1{2 "record_id": "0a4917c7f444817b4974629ac2f7d58ef2f99321",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "The Hedonic Method in Evaluating Apartment Price: A Case of Ho Chi Minh City, Vietnam",7 "year": 2020,8 "doi": "10.13106/jafeb.2020.vol7.no6.517",9 "country": "Vietnam",10 "region_city": "Ho Chi Minh City (24 districts)",11 "sample_start": null,12 "sample_end": null,13 "property_type": "condo_apartment",14 "price_type": "transaction",15 "data_source": "Primary survey of buyers who completed apartment transactions plus transaction data from top developers; 339 valid questionnaires",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "",21 "time_fe": false,22 "location_fe": false,23 "se_type": "unknown",24 "n_obs_total": 339,25 "ai_methods": [],26 "notes": "Table 4 reports unstandardized B and 'Significance' (p-value) only; no SE/t. Stars as printed (*** 1%, ** 5%, * 10% per text). Dependent variable: total apartment value in billion VND (level), so betas are billion VND per unit. Survey year not printed (paper received March 2020). Model 1 uses WCBR (toilets+bedrooms count) without SQUA; Model 2 uses SQUA (area) without WCBR because of collinearity (r=0.835). Several regressors are not property characteristics (reference price, trend, investor reputation, legal status) and are mapped to 'other'."27 },28 "models": [29 {30 "model_id": "T4-c1",31 "table": "4",32 "column": "Model 1",33 "page": 6,34 "dep_var": "Total apartment value (billion VND)",35 "dep_transform": "level",36 "estimator": "OLS",37 "n_obs": 339,38 "r2": 0.829,39 "se_or_t_in_parentheses": "p",40 "sample_subset": "Model 1: with WCBR, without SQUA"41 },42 {43 "model_id": "T4-c2",44 "table": "4",45 "column": "Model 2",46 "page": 6,47 "dep_var": "Total apartment value (billion VND)",48 "dep_transform": "level",49 "estimator": "OLS",50 "n_obs": 339,51 "r2": 0.863,52 "se_or_t_in_parentheses": "p",53 "sample_subset": "Model 2: with SQUA, without WCBR"54 }55 ],56 "coefficients": [57 {58 "model_id": "T4-c1",59 "var_name_printed": "DIS",60 "taxonomy_id": "cbd_distance",61 "x_transform": "level",62 "x_unit": "km",63 "beta": -0.059,64 "se": null,65 "t": null,66 "p": 0.0,67 "p_stars": "***",68 "ci_lo": null,69 "ci_hi": null,70 "page": 6,71 "confidence": "high",72 "notes": "Distance from project to city centre (HCMC post office), km"73 },74 {75 "model_id": "T4-c2",76 "var_name_printed": "DIS",77 "taxonomy_id": "cbd_distance",78 "x_transform": "level",79 "x_unit": "km",80 "beta": -0.065,81 "se": null,82 "t": null,83 "p": 0.0,84 "p_stars": "***",85 "ci_lo": null,86 "ci_hi": null,87 "page": 6,88 "confidence": "high",89 "notes": "Distance from project to city centre (HCMC post office), km"90 },91 {92 "model_id": "T4-c1",93 "var_name_printed": "FLO",94 "taxonomy_id": "floor_level",95 "x_transform": "level",96 "x_unit": "count",97 "beta": 0.047,98 "se": null,99 "t": null,100 "p": 0.0,101 "p_stars": "***",102 "ci_lo": null,103 "ci_hi": null,104 "page": 6,105 "confidence": "high",106 "notes": "Floor of the apartment"107 },108 {109 "model_id": "T4-c2",110 "var_name_printed": "FLO",111 "taxonomy_id": "floor_level",112 "x_transform": "level",113 "x_unit": "count",114 "beta": 0.031,115 "se": null,116 "t": null,117 "p": 0.0,118 "p_stars": "***",119 "ci_lo": null,120 "ci_hi": null,121 "page": 6,122 "confidence": "high",123 "notes": "Floor of the apartment"124 },125 {126 "model_id": "T4-c1",127 "var_name_printed": "TIME-USED",128 "taxonomy_id": "age",129 "x_transform": "level",130 "x_unit": "years",131 "beta": 0.012,132 "se": null,133 "t": null,134 "p": 0.311,135 "p_stars": "",136 "ci_lo": null,137 "ci_hi": null,138 "page": 6,139 "confidence": "high",140 "notes": "Years the apartment has been used"141 },142 {143 "model_id": "T4-c2",144 "var_name_printed": "TIME-USED",145 "taxonomy_id": "age",146 "x_transform": "level",147 "x_unit": "years",148 "beta": 0.015,149 "se": null,150 "t": null,151 "p": 0.162,152 "p_stars": "",153 "ci_lo": null,154 "ci_hi": null,155 "page": 6,156 "confidence": "high",157 "notes": "Years the apartment has been used"158 },159 {160 "model_id": "T4-c1",161 "var_name_printed": "RE-PRICE",162 "taxonomy_id": "other",163 "x_transform": "level",164 "x_unit": "currency",165 "beta": 0.565,166 "se": null,167 "t": null,168 "p": 0.0,169 "p_stars": "***",170 "ci_lo": null,171 "ci_hi": null,172 "page": 6,173 "confidence": "high",174 "notes": "Reference price (billion VND); market variable"175 },176 {177 "model_id": "T4-c2",178 "var_name_printed": "RE-PRICE",179 "taxonomy_id": "other",180 "x_transform": "level",181 "x_unit": "currency",182 "beta": 0.464,183 "se": null,184 "t": null,185 "p": 0.0,186 "p_stars": "***",187 "ci_lo": null,188 "ci_hi": null,189 "page": 6,190 "confidence": "high",191 "notes": "Reference price (billion VND); market variable"192 },193 {194 "model_id": "T4-c1",195 "var_name_printed": "FUR",196 "taxonomy_id": "luxury_finishes",197 "x_transform": "binary",198 "x_unit": "binary",199 "beta": 0.324,200 "se": null,201 "t": null,202 "p": 0.0,203 "p_stars": "***",204 "ci_lo": null,205 "ci_hi": null,206 "page": 6,207 "confidence": "high",208 "notes": "Interior: 1 high-end, 0 budget"209 },210 {211 "model_id": "T4-c2",212 "var_name_printed": "FUR",213 "taxonomy_id": "luxury_finishes",214 "x_transform": "binary",215 "x_unit": "binary",216 "beta": 0.324,217 "se": null,218 "t": null,219 "p": 0.0,220 "p_stars": "***",221 "ci_lo": null,222 "ci_hi": null,223 "page": 6,224 "confidence": "high",225 "notes": "Interior: 1 high-end, 0 budget"226 },227 {228 "model_id": "T4-c1",229 "var_name_printed": "VIEW",230 "taxonomy_id": "view",231 "x_transform": "binary",232 "x_unit": "binary",233 "beta": 0.056,234 "se": null,235 "t": null,236 "p": 0.397,237 "p_stars": "",238 "ci_lo": null,239 "ci_hi": null,240 "page": 6,241 "confidence": "high",242 "notes": "1 = river/lake/park view"243 },244 {245 "model_id": "T4-c2",246 "var_name_printed": "VIEW",247 "taxonomy_id": "view",248 "x_transform": "binary",249 "x_unit": "binary",250 "beta": 0.045,251 "se": null,252 "t": null,253 "p": 0.443,254 "p_stars": "",255 "ci_lo": null,256 "ci_hi": null,257 "page": 6,258 "confidence": "high",259 "notes": "1 = river/lake/park view"260 },261 {262 "model_id": "T4-c1",263 "var_name_printed": "IN-ENVI",264 "taxonomy_id": "recreation_private",265 "x_transform": "binary",266 "x_unit": "binary",267 "beta": -0.011,268 "se": null,269 "t": null,270 "p": 0.875,271 "p_stars": "",272 "ci_lo": null,273 "ci_hi": null,274 "page": 6,275 "confidence": "high",276 "notes": "1 = project has gym, swimming pool, supermarket"277 },278 {279 "model_id": "T4-c2",280 "var_name_printed": "IN-ENVI",281 "taxonomy_id": "recreation_private",282 "x_transform": "binary",283 "x_unit": "binary",284 "beta": -0.02,285 "se": null,286 "t": null,287 "p": 0.759,288 "p_stars": "",289 "ci_lo": null,290 "ci_hi": null,291 "page": 6,292 "confidence": "high",293 "notes": "1 = project has gym, swimming pool, supermarket"294 },295 {296 "model_id": "T4-c1",297 "var_name_printed": "INVEST",298 "taxonomy_id": "other",299 "x_transform": "binary",300 "x_unit": "binary",301 "beta": 0.009,302 "se": null,303 "t": null,304 "p": 0.899,305 "p_stars": "",306 "ci_lo": null,307 "ci_hi": null,308 "page": 6,309 "confidence": "high",310 "notes": "Investor reputation: 1 = at least 2 projects"311 },312 {313 "model_id": "T4-c2",314 "var_name_printed": "INVEST",315 "taxonomy_id": "other",316 "x_transform": "binary",317 "x_unit": "binary",318 "beta": 0.027,319 "se": null,320 "t": null,321 "p": 0.666,322 "p_stars": "",323 "ci_lo": null,324 "ci_hi": null,325 "page": 6,326 "confidence": "high",327 "notes": "Investor reputation: 1 = at least 2 projects"328 },329 {330 "model_id": "T4-c1",331 "var_name_printed": "LEG",332 "taxonomy_id": "other",333 "x_transform": "binary",334 "x_unit": "binary",335 "beta": 0.009,336 "se": null,337 "t": null,338 "p": 0.897,339 "p_stars": "",340 "ci_lo": null,341 "ci_hi": null,342 "page": 6,343 "confidence": "high",344 "notes": "Legal status: 1 = has pink book"345 },346 {347 "model_id": "T4-c2",348 "var_name_printed": "LEG",349 "taxonomy_id": "other",350 "x_transform": "binary",351 "x_unit": "binary",352 "beta": -0.071,353 "se": null,354 "t": null,355 "p": 0.281,356 "p_stars": "",357 "ci_lo": null,358 "ci_hi": null,359 "page": 6,360 "confidence": "high",361 "notes": "Legal status: 1 = has pink book"362 },363 {364 "model_id": "T4-c1",365 "var_name_printed": "ULSTRUCTURE",366 "taxonomy_id": "other",367 "x_transform": "binary",368 "x_unit": "binary",369 "beta": -0.145,370 "se": null,371 "t": null,372 "p": 0.044,373 "p_stars": "**",374 "ci_lo": null,375 "ci_hi": null,376 "page": 6,377 "confidence": "high",378 "notes": "Planned supermarket/school/administrative works nearby next year"379 },380 {381 "model_id": "T4-c2",382 "var_name_printed": "ULSTRUCTURE",383 "taxonomy_id": "other",384 "x_transform": "binary",385 "x_unit": "binary",386 "beta": -0.167,387 "se": null,388 "t": null,389 "p": 0.009,390 "p_stars": "***",391 "ci_lo": null,392 "ci_hi": null,393 "page": 6,394 "confidence": "high",395 "notes": "Planned supermarket/school/administrative works nearby next year"396 },397 {398 "model_id": "T4-c1",399 "var_name_printed": "TREND",400 "taxonomy_id": "other",401 "x_transform": "binary",402 "x_unit": "binary",403 "beta": -0.083,404 "se": null,405 "t": null,406 "p": 0.133,407 "p_stars": "",408 "ci_lo": null,409 "ci_hi": null,410 "page": 6,411 "confidence": "high",412 "notes": "Expected price trend: 1 = uptrend; market expectation variable"413 },414 {415 "model_id": "T4-c2",416 "var_name_printed": "TREND",417 "taxonomy_id": "other",418 "x_transform": "binary",419 "x_unit": "binary",420 "beta": -0.091,421 "se": null,422 "t": null,423 "p": 0.065,424 "p_stars": "*",425 "ci_lo": null,426 "ci_hi": null,427 "page": 6,428 "confidence": "high",429 "notes": "Expected price trend: 1 = uptrend; market expectation variable"430 },431 {432 "model_id": "T4-c1",433 "var_name_printed": "WCBR",434 "taxonomy_id": "bedrooms",435 "x_transform": "level",436 "x_unit": "count",437 "beta": 0.379,438 "se": null,439 "t": null,440 "p": 0.0,441 "p_stars": "***",442 "ci_lo": null,443 "ci_hi": null,444 "page": 6,445 "confidence": "high",446 "notes": "Combined number of toilets and bedrooms (Model 1 only)"447 },448 {449 "model_id": "T4-c2",450 "var_name_printed": "SQUA",451 "taxonomy_id": "living_area",452 "x_transform": "level",453 "x_unit": "m2",454 "beta": 0.016,455 "se": null,456 "t": null,457 "p": 0.0,458 "p_stars": "***",459 "ci_lo": null,460 "ci_hi": null,461 "page": 6,462 "confidence": "high",463 "notes": "Apartment area m2 (Model 2 only)"464 }465 ]466}