1{2 "record_id": "784bd147866d1ec15bbfa3c42d3c2fc6a9ac3192",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "The economic value of sustainability. Real estate market and energy performance of homes",7 "year": 2023,8 "doi": "10.48264/vvsiev-20233402",9 "country": "Italy",10 "region_city": "Padua, Mestre (Venice), Bergamo",11 "sample_start": 2022,12 "sample_end": 2023,13 "property_type": "mixed",14 "price_type": "listing",15 "data_source": "Ask prices from Immobiliare.it collected December 2022 - January 2023 (901 listings: Padua 354, Mestre 254, Bergamo 293)",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none (ordinal OMI zone variable)",21 "time_fe": false,22 "location_fe": false,23 "se_type": "unknown",24 "n_obs_total": 901,25 "ai_methods": [],26 "notes": "Semi-log model: dependent variable is the natural log of the ask price per square metre (EUR/sqm). Tables 6 (p. 9) and 7 (p. 10) print coefficients and p-values only (no SE or t). Ordinal codings (Table 1, p. 6): Zone (OMI) 1=centre, 2=semi-central, 3=suburbs; Proximity to local transport 1=up to 200 m, 2=201-500 m, 3=over 500 m; Energy class (EPC) 1=A4 ... 6=A, 7=B, 8=C, 9=D, 10=E, 11=F, 12=G (higher = less efficient); Maintenance status ordinal 1-4 (new/under construction, excellent/renovated, good/habitable, very bad/in need of renovation; higher = worse, hence negative sign); Type 0=villa, 1=apartment (dropped from all models). Mostly apartments (Type mean 0.94-0.99). Variables printed as '-' were not retained in the city model. n_obs per model taken from descriptive tables (ANOVA df: Padua 354, Mestre 254, Bergamo 293)."27 },28 "models": [29 {30 "model_id": "T6-Padua",31 "table": "6",32 "column": "Padua",33 "page": 7,34 "dep_var": "ln ask price per sqm (EUR/sqm)",35 "dep_transform": "per_m2",36 "estimator": "OLS",37 "n_obs": 354,38 "r2": 0.519,39 "se_or_t_in_parentheses": "p",40 "sample_subset": "Padua; EPC as ordinal variable"41 },42 {43 "model_id": "T6-Mestre",44 "table": "6",45 "column": "Mestre",46 "page": 7,47 "dep_var": "ln ask price per sqm (EUR/sqm)",48 "dep_transform": "per_m2",49 "estimator": "OLS",50 "n_obs": 254,51 "r2": 0.522,52 "se_or_t_in_parentheses": "p",53 "sample_subset": "Mestre; EPC as ordinal variable"54 },55 {56 "model_id": "T6-Bergamo",57 "table": "6",58 "column": "Bergamo",59 "page": 7,60 "dep_var": "ln ask price per sqm (EUR/sqm)",61 "dep_transform": "per_m2",62 "estimator": "OLS",63 "n_obs": 293,64 "r2": 0.359,65 "se_or_t_in_parentheses": "p",66 "sample_subset": "Bergamo; EPC as ordinal variable"67 },68 {69 "model_id": "T7-Padua",70 "table": "7",71 "column": "Padua",72 "page": 8,73 "dep_var": "ln ask price per sqm (EUR/sqm)",74 "dep_transform": "per_m2",75 "estimator": "OLS",76 "n_obs": 354,77 "r2": 0.509,78 "se_or_t_in_parentheses": "p",79 "sample_subset": "Padua; EPC as two dummies (A-B, C-D vs E-G)"80 },81 {82 "model_id": "T7-Mestre",83 "table": "7",84 "column": "Mestre",85 "page": 8,86 "dep_var": "ln ask price per sqm (EUR/sqm)",87 "dep_transform": "per_m2",88 "estimator": "OLS",89 "n_obs": 254,90 "r2": 0.513,91 "se_or_t_in_parentheses": "p",92 "sample_subset": "Mestre; EPC as two dummies"93 },94 {95 "model_id": "T7-Bergamo",96 "table": "7",97 "column": "Bergamo",98 "page": 8,99 "dep_var": "ln ask price per sqm (EUR/sqm)",100 "dep_transform": "per_m2",101 "estimator": "OLS",102 "n_obs": 293,103 "r2": 0.349,104 "se_or_t_in_parentheses": "p",105 "sample_subset": "Bergamo; EPC as two dummies"106 }107 ],108 "coefficients": [109 {110 "model_id": "T6-Padua",111 "var_name_printed": "Zone (OMI)",112 "taxonomy_id": "cbd_distance",113 "x_transform": "other",114 "x_unit": "ordinal (1=centre, 2=semi-central, 3=suburbs)",115 "beta": -0.244,116 "se": null,117 "t": null,118 "p": 0.001,119 "p_stars": "",120 "ci_lo": null,121 "ci_hi": null,122 "page": 7,123 "confidence": "high",124 "notes": "OMI macro-area ordinal code; higher = farther from centre; p-value printed as <0.001 (recorded as 0.001 upper bound)"125 },126 {127 "model_id": "T6-Padua",128 "var_name_printed": "Proximity to local transport infrastructure",129 "taxonomy_id": "transit_distance",130 "x_transform": "other",131 "x_unit": "ordinal (1=<=200 m, 2=201-500 m, 3=>500 m)",132 "beta": -0.115,133 "se": null,134 "t": null,135 "p": 0.001,136 "p_stars": "",137 "ci_lo": null,138 "ci_hi": null,139 "page": 7,140 "confidence": "high",141 "notes": "Ordinal distance class to local public transport; p-value printed as <0.001 (recorded as 0.001 upper bound)"142 },143 {144 "model_id": "T6-Padua",145 "var_name_printed": "Energy class (EPC)",146 "taxonomy_id": "energy_efficiency",147 "x_transform": "other",148 "x_unit": "ordinal (1=A4 ... 12=G)",149 "beta": -0.049,150 "se": null,151 "t": null,152 "p": 0.001,153 "p_stars": "",154 "ci_lo": null,155 "ci_hi": null,156 "page": 7,157 "confidence": "high",158 "notes": "EPC class ordinal code; higher = less efficient; p-value printed as <0.001 (recorded as 0.001 upper bound)"159 },160 {161 "model_id": "T6-Padua",162 "var_name_printed": "Gross floor area",163 "taxonomy_id": "living_area",164 "x_transform": "level",165 "x_unit": "m2",166 "beta": -0.001,167 "se": null,168 "t": null,169 "p": 0.001,170 "p_stars": "",171 "ci_lo": null,172 "ci_hi": null,173 "page": 7,174 "confidence": "high",175 "notes": "Gross floor area in sqm; dependent variable is price per sqm; p-value printed as <0.001 (recorded as 0.001 upper bound)"176 },177 {178 "model_id": "T6-Padua",179 "var_name_printed": "Maintenance status",180 "taxonomy_id": "condition",181 "x_transform": "other",182 "x_unit": "ordinal (1=new ... 4=very bad)",183 "beta": -0.114,184 "se": null,185 "t": null,186 "p": 0.001,187 "p_stars": "",188 "ci_lo": null,189 "ci_hi": null,190 "page": 7,191 "confidence": "high",192 "notes": "Maintenance status ordinal code; higher = worse condition; p-value printed as <0.001 (recorded as 0.001 upper bound)"193 },194 {195 "model_id": "T6-Mestre",196 "var_name_printed": "Proximity to local transport infrastructure",197 "taxonomy_id": "transit_distance",198 "x_transform": "other",199 "x_unit": "ordinal (1=<=200 m, 2=201-500 m, 3=>500 m)",200 "beta": -0.032,201 "se": null,202 "t": null,203 "p": 0.034,204 "p_stars": "",205 "ci_lo": null,206 "ci_hi": null,207 "page": 7,208 "confidence": "high",209 "notes": "Ordinal distance class to local public transport"210 },211 {212 "model_id": "T6-Mestre",213 "var_name_printed": "Energy class (EPC)",214 "taxonomy_id": "energy_efficiency",215 "x_transform": "other",216 "x_unit": "ordinal (1=A4 ... 12=G)",217 "beta": -0.039,218 "se": null,219 "t": null,220 "p": 0.001,221 "p_stars": "",222 "ci_lo": null,223 "ci_hi": null,224 "page": 7,225 "confidence": "high",226 "notes": "EPC class ordinal code; higher = less efficient; p-value printed as <0.001 (recorded as 0.001 upper bound)"227 },228 {229 "model_id": "T6-Mestre",230 "var_name_printed": "No. of bathrooms",231 "taxonomy_id": "bathrooms",232 "x_transform": "level",233 "x_unit": "count",234 "beta": 0.161,235 "se": null,236 "t": null,237 "p": 0.001,238 "p_stars": "",239 "ci_lo": null,240 "ci_hi": null,241 "page": 7,242 "confidence": "high",243 "notes": "Number of bathrooms; p-value printed as <0.001 (recorded as 0.001 upper bound)"244 },245 {246 "model_id": "T6-Mestre",247 "var_name_printed": "Gross floor area",248 "taxonomy_id": "living_area",249 "x_transform": "level",250 "x_unit": "m2",251 "beta": -0.003,252 "se": null,253 "t": null,254 "p": 0.001,255 "p_stars": "",256 "ci_lo": null,257 "ci_hi": null,258 "page": 7,259 "confidence": "high",260 "notes": "Gross floor area in sqm; dependent variable is price per sqm; p-value printed as <0.001 (recorded as 0.001 upper bound)"261 },262 {263 "model_id": "T6-Mestre",264 "var_name_printed": "Maintenance status",265 "taxonomy_id": "condition",266 "x_transform": "other",267 "x_unit": "ordinal (1=new ... 4=very bad)",268 "beta": -0.097,269 "se": null,270 "t": null,271 "p": 0.001,272 "p_stars": "",273 "ci_lo": null,274 "ci_hi": null,275 "page": 7,276 "confidence": "high",277 "notes": "Maintenance status ordinal code; higher = worse condition; p-value printed as <0.001 (recorded as 0.001 upper bound)"278 },279 {280 "model_id": "T6-Bergamo",281 "var_name_printed": "Zone (OMI)",282 "taxonomy_id": "cbd_distance",283 "x_transform": "other",284 "x_unit": "ordinal (1=centre, 2=semi-central, 3=suburbs)",285 "beta": -0.061,286 "se": null,287 "t": null,288 "p": 0.002,289 "p_stars": "",290 "ci_lo": null,291 "ci_hi": null,292 "page": 7,293 "confidence": "high",294 "notes": "OMI macro-area ordinal code; higher = farther from centre"295 },296 {297 "model_id": "T6-Bergamo",298 "var_name_printed": "Energy class (EPC)",299 "taxonomy_id": "energy_efficiency",300 "x_transform": "other",301 "x_unit": "ordinal (1=A4 ... 12=G)",302 "beta": -0.043,303 "se": null,304 "t": null,305 "p": 0.001,306 "p_stars": "",307 "ci_lo": null,308 "ci_hi": null,309 "page": 7,310 "confidence": "high",311 "notes": "EPC class ordinal code; higher = less efficient; p-value printed as <0.001 (recorded as 0.001 upper bound)"312 },313 {314 "model_id": "T6-Bergamo",315 "var_name_printed": "No. of bathrooms",316 "taxonomy_id": "bathrooms",317 "x_transform": "level",318 "x_unit": "count",319 "beta": 0.275,320 "se": null,321 "t": null,322 "p": 0.001,323 "p_stars": "",324 "ci_lo": null,325 "ci_hi": null,326 "page": 7,327 "confidence": "high",328 "notes": "Number of bathrooms; p-value printed as <0.001 (recorded as 0.001 upper bound)"329 },330 {331 "model_id": "T6-Bergamo",332 "var_name_printed": "Gross floor area",333 "taxonomy_id": "living_area",334 "x_transform": "level",335 "x_unit": "m2",336 "beta": -0.002,337 "se": null,338 "t": null,339 "p": 0.001,340 "p_stars": "",341 "ci_lo": null,342 "ci_hi": null,343 "page": 7,344 "confidence": "high",345 "notes": "Gross floor area in sqm; dependent variable is price per sqm; p-value printed as <0.001 (recorded as 0.001 upper bound)"346 },347 {348 "model_id": "T6-Bergamo",349 "var_name_printed": "Maintenance status",350 "taxonomy_id": "condition",351 "x_transform": "other",352 "x_unit": "ordinal (1=new ... 4=very bad)",353 "beta": -0.066,354 "se": null,355 "t": null,356 "p": 0.024,357 "p_stars": "",358 "ci_lo": null,359 "ci_hi": null,360 "page": 7,361 "confidence": "high",362 "notes": "Maintenance status ordinal code; higher = worse condition"363 },364 {365 "model_id": "T7-Padua",366 "var_name_printed": "Zone (OMI)",367 "taxonomy_id": "cbd_distance",368 "x_transform": "other",369 "x_unit": "ordinal (1=centre, 2=semi-central, 3=suburbs)",370 "beta": -0.235,371 "se": null,372 "t": null,373 "p": 0.001,374 "p_stars": "",375 "ci_lo": null,376 "ci_hi": null,377 "page": 8,378 "confidence": "high",379 "notes": "OMI macro-area ordinal code; higher = farther from centre; p-value printed as <0.001 (recorded as 0.001 upper bound)"380 },381 {382 "model_id": "T7-Padua",383 "var_name_printed": "Proximity to local transport infrastructure",384 "taxonomy_id": "transit_distance",385 "x_transform": "other",386 "x_unit": "ordinal (1=<=200 m, 2=201-500 m, 3=>500 m)",387 "beta": -0.119,388 "se": null,389 "t": null,390 "p": 0.001,391 "p_stars": "",392 "ci_lo": null,393 "ci_hi": null,394 "page": 8,395 "confidence": "high",396 "notes": "Ordinal distance class to local public transport; p-value printed as <0.001 (recorded as 0.001 upper bound)"397 },398 {399 "model_id": "T7-Padua",400 "var_name_printed": "High energy efficiency (Classes A and B)",401 "taxonomy_id": "energy_efficiency",402 "x_transform": "dummy",403 "x_unit": "binary",404 "beta": 0.316,405 "se": null,406 "t": null,407 "p": 0.001,408 "p_stars": "",409 "ci_lo": null,410 "ci_hi": null,411 "page": 8,412 "confidence": "high",413 "notes": "Dummy for EPC classes A and B; base = classes E, F, G; p-value printed as <0.001 (recorded as 0.001 upper bound)"414 },415 {416 "model_id": "T7-Padua",417 "var_name_printed": "Medium energy efficiency (Classes C and D)",418 "taxonomy_id": "energy_efficiency",419 "x_transform": "dummy",420 "x_unit": "binary",421 "beta": 0.179,422 "se": null,423 "t": null,424 "p": 0.001,425 "p_stars": "",426 "ci_lo": null,427 "ci_hi": null,428 "page": 8,429 "confidence": "high",430 "notes": "Dummy for EPC classes C and D; base = classes E, F, G; p-value printed as <0.001 (recorded as 0.001 upper bound)"431 },432 {433 "model_id": "T7-Padua",434 "var_name_printed": "Gross floor area",435 "taxonomy_id": "living_area",436 "x_transform": "level",437 "x_unit": "m2",438 "beta": -0.001,439 "se": null,440 "t": null,441 "p": 0.001,442 "p_stars": "",443 "ci_lo": null,444 "ci_hi": null,445 "page": 8,446 "confidence": "high",447 "notes": "Gross floor area in sqm; dependent variable is price per sqm; p-value printed as <0.001 (recorded as 0.001 upper bound)"448 },449 {450 "model_id": "T7-Padua",451 "var_name_printed": "Maintenance status",452 "taxonomy_id": "condition",453 "x_transform": "other",454 "x_unit": "ordinal (1=new ... 4=very bad)",455 "beta": -0.131,456 "se": null,457 "t": null,458 "p": 0.001,459 "p_stars": "",460 "ci_lo": null,461 "ci_hi": null,462 "page": 8,463 "confidence": "high",464 "notes": "Maintenance status ordinal code; higher = worse condition; p-value printed as <0.001 (recorded as 0.001 upper bound)"465 },466 {467 "model_id": "T7-Mestre",468 "var_name_printed": "High energy efficiency (Classes A and B)",469 "taxonomy_id": "energy_efficiency",470 "x_transform": "dummy",471 "x_unit": "binary",472 "beta": 0.317,473 "se": null,474 "t": null,475 "p": 0.001,476 "p_stars": "",477 "ci_lo": null,478 "ci_hi": null,479 "page": 8,480 "confidence": "high",481 "notes": "Dummy for EPC classes A and B; base = classes E, F, G; p-value printed as <0.001 (recorded as 0.001 upper bound)"482 },483 {484 "model_id": "T7-Mestre",485 "var_name_printed": "Medium energy efficiency (Classes C and D)",486 "taxonomy_id": "energy_efficiency",487 "x_transform": "dummy",488 "x_unit": "binary",489 "beta": 0.179,490 "se": null,491 "t": null,492 "p": 0.001,493 "p_stars": "",494 "ci_lo": null,495 "ci_hi": null,496 "page": 8,497 "confidence": "high",498 "notes": "Dummy for EPC classes C and D; base = classes E, F, G; p-value printed as <0.001 (recorded as 0.001 upper bound)"499 },500 {501 "model_id": "T7-Mestre",502 "var_name_printed": "Number of bathrooms",503 "taxonomy_id": "bathrooms",504 "x_transform": "level",505 "x_unit": "count",506 "beta": 0.172,507 "se": null,508 "t": null,509 "p": 0.001,510 "p_stars": "",511 "ci_lo": null,512 "ci_hi": null,513 "page": 8,514 "confidence": "high",515 "notes": "Number of bathrooms; p-value printed as <0.001 (recorded as 0.001 upper bound)"516 },517 {518 "model_id": "T7-Mestre",519 "var_name_printed": "Gross floor area",520 "taxonomy_id": "living_area",521 "x_transform": "level",522 "x_unit": "m2",523 "beta": -0.003,524 "se": null,525 "t": null,526 "p": 0.001,527 "p_stars": "",528 "ci_lo": null,529 "ci_hi": null,530 "page": 8,531 "confidence": "high",532 "notes": "Gross floor area in sqm; dependent variable is price per sqm; p-value printed as <0.001 (recorded as 0.001 upper bound)"533 },534 {535 "model_id": "T7-Mestre",536 "var_name_printed": "Maintenance status",537 "taxonomy_id": "condition",538 "x_transform": "other",539 "x_unit": "ordinal (1=new ... 4=very bad)",540 "beta": -0.103,541 "se": null,542 "t": null,543 "p": 0.001,544 "p_stars": "",545 "ci_lo": null,546 "ci_hi": null,547 "page": 8,548 "confidence": "high",549 "notes": "Maintenance status ordinal code; higher = worse condition; p-value printed as <0.001 (recorded as 0.001 upper bound)"550 },551 {552 "model_id": "T7-Bergamo",553 "var_name_printed": "Zone (OMI)",554 "taxonomy_id": "cbd_distance",555 "x_transform": "other",556 "x_unit": "ordinal (1=centre, 2=semi-central, 3=suburbs)",557 "beta": -0.061,558 "se": null,559 "t": null,560 "p": 0.002,561 "p_stars": "",562 "ci_lo": null,563 "ci_hi": null,564 "page": 8,565 "confidence": "high",566 "notes": "OMI macro-area ordinal code; higher = farther from centre"567 },568 {569 "model_id": "T7-Bergamo",570 "var_name_printed": "High energy efficiency (Classes A and B)",571 "taxonomy_id": "energy_efficiency",572 "x_transform": "dummy",573 "x_unit": "binary",574 "beta": 0.231,575 "se": null,576 "t": null,577 "p": 0.001,578 "p_stars": "",579 "ci_lo": null,580 "ci_hi": null,581 "page": 8,582 "confidence": "high",583 "notes": "Dummy for EPC classes A and B; base = classes E, F, G; p-value printed as <0.001 (recorded as 0.001 upper bound)"584 },585 {586 "model_id": "T7-Bergamo",587 "var_name_printed": "Medium energy efficiency (Classes C and D)",588 "taxonomy_id": "energy_efficiency",589 "x_transform": "dummy",590 "x_unit": "binary",591 "beta": 0.111,592 "se": null,593 "t": null,594 "p": 0.024,595 "p_stars": "",596 "ci_lo": null,597 "ci_hi": null,598 "page": 8,599 "confidence": "high",600 "notes": "Dummy for EPC classes C and D; base = classes E, F, G"601 },602 {603 "model_id": "T7-Bergamo",604 "var_name_printed": "Number of bathrooms",605 "taxonomy_id": "bathrooms",606 "x_transform": "level",607 "x_unit": "count",608 "beta": 0.286,609 "se": null,610 "t": null,611 "p": 0.001,612 "p_stars": "",613 "ci_lo": null,614 "ci_hi": null,615 "page": 8,616 "confidence": "high",617 "notes": "Number of bathrooms; p-value printed as <0.001 (recorded as 0.001 upper bound)"618 },619 {620 "model_id": "T7-Bergamo",621 "var_name_printed": "Gross floor area",622 "taxonomy_id": "living_area",623 "x_transform": "level",624 "x_unit": "m2",625 "beta": -0.002,626 "se": null,627 "t": null,628 "p": 0.002,629 "p_stars": "",630 "ci_lo": null,631 "ci_hi": null,632 "page": 8,633 "confidence": "high",634 "notes": "Gross floor area in sqm; dependent variable is price per sqm"635 },636 {637 "model_id": "T7-Bergamo",638 "var_name_printed": "Maintenance status",639 "taxonomy_id": "condition",640 "x_transform": "other",641 "x_unit": "ordinal (1=new ... 4=very bad)",642 "beta": -0.082,643 "se": null,644 "t": null,645 "p": 0.006,646 "p_stars": "",647 "ci_lo": null,648 "ci_hi": null,649 "page": 8,650 "confidence": "high",651 "notes": "Maintenance status ordinal code; higher = worse condition"652 }653 ]654}