1{2 "record_id": "18a3ce8a193301208557e0d6f2d027166917cb25",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Impact of ground source heat pumps on house sales prices in Finland",7 "year": 2023,8 "doi": "10.1007/s12053-023-10084-x",9 "country": "Finland",10 "region_city": "Eight cities: Helsinki, Espoo, Vantaa, Turku, Tampere, Lahti, Kuopio, Oulu",11 "sample_start": 1999,12 "sample_end": 2018,13 "property_type": "single_family",14 "price_type": "transaction",15 "data_source": "Central Federation of Finnish Real Estate Agencies (KVKL) housing transaction database, 19,008 detached-house transactions 1999-2018",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "none (postcode fixed effects)",21 "time_fe": true,22 "location_fe": true,23 "se_type": "unknown",24 "n_obs_total": 19008,25 "ai_methods": [],26 "notes": "Log sales price (EUR) of detached houses. Two specifications: A = GSHP true/false (other heating types pooled); B = each heating type as own category, direct electricity omitted. Table 4 reports the full specification (sale year + month FE, postcode FE, neighbourhood characteristics, building characteristics) with coefficients and SE; Table 5 reports only heating coefficients for nested specifications 1-4c (column 4 = Table 4). Table 6 interactions of GSHP with sale year and municipality are not extracted. Neighbourhood characteristics coefficients not printed. Condition reference = decent; lot ownership reference = own. Star legend *** 1%, ** 5%, * 10%."27 },28 "models": [29 {30 "model_id": "T4-A",31 "table": "4",32 "column": "GSHP (A)",33 "page": 8,34 "dep_var": "log sales price (EUR)",35 "dep_transform": "log",36 "estimator": "OLS",37 "n_obs": 19008,38 "r2": 0.851,39 "se_or_t_in_parentheses": "se",40 "sample_subset": "Spec A: GSHP true/false; full controls, year+month FE, postcode FE, neighbourhood characteristics; adj. R2"41 },42 {43 "model_id": "T4-B",44 "table": "4",45 "column": "Heating type (B)",46 "page": 8,47 "dep_var": "log sales price (EUR)",48 "dep_transform": "log",49 "estimator": "OLS",50 "n_obs": 19008,51 "r2": 0.851,52 "se_or_t_in_parentheses": "se",53 "sample_subset": "Spec B: heating type categories (direct electricity omitted); full controls, year+month FE, postcode FE, neighbourhood characteristics; adj. R2"54 },55 {56 "model_id": "T5-A-c1",57 "table": "5",58 "column": "A-1",59 "page": 9,60 "dep_var": "log sales price (EUR)",61 "dep_transform": "log",62 "estimator": "OLS",63 "n_obs": 19008,64 "r2": 0.1309,65 "se_or_t_in_parentheses": "se",66 "sample_subset": "Spec A (GSHP true/false), sensitivity column 1: year+month FE only; adj. R2; column 4 = Table 4 (not duplicated)"67 },68 {69 "model_id": "T5-B-c1",70 "table": "5",71 "column": "B-1",72 "page": 9,73 "dep_var": "log sales price (EUR)",74 "dep_transform": "log",75 "estimator": "OLS",76 "n_obs": 19008,77 "r2": 0.148,78 "se_or_t_in_parentheses": "se",79 "sample_subset": "Spec B (heating type categories), sensitivity column 1: year+month FE only; adj. R2; column 4 = Table 4 (not duplicated)"80 },81 {82 "model_id": "T5-A-c2",83 "table": "5",84 "column": "A-2",85 "page": 9,86 "dep_var": "log sales price (EUR)",87 "dep_transform": "log",88 "estimator": "OLS",89 "n_obs": 19008,90 "r2": 0.6179,91 "se_or_t_in_parentheses": "se",92 "sample_subset": "Spec A (GSHP true/false), sensitivity column 2: + postcode FE; adj. R2; column 4 = Table 4 (not duplicated)"93 },94 {95 "model_id": "T5-B-c2",96 "table": "5",97 "column": "B-2",98 "page": 9,99 "dep_var": "log sales price (EUR)",100 "dep_transform": "log",101 "estimator": "OLS",102 "n_obs": 19008,103 "r2": 0.6228,104 "se_or_t_in_parentheses": "se",105 "sample_subset": "Spec B (heating type categories), sensitivity column 2: + postcode FE; adj. R2; column 4 = Table 4 (not duplicated)"106 },107 {108 "model_id": "T5-A-c3",109 "table": "5",110 "column": "A-3",111 "page": 9,112 "dep_var": "log sales price (EUR)",113 "dep_transform": "log",114 "estimator": "OLS",115 "n_obs": 19008,116 "r2": 0.6332,117 "se_or_t_in_parentheses": "se",118 "sample_subset": "Spec A (GSHP true/false), sensitivity column 3: + neighbourhood characteristics; adj. R2; column 4 = Table 4 (not duplicated)"119 },120 {121 "model_id": "T5-B-c3",122 "table": "5",123 "column": "B-3",124 "page": 9,125 "dep_var": "log sales price (EUR)",126 "dep_transform": "log",127 "estimator": "OLS",128 "n_obs": 19008,129 "r2": 0.6368,130 "se_or_t_in_parentheses": "se",131 "sample_subset": "Spec B (heating type categories), sensitivity column 3: + neighbourhood characteristics; adj. R2; column 4 = Table 4 (not duplicated)"132 },133 {134 "model_id": "T5-A-c4a",135 "table": "5",136 "column": "A-4a",137 "page": 9,138 "dep_var": "log sales price (EUR)",139 "dep_transform": "log",140 "estimator": "OLS",141 "n_obs": 19008,142 "r2": 0.8282,143 "se_or_t_in_parentheses": "se",144 "sample_subset": "Spec A (GSHP true/false), sensitivity column 4a: full model excluding age; adj. R2; column 4 = Table 4 (not duplicated)"145 },146 {147 "model_id": "T5-B-c4a",148 "table": "5",149 "column": "B-4a",150 "page": 9,151 "dep_var": "log sales price (EUR)",152 "dep_transform": "log",153 "estimator": "OLS",154 "n_obs": 19008,155 "r2": 0.8303,156 "se_or_t_in_parentheses": "se",157 "sample_subset": "Spec B (heating type categories), sensitivity column 4a: full model excluding age; adj. R2; column 4 = Table 4 (not duplicated)"158 },159 {160 "model_id": "T5-A-c4b",161 "table": "5",162 "column": "A-4b",163 "page": 9,164 "dep_var": "log sales price (EUR)",165 "dep_transform": "log",166 "estimator": "OLS",167 "n_obs": 19008,168 "r2": 0.8119,169 "se_or_t_in_parentheses": "se",170 "sample_subset": "Spec A (GSHP true/false), sensitivity column 4b: full model excluding condition; adj. R2; column 4 = Table 4 (not duplicated)"171 },172 {173 "model_id": "T5-B-c4b",174 "table": "5",175 "column": "B-4b",176 "page": 9,177 "dep_var": "log sales price (EUR)",178 "dep_transform": "log",179 "estimator": "OLS",180 "n_obs": 19008,181 "r2": 0.8124,182 "se_or_t_in_parentheses": "se",183 "sample_subset": "Spec B (heating type categories), sensitivity column 4b: full model excluding condition; adj. R2; column 4 = Table 4 (not duplicated)"184 },185 {186 "model_id": "T5-A-c4c",187 "table": "5",188 "column": "A-4c",189 "page": 9,190 "dep_var": "log sales price (EUR)",191 "dep_transform": "log",192 "estimator": "OLS",193 "n_obs": 19008,194 "r2": 0.7609,195 "se_or_t_in_parentheses": "se",196 "sample_subset": "Spec A (GSHP true/false), sensitivity column 4c: full model excluding age and condition; adj. R2; column 4 = Table 4 (not duplicated)"197 },198 {199 "model_id": "T5-B-c4c",200 "table": "5",201 "column": "B-4c",202 "page": 9,203 "dep_var": "log sales price (EUR)",204 "dep_transform": "log",205 "estimator": "OLS",206 "n_obs": 19008,207 "r2": 0.7658,208 "se_or_t_in_parentheses": "se",209 "sample_subset": "Spec B (heating type categories), sensitivity column 4c: full model excluding age and condition; adj. R2; column 4 = Table 4 (not duplicated)"210 }211 ],212 "coefficients": [213 {214 "model_id": "T4-A",215 "var_name_printed": "C(GSHP)[T.True]",216 "taxonomy_id": "heating",217 "x_transform": "binary",218 "x_unit": "binary",219 "beta": 0.0519,220 "se": 0.006,221 "t": null,222 "p": null,223 "p_stars": "***",224 "ci_lo": null,225 "ci_hi": null,226 "page": 8,227 "confidence": "high",228 "notes": "Ground source heat pump vs all other heating types"229 },230 {231 "model_id": "T4-B",232 "var_name_printed": "C(heating_type)[T.district_heating]",233 "taxonomy_id": "heating",234 "x_transform": "binary",235 "x_unit": "binary",236 "beta": 0.0126,237 "se": 0.0046,238 "t": null,239 "p": null,240 "p_stars": "***",241 "ci_lo": null,242 "ci_hi": null,243 "page": 8,244 "confidence": "high",245 "notes": "District heating vs direct electricity"246 },247 {248 "model_id": "T4-B",249 "var_name_printed": "C(heating_type)[T.GSHP]",250 "taxonomy_id": "heating",251 "x_transform": "binary",252 "x_unit": "binary",253 "beta": 0.0474,254 "se": 0.0062,255 "t": null,256 "p": null,257 "p_stars": "***",258 "ci_lo": null,259 "ci_hi": null,260 "page": 8,261 "confidence": "high",262 "notes": "Ground source heat pump vs direct electricity"263 },264 {265 "model_id": "T4-B",266 "var_name_printed": "C(heating_type)[T.oil]",267 "taxonomy_id": "heating",268 "x_transform": "binary",269 "x_unit": "binary",270 "beta": -0.0228,271 "se": 0.0041,272 "t": null,273 "p": null,274 "p_stars": "***",275 "ci_lo": null,276 "ci_hi": null,277 "page": 8,278 "confidence": "high",279 "notes": "Oil heating vs direct electricity"280 },281 {282 "model_id": "T4-A",283 "var_name_printed": "Sqm",284 "taxonomy_id": "living_area",285 "x_transform": "level",286 "x_unit": "m2",287 "beta": 0.0039,288 "se": 0.0,289 "t": null,290 "p": null,291 "p_stars": "***",292 "ci_lo": null,293 "ci_hi": null,294 "page": 8,295 "confidence": "high",296 "notes": "Floor area in square metres; SE printed as 0.0000"297 },298 {299 "model_id": "T4-A",300 "var_name_printed": "Age",301 "taxonomy_id": "age",302 "x_transform": "level",303 "x_unit": "years",304 "beta": -0.0051,305 "se": 0.0001,306 "t": null,307 "p": null,308 "p_stars": "***",309 "ci_lo": null,310 "ci_hi": null,311 "page": 8,312 "confidence": "high",313 "notes": "Building age in years"314 },315 {316 "model_id": "T4-A",317 "var_name_printed": "Distance to CBD",318 "taxonomy_id": "cbd_distance",319 "x_transform": "level",320 "x_unit": "km",321 "beta": -0.0161,322 "se": 0.0015,323 "t": null,324 "p": null,325 "p_stars": "***",326 "ci_lo": null,327 "ci_hi": null,328 "page": 8,329 "confidence": "high",330 "notes": "Kilometres to CBD (Table 1)"331 },332 {333 "model_id": "T4-A",334 "var_name_printed": "C(condition)[T.excellent]",335 "taxonomy_id": "condition",336 "x_transform": "dummy",337 "x_unit": "ordinal",338 "beta": 0.3189,339 "se": 0.02,340 "t": null,341 "p": null,342 "p_stars": "***",343 "ci_lo": null,344 "ci_hi": null,345 "page": 8,346 "confidence": "high",347 "notes": "Condition excellent vs decent"348 },349 {350 "model_id": "T4-A",351 "var_name_printed": "C(condition)[T.good]",352 "taxonomy_id": "condition",353 "x_transform": "dummy",354 "x_unit": "ordinal",355 "beta": 0.18,356 "se": 0.0037,357 "t": null,358 "p": null,359 "p_stars": "***",360 "ci_lo": null,361 "ci_hi": null,362 "page": 8,363 "confidence": "high",364 "notes": "Condition good vs decent"365 },366 {367 "model_id": "T4-A",368 "var_name_printed": "C(condition)[T.poor]",369 "taxonomy_id": "condition",370 "x_transform": "dummy",371 "x_unit": "ordinal",372 "beta": -0.2987,373 "se": 0.008,374 "t": null,375 "p": null,376 "p_stars": "***",377 "ci_lo": null,378 "ci_hi": null,379 "page": 8,380 "confidence": "high",381 "notes": "Condition poor vs decent"382 },383 {384 "model_id": "T4-A",385 "var_name_printed": "C(lot_ownership)[T.rented]",386 "taxonomy_id": "other",387 "x_transform": "binary",388 "x_unit": "binary",389 "beta": -0.0561,390 "se": 0.004,391 "t": null,392 "p": null,393 "p_stars": "***",394 "ci_lo": null,395 "ci_hi": null,396 "page": 8,397 "confidence": "high",398 "notes": "Leasehold (rented lot) vs owned lot"399 },400 {401 "model_id": "T4-B",402 "var_name_printed": "Sqm",403 "taxonomy_id": "living_area",404 "x_transform": "level",405 "x_unit": "m2",406 "beta": 0.0039,407 "se": 0.0,408 "t": null,409 "p": null,410 "p_stars": "***",411 "ci_lo": null,412 "ci_hi": null,413 "page": 8,414 "confidence": "high",415 "notes": "Floor area in square metres; SE printed as 0.0000"416 },417 {418 "model_id": "T4-B",419 "var_name_printed": "Age",420 "taxonomy_id": "age",421 "x_transform": "level",422 "x_unit": "years",423 "beta": -0.0049,424 "se": 0.0001,425 "t": null,426 "p": null,427 "p_stars": "***",428 "ci_lo": null,429 "ci_hi": null,430 "page": 8,431 "confidence": "high",432 "notes": "Building age in years"433 },434 {435 "model_id": "T4-B",436 "var_name_printed": "Distance to CBD",437 "taxonomy_id": "cbd_distance",438 "x_transform": "level",439 "x_unit": "km",440 "beta": -0.016,441 "se": 0.0015,442 "t": null,443 "p": null,444 "p_stars": "***",445 "ci_lo": null,446 "ci_hi": null,447 "page": 8,448 "confidence": "high",449 "notes": "Kilometres to CBD (Table 1)"450 },451 {452 "model_id": "T4-B",453 "var_name_printed": "C(condition)[T.excellent]",454 "taxonomy_id": "condition",455 "x_transform": "dummy",456 "x_unit": "ordinal",457 "beta": 0.317,458 "se": 0.02,459 "t": null,460 "p": null,461 "p_stars": "***",462 "ci_lo": null,463 "ci_hi": null,464 "page": 8,465 "confidence": "high",466 "notes": "Condition excellent vs decent"467 },468 {469 "model_id": "T4-B",470 "var_name_printed": "C(condition)[T.good]",471 "taxonomy_id": "condition",472 "x_transform": "dummy",473 "x_unit": "ordinal",474 "beta": 0.1791,475 "se": 0.0037,476 "t": null,477 "p": null,478 "p_stars": "***",479 "ci_lo": null,480 "ci_hi": null,481 "page": 8,482 "confidence": "high",483 "notes": "Condition good vs decent"484 },485 {486 "model_id": "T4-B",487 "var_name_printed": "C(condition)[T.poor]",488 "taxonomy_id": "condition",489 "x_transform": "dummy",490 "x_unit": "ordinal",491 "beta": -0.2995,492 "se": 0.008,493 "t": null,494 "p": null,495 "p_stars": "***",496 "ci_lo": null,497 "ci_hi": null,498 "page": 8,499 "confidence": "high",500 "notes": "Condition poor vs decent"501 },502 {503 "model_id": "T4-B",504 "var_name_printed": "C(lot_ownership)[T.rented]",505 "taxonomy_id": "other",506 "x_transform": "binary",507 "x_unit": "binary",508 "beta": -0.0593,509 "se": 0.0041,510 "t": null,511 "p": null,512 "p_stars": "***",513 "ci_lo": null,514 "ci_hi": null,515 "page": 8,516 "confidence": "high",517 "notes": "Leasehold (rented lot) vs owned lot"518 },519 {520 "model_id": "T5-A-c1",521 "var_name_printed": "C(GSHP)[T.True]",522 "taxonomy_id": "heating",523 "x_transform": "binary",524 "x_unit": "binary",525 "beta": 0.2175,526 "se": 0.014,527 "t": null,528 "p": null,529 "p_stars": "***",530 "ci_lo": null,531 "ci_hi": null,532 "page": 9,533 "confidence": "high",534 "notes": "Ground source heat pump vs all other heating types"535 },536 {537 "model_id": "T5-B-c1",538 "var_name_printed": "C(heating_type)[T.district_heating]",539 "taxonomy_id": "heating",540 "x_transform": "binary",541 "x_unit": "binary",542 "beta": 0.0661,543 "se": 0.0089,544 "t": null,545 "p": null,546 "p_stars": "***",547 "ci_lo": null,548 "ci_hi": null,549 "page": 9,550 "confidence": "high",551 "notes": "District heating vs direct electricity"552 },553 {554 "model_id": "T5-B-c1",555 "var_name_printed": "C(heating_type)[T.GSHP]",556 "taxonomy_id": "heating",557 "x_transform": "binary",558 "x_unit": "binary",559 "beta": 0.2023,560 "se": 0.0142,561 "t": null,562 "p": null,563 "p_stars": "***",564 "ci_lo": null,565 "ci_hi": null,566 "page": 9,567 "confidence": "high",568 "notes": "Ground source heat pump vs direct electricity"569 },570 {571 "model_id": "T5-B-c1",572 "var_name_printed": "C(heating_type)[T.oil]",573 "taxonomy_id": "heating",574 "x_transform": "binary",575 "x_unit": "binary",576 "beta": -0.1354,577 "se": 0.0089,578 "t": null,579 "p": null,580 "p_stars": "***",581 "ci_lo": null,582 "ci_hi": null,583 "page": 9,584 "confidence": "high",585 "notes": "Oil heating vs direct electricity"586 },587 {588 "model_id": "T5-A-c2",589 "var_name_printed": "C(GSHP)[T.True]",590 "taxonomy_id": "heating",591 "x_transform": "binary",592 "x_unit": "binary",593 "beta": 0.0976,594 "se": 0.0096,595 "t": null,596 "p": null,597 "p_stars": "***",598 "ci_lo": null,599 "ci_hi": null,600 "page": 9,601 "confidence": "high",602 "notes": "Ground source heat pump vs all other heating types"603 },604 {605 "model_id": "T5-B-c2",606 "var_name_printed": "C(heating_type)[T.district_heating]",607 "taxonomy_id": "heating",608 "x_transform": "binary",609 "x_unit": "binary",610 "beta": 0.0394,611 "se": 0.0071,612 "t": null,613 "p": null,614 "p_stars": "***",615 "ci_lo": null,616 "ci_hi": null,617 "page": 9,618 "confidence": "high",619 "notes": "District heating vs direct electricity"620 },621 {622 "model_id": "T5-B-c2",623 "var_name_printed": "C(heating_type)[T.GSHP]",624 "taxonomy_id": "heating",625 "x_transform": "binary",626 "x_unit": "binary",627 "beta": 0.081,628 "se": 0.0097,629 "t": null,630 "p": null,631 "p_stars": "***",632 "ci_lo": null,633 "ci_hi": null,634 "page": 9,635 "confidence": "high",636 "notes": "Ground source heat pump vs direct electricity"637 },638 {639 "model_id": "T5-B-c2",640 "var_name_printed": "C(heating_type)[T.oil]",641 "taxonomy_id": "heating",642 "x_transform": "binary",643 "x_unit": "binary",644 "beta": -0.0832,645 "se": 0.0064,646 "t": null,647 "p": null,648 "p_stars": "***",649 "ci_lo": null,650 "ci_hi": null,651 "page": 9,652 "confidence": "high",653 "notes": "Oil heating vs direct electricity"654 },655 {656 "model_id": "T5-A-c3",657 "var_name_printed": "C(GSHP)[T.True]",658 "taxonomy_id": "heating",659 "x_transform": "binary",660 "x_unit": "binary",661 "beta": 0.0898,662 "se": 0.0094,663 "t": null,664 "p": null,665 "p_stars": "***",666 "ci_lo": null,667 "ci_hi": null,668 "page": 9,669 "confidence": "high",670 "notes": "Ground source heat pump vs all other heating types"671 },672 {673 "model_id": "T5-B-c3",674 "var_name_printed": "C(heating_type)[T.district_heating]",675 "taxonomy_id": "heating",676 "x_transform": "binary",677 "x_unit": "binary",678 "beta": 0.0353,679 "se": 0.007,680 "t": null,681 "p": null,682 "p_stars": "***",683 "ci_lo": null,684 "ci_hi": null,685 "page": 9,686 "confidence": "high",687 "notes": "District heating vs direct electricity"688 },689 {690 "model_id": "T5-B-c3",691 "var_name_printed": "C(heating_type)[T.GSHP]",692 "taxonomy_id": "heating",693 "x_transform": "binary",694 "x_unit": "binary",695 "beta": 0.0762,696 "se": 0.0096,697 "t": null,698 "p": null,699 "p_stars": "***",700 "ci_lo": null,701 "ci_hi": null,702 "page": 9,703 "confidence": "high",704 "notes": "Ground source heat pump vs direct electricity"705 },706 {707 "model_id": "T5-B-c3",708 "var_name_printed": "C(heating_type)[T.oil]",709 "taxonomy_id": "heating",710 "x_transform": "binary",711 "x_unit": "binary",712 "beta": -0.071,713 "se": 0.0063,714 "t": null,715 "p": null,716 "p_stars": "***",717 "ci_lo": null,718 "ci_hi": null,719 "page": 9,720 "confidence": "high",721 "notes": "Oil heating vs direct electricity"722 },723 {724 "model_id": "T5-A-c4a",725 "var_name_printed": "C(GSHP)[T.True]",726 "taxonomy_id": "heating",727 "x_transform": "binary",728 "x_unit": "binary",729 "beta": 0.0555,730 "se": 0.0064,731 "t": null,732 "p": null,733 "p_stars": "***",734 "ci_lo": null,735 "ci_hi": null,736 "page": 9,737 "confidence": "high",738 "notes": "Ground source heat pump vs all other heating types"739 },740 {741 "model_id": "T5-B-c4a",742 "var_name_printed": "C(heating_type)[T.district_heating]",743 "taxonomy_id": "heating",744 "x_transform": "binary",745 "x_unit": "binary",746 "beta": 0.0262,747 "se": 0.0049,748 "t": null,749 "p": null,750 "p_stars": "***",751 "ci_lo": null,752 "ci_hi": null,753 "page": 9,754 "confidence": "high",755 "notes": "District heating vs direct electricity"756 },757 {758 "model_id": "T5-B-c4a",759 "var_name_printed": "C(heating_type)[T.GSHP]",760 "taxonomy_id": "heating",761 "x_transform": "binary",762 "x_unit": "binary",763 "beta": 0.0436,764 "se": 0.0066,765 "t": null,766 "p": null,767 "p_stars": "***",768 "ci_lo": null,769 "ci_hi": null,770 "page": 9,771 "confidence": "high",772 "notes": "Ground source heat pump vs direct electricity"773 },774 {775 "model_id": "T5-B-c4a",776 "var_name_printed": "C(heating_type)[T.oil]",777 "taxonomy_id": "heating",778 "x_transform": "binary",779 "x_unit": "binary",780 "beta": -0.0564,781 "se": 0.0043,782 "t": null,783 "p": null,784 "p_stars": "***",785 "ci_lo": null,786 "ci_hi": null,787 "page": 9,788 "confidence": "high",789 "notes": "Oil heating vs direct electricity"790 },791 {792 "model_id": "T5-A-c4b",793 "var_name_printed": "C(GSHP)[T.True]",794 "taxonomy_id": "heating",795 "x_transform": "binary",796 "x_unit": "binary",797 "beta": 0.0363,798 "se": 0.0067,799 "t": null,800 "p": null,801 "p_stars": "***",802 "ci_lo": null,803 "ci_hi": null,804 "page": 9,805 "confidence": "high",806 "notes": "Ground source heat pump vs all other heating types"807 },808 {809 "model_id": "T5-B-c4b",810 "var_name_printed": "C(heating_type)[T.district_heating]",811 "taxonomy_id": "heating",812 "x_transform": "binary",813 "x_unit": "binary",814 "beta": 0.0121,815 "se": 0.0051,816 "t": null,817 "p": null,818 "p_stars": "**",819 "ci_lo": null,820 "ci_hi": null,821 "page": 9,822 "confidence": "high",823 "notes": "District heating vs direct electricity"824 },825 {826 "model_id": "T5-B-c4b",827 "var_name_printed": "C(heating_type)[T.GSHP]",828 "taxonomy_id": "heating",829 "x_transform": "binary",830 "x_unit": "binary",831 "beta": 0.0297,832 "se": 0.0069,833 "t": null,834 "p": null,835 "p_stars": "***",836 "ci_lo": null,837 "ci_hi": null,838 "page": 9,839 "confidence": "high",840 "notes": "Ground source heat pump vs direct electricity"841 },842 {843 "model_id": "T5-B-c4b",844 "var_name_printed": "C(heating_type)[T.oil]",845 "taxonomy_id": "heating",846 "x_transform": "binary",847 "x_unit": "binary",848 "beta": -0.0305,849 "se": 0.0046,850 "t": null,851 "p": null,852 "p_stars": "***",853 "ci_lo": null,854 "ci_hi": null,855 "page": 9,856 "confidence": "high",857 "notes": "Oil heating vs direct electricity"858 },859 {860 "model_id": "T5-A-c4c",861 "var_name_printed": "C(GSHP)[T.True]",862 "taxonomy_id": "heating",863 "x_transform": "binary",864 "x_unit": "binary",865 "beta": 0.0374,866 "se": 0.0076,867 "t": null,868 "p": null,869 "p_stars": "***",870 "ci_lo": null,871 "ci_hi": null,872 "page": 9,873 "confidence": "high",874 "notes": "Ground source heat pump vs all other heating types"875 },876 {877 "model_id": "T5-B-c4c",878 "var_name_printed": "C(heating_type)[T.district_heating]",879 "taxonomy_id": "heating",880 "x_transform": "binary",881 "x_unit": "binary",882 "beta": 0.0338,883 "se": 0.0057,884 "t": null,885 "p": null,886 "p_stars": "***",887 "ci_lo": null,888 "ci_hi": null,889 "page": 9,890 "confidence": "high",891 "notes": "District heating vs direct electricity"892 },893 {894 "model_id": "T5-B-c4c",895 "var_name_printed": "C(heating_type)[T.GSHP]",896 "taxonomy_id": "heating",897 "x_transform": "binary",898 "x_unit": "binary",899 "beta": 0.0184,900 "se": 0.0077,901 "t": null,902 "p": null,903 "p_stars": "**",904 "ci_lo": null,905 "ci_hi": null,906 "page": 9,907 "confidence": "high",908 "notes": "Ground source heat pump vs direct electricity"909 },910 {911 "model_id": "T5-B-c4c",912 "var_name_printed": "C(heating_type)[T.oil]",913 "taxonomy_id": "heating",914 "x_transform": "binary",915 "x_unit": "binary",916 "beta": -0.0874,917 "se": 0.0051,918 "t": null,919 "p": null,920 "p_stars": "***",921 "ci_lo": null,922 "ci_hi": null,923 "page": 9,924 "confidence": "high",925 "notes": "Oil heating vs direct electricity"926 }927 ]928}