousand NT$",
   "dep_transform": "log",
   "estimator": "spatial_lag",
   "n_obs": 5124,
   "r2": 0.807,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "During construction sample (PSM-matched); spatial_lag; location fixed effects; DD specification with TIME, TREAT, DD"
  },
  {
   "model_id": "T7-c3",
   "table": "7",
   "column": "3",
   "page": 12,
   "dep_var": "ln(PRICE), total price in ten thousand NT$",
   "dep_transform": "log",
   "estimator": "spatial_error",
   "n_obs": 5124,
   "r2": 0.813,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "During construction sample (PSM-matched); spatial_error; location fixed effects; DD specification with TIME, TREAT, DD"
  },
  {
   "model_id": "T7-c4",
   "table": "7",
   "column": "4",
   "page": 12,
   "dep_var": "ln(PRICE), total price in ten thousand NT$",
   "dep_transform": "log",
   "estimator": "OLS",
   "n_obs": 7647,
   "r2": 0.719,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "After construction sample (PSM-matched); OLS; location fixed effects; DD specification with TIME, TREAT, DD"
  },
  {
   "model_id": "T7-c5",
   "table": "7",
   "column": "5",
   "page": 12,
   "dep_var": "ln(PRICE), total price in ten thousand NT$",
   "dep_transform": "log",
   "estimator": "spatial_lag",
   "n_obs": 7647,
   "r2": 0.746,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "After construction sample (PSM-matched); spatial_lag; location fixed effects; DD specification with TIME, TREAT, DD"
  },
  {
   "model_id": "T7-c6",
   "table": "7",
   "column": "6",
   "page": 12,
   "dep_var": "ln(PRICE), total price in ten thousand NT$",
   "dep_transform": "log",
   "estimator": "spatial_error",
   "n_obs": 7647,
   "r2": 0.757,
   "se_or_t_in_parentheses": "se",
   "sample_subset": "After construction sample (PSM-matched); spatial_error; location fixed effects; DD specification with TIME, TREAT, DD"
  }
 ],
 "coefficients": [
  {
   "model_id": "T7-c1",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "ping (1 ping = 3.306 m2)",
   "beta": 0.023,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "building transfer area"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "ping (1 ping = 3.306 m2)",
   "beta": 0.022,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "building transfer area"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "ping (1 ping = 3.306 m2)",
   "beta": 0.022,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "building transfer area"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "ping (1 ping = 3.306 m2)",
   "beta": 0.018,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "building transfer area"
  },
  {
   "model_id": "T7-c5",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "ping (1 ping = 3.306 m2)",
   "beta": 0.017,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "building transfer area"
  },
  {
   "model_id": "T7-c6",
   "var_name_printed": "AREA",
   "taxonomy_id": "living_area",
   "x_transform": "level",
   "x_unit": "ping (1 ping = 3.306 m2)",
   "beta": 0.017,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "building transfer area"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.013,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.013,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.013,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.004,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c5",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.004,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c6",
   "var_name_printed": "AGE",
   "taxonomy_id": "age",
   "x_transform": "level",
   "x_unit": "years",
   "beta": -0.004,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "AGES",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "medium",
   "notes": "square of house age"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "AGES",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "medium",
   "notes": "square of house age"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "AGES",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "medium",
   "notes": "square of house age"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "AGES",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "medium",
   "notes": "square of house age"
  },
  {
   "model_id": "T7-c5",
   "var_name_printed": "AGES",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "medium",
   "notes": "square of house age"
  },
  {
   "model_id": "T7-c6",
   "var_name_printed": "AGES",
   "taxonomy_id": "age",
   "x_transform": "squared",
   "x_unit": "years squared",
   "beta": 0.001,
   "se": 0.001,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "medium",
   "notes": "square of house age"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "FLOOR",
   "taxonomy_id": "floor_level",
   "x_transform": "dummy",
   "x_unit": "binary (first floor = 1 vs other floors)",
   "beta": 0.124,
   "se": 0.021,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "residence on 1st floor"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "FLOOR",
   "taxonomy_id": "floor_level",
   "x_transform": "dummy",
   "x_unit": "binary (first floor = 1 vs other floors)",
   "beta": 0.126,
   "se": 0.02,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "residence on 1st floor"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "FLOOR",
   "taxonomy_id": "floor_level",
   "x_transform": "dummy",
   "x_unit": "binary (first floor = 1 vs other floors)",
   "beta": 0.129,
   "se": 0.02,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "residence on 1st floor"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "FLOOR",
   "taxonomy_id": "floor_level",
   "x_transform": "dummy",
   "x_unit": "binary (first floor = 1 vs other floors)",
   "beta": 0.221,
   "se": 0.013,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "residence on 1st floor"
  },
  {
   "model_id": "T7-c5",
   "var_name_printed": "FLOOR",
   "taxonomy_id": "floor_level",
   "x_transform": "dummy",
   "x_unit": "binary (first floor = 1 vs other floors)",
   "beta": 0.219,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "residence on 1st floor"
  },
  {
   "model_id": "T7-c6",
   "var_name_printed": "FLOOR",
   "taxonomy_id": "floor_level",
   "x_transform": "dummy",
   "x_unit": "binary (first floor = 1 vs other floors)",
   "beta": 0.221,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "residence on 1st floor"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "ROOM",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.085,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of rooms"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "ROOM",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.085,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of rooms"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "ROOM",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.086,
   "se": 0.007,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of rooms"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "ROOM",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.082,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of rooms"
  },
  {
   "model_id": "T7-c5",
   "var_name_printed": "ROOM",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.078,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of rooms"
  },
  {
   "model_id": "T7-c6",
   "var_name_printed": "ROOM",
   "taxonomy_id": "bedrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.081,
   "se": 0.005,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of rooms"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "LIVROOM",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count (living rooms)",
   "beta": 0.167,
   "se": 0.012,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of living rooms"
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "LIVROOM",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count (living rooms)",
   "beta": 0.166,
   "se": 0.011,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of living rooms"
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "LIVROOM",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count (living rooms)",
   "beta": 0.173,
   "se": 0.011,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of living rooms"
  },
  {
   "model_id": "T7-c4",
   "var_name_printed": "LIVROOM",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count (living rooms)",
   "beta": 0.097,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of living rooms"
  },
  {
   "model_id": "T7-c5",
   "var_name_printed": "LIVROOM",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count (living rooms)",
   "beta": 0.088,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of living rooms"
  },
  {
   "model_id": "T7-c6",
   "var_name_printed": "LIVROOM",
   "taxonomy_id": "other",
   "x_transform": "level",
   "x_unit": "count (living rooms)",
   "beta": 0.092,
   "se": 0.008,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": "number of living rooms"
  },
  {
   "model_id": "T7-c1",
   "var_name_printed": "BATH",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.087,
   "se": 0.01,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c2",
   "var_name_printed": "BATH",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
   "beta": 0.085,
   "se": 0.01,
   "t": null,
   "p": null,
   "p_stars": "***",
   "ci_lo": null,
   "ci_hi": null,
   "page": 12,
   "confidence": "high",
   "notes": ""
  },
  {
   "model_id": "T7-c3",
   "var_name_printed": "BATH",
   "taxonomy_id": "bathrooms",
   "x_transform": "level",
   "x_unit": "count",
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   "confidence": "high",
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   "confidence": "high",
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   "confidence": "high",
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   "confidence": "high",
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   "confidence": "high",
   "notes": "DiD interaction: spillover of luxury housing construction (during) / completion (after) on neighbouring prices"
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   "confidence": "high",
   "notes": "DiD interaction: spillover of luxury housing construction (during) / completion (after) on neighbouring prices"
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}