1{2 "record_id": "63065c2cad027c9578aace5fb84b3bd4ba000e2b",3 "eligible": true,4 "exclusion_reason": null,5 "study": {6 "title": "Hurricane-Induced Discharges from Superfund Sites: A Hedonic Price Analysis of Real Estate Market Responses",7 "year": 2024,8 "doi": "10.3368/le.101.1.030423-0019r1",9 "country": "United States",10 "region_city": "Harris County (Houston), Texas",11 "sample_start": 2013,12 "sample_end": 2019,13 "property_type": "single_family",14 "price_type": "transaction",15 "data_source": "single-family home sales 2013-2019 in Harris County with coordinates (59,085 sales; 5,162 within 1.5 miles of Superfund sites or 1.5-3 miles of impacted sites); EPA/TCEQ Superfund site data; GIS flood/distance variables",16 "document_type": "journal",17 "estimators": [18 "OLS"19 ],20 "spatial_method": "census-tract (3/4-digit) spatial fixed effects; distance-decay (negative exponential, Gaussian) transformations of distance to site",21 "time_fe": true,22 "location_fe": true,23 "se_type": "clustered",24 "n_obs_total": 5162,25 "ai_methods": [],26 "notes": "HP-DID / DDD hedonic models with log(sale price) as dependent variable (Eq. 3-4). Structural (log lot size, age, log age, bedroom dummies, >1 bathroom, quality dummies) and spatial controls (log distance to park, railroad, highway, CBD), year FE, parallel-trend interactions and census-tract FE are included but their coefficients are NOT reported in any table (only 'Yes'). Only the Superfund proximity treatment/control indicators and their post-Harvey interactions are printed: extracted here as hazard_site (Treatment = sale within 1.5 miles of a hurricane-impacted Superfund site; Control in DDD tables = within 1.5 miles of a non-impacted site; reference = 1.5-3 miles from impacted sites in DDD, non-impacted-site buffer in DID) and interactions as 'other'. Exponential spec: kappa = 0.25 miles; Gaussian spec: critical distance 1.5 miles. SEs clustered within census tract; * p<0.1, ** p<0.05, *** p<0.01. Tables 4 and 6 use propensity-score matched samples."27 },28 "models": [29 {30 "model_id": "T3-c1",31 "table": "3",32 "column": "ATE",33 "page": 31,34 "dep_var": "log(sale price), nominal US$",35 "dep_transform": "log",36 "estimator": "OLS",37 "n_obs": 2409,38 "r2": 0.6394,39 "se_or_t_in_parentheses": "se",40 "sample_subset": "DID without matching (transactions within 1.5 miles of impacted or non-impacted Superfund sites); specification ATE; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"41 },42 {43 "model_id": "T3-c2",44 "table": "3",45 "column": "Zones",46 "page": 31,47 "dep_var": "log(sale price), nominal US$",48 "dep_transform": "log",49 "estimator": "OLS",50 "n_obs": 2409,51 "r2": 0.642,52 "se_or_t_in_parentheses": "se",53 "sample_subset": "DID without matching (transactions within 1.5 miles of impacted or non-impacted Superfund sites); specification Zones; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"54 },55 {56 "model_id": "T3-c3",57 "table": "3",58 "column": "Exponential",59 "page": 31,60 "dep_var": "log(sale price), nominal US$",61 "dep_transform": "log",62 "estimator": "OLS",63 "n_obs": 2409,64 "r2": 0.6393,65 "se_or_t_in_parentheses": "se",66 "sample_subset": "DID without matching (transactions within 1.5 miles of impacted or non-impacted Superfund sites); specification Exponential; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"67 },68 {69 "model_id": "T3-c4",70 "table": "3",71 "column": "Gaussian",72 "page": 31,73 "dep_var": "log(sale price), nominal US$",74 "dep_transform": "log",75 "estimator": "OLS",76 "n_obs": 2409,77 "r2": 0.6394,78 "se_or_t_in_parentheses": "se",79 "sample_subset": "DID without matching (transactions within 1.5 miles of impacted or non-impacted Superfund sites); specification Gaussian; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"80 },81 {82 "model_id": "T4-c1",83 "table": "4",84 "column": "ATE",85 "page": 32,86 "dep_var": "log(sale price), nominal US$",87 "dep_transform": "log",88 "estimator": "OLS",89 "n_obs": 1963,90 "r2": 0.65,91 "se_or_t_in_parentheses": "se",92 "sample_subset": "DID with propensity-score matching; specification ATE; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"93 },94 {95 "model_id": "T4-c2",96 "table": "4",97 "column": "Zones",98 "page": 32,99 "dep_var": "log(sale price), nominal US$",100 "dep_transform": "log",101 "estimator": "OLS",102 "n_obs": 1963,103 "r2": 0.6527,104 "se_or_t_in_parentheses": "se",105 "sample_subset": "DID with propensity-score matching; specification Zones; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"106 },107 {108 "model_id": "T4-c3",109 "table": "4",110 "column": "Exponential",111 "page": 32,112 "dep_var": "log(sale price), nominal US$",113 "dep_transform": "log",114 "estimator": "OLS",115 "n_obs": 1963,116 "r2": 0.65,117 "se_or_t_in_parentheses": "se",118 "sample_subset": "DID with propensity-score matching; specification Exponential; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"119 },120 {121 "model_id": "T4-c4",122 "table": "4",123 "column": "Gaussian",124 "page": 32,125 "dep_var": "log(sale price), nominal US$",126 "dep_transform": "log",127 "estimator": "OLS",128 "n_obs": 1963,129 "r2": 0.6502,130 "se_or_t_in_parentheses": "se",131 "sample_subset": "DID with propensity-score matching; specification Gaussian; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"132 },133 {134 "model_id": "T5-c1",135 "table": "5",136 "column": "ATE",137 "page": 33,138 "dep_var": "log(sale price), nominal US$",139 "dep_transform": "log",140 "estimator": "OLS",141 "n_obs": 5162,142 "r2": 0.6832,143 "se_or_t_in_parentheses": "se",144 "sample_subset": "DDD without matching (adds control group 1.5-3 miles from impacted sites); specification ATE; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"145 },146 {147 "model_id": "T5-c2",148 "table": "5",149 "column": "Zones",150 "page": 33,151 "dep_var": "log(sale price), nominal US$",152 "dep_transform": "log",153 "estimator": "OLS",154 "n_obs": 5162,155 "r2": 0.6846,156 "se_or_t_in_parentheses": "se",157 "sample_subset": "DDD without matching (adds control group 1.5-3 miles from impacted sites); specification Zones; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"158 },159 {160 "model_id": "T5-c3",161 "table": "5",162 "column": "Exponential",163 "page": 33,164 "dep_var": "log(sale price), nominal US$",165 "dep_transform": "log",166 "estimator": "OLS",167 "n_obs": 5162,168 "r2": 0.6832,169 "se_or_t_in_parentheses": "se",170 "sample_subset": "DDD without matching (adds control group 1.5-3 miles from impacted sites); specification Exponential; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"171 },172 {173 "model_id": "T5-c4",174 "table": "5",175 "column": "Gaussian",176 "page": 33,177 "dep_var": "log(sale price), nominal US$",178 "dep_transform": "log",179 "estimator": "OLS",180 "n_obs": 5162,181 "r2": 0.6831,182 "se_or_t_in_parentheses": "se",183 "sample_subset": "DDD without matching (adds control group 1.5-3 miles from impacted sites); specification Gaussian; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"184 },185 {186 "model_id": "T6-c1",187 "table": "6",188 "column": "ATE",189 "page": 34,190 "dep_var": "log(sale price), nominal US$",191 "dep_transform": "log",192 "estimator": "OLS",193 "n_obs": 4444,194 "r2": 0.6944,195 "se_or_t_in_parentheses": "se",196 "sample_subset": "DDD with propensity-score matching; specification ATE; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"197 },198 {199 "model_id": "T6-c2",200 "table": "6",201 "column": "Zones",202 "page": 34,203 "dep_var": "log(sale price), nominal US$",204 "dep_transform": "log",205 "estimator": "OLS",206 "n_obs": 4444,207 "r2": 0.6958,208 "se_or_t_in_parentheses": "se",209 "sample_subset": "DDD with propensity-score matching; specification Zones; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"210 },211 {212 "model_id": "T6-c3",213 "table": "6",214 "column": "Exponential",215 "page": 34,216 "dep_var": "log(sale price), nominal US$",217 "dep_transform": "log",218 "estimator": "OLS",219 "n_obs": 4444,220 "r2": 0.6944,221 "se_or_t_in_parentheses": "se",222 "sample_subset": "DDD with propensity-score matching; specification Exponential; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"223 },224 {225 "model_id": "T6-c4",226 "table": "6",227 "column": "Gaussian",228 "page": 34,229 "dep_var": "log(sale price), nominal US$",230 "dep_transform": "log",231 "estimator": "OLS",232 "n_obs": 4444,233 "r2": 0.6944,234 "se_or_t_in_parentheses": "se",235 "sample_subset": "DDD with propensity-score matching; specification Gaussian; structural and spatial controls, year FE, parallel-trend terms and census-tract FE included but not reported"236 }237 ],238 "coefficients": [239 {240 "model_id": "T3-c1",241 "var_name_printed": "Treatment (home sales within 1.5 miles)",242 "taxonomy_id": "hazard_site",243 "x_transform": "dummy",244 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",245 "beta": -0.6223,246 "se": 0.0946,247 "t": null,248 "p": null,249 "p_stars": "***",250 "ci_lo": null,251 "ci_hi": null,252 "page": 31,253 "confidence": "high",254 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD)"255 },256 {257 "model_id": "T3-c2",258 "var_name_printed": "Treatment (home sales within 1.5 miles)",259 "taxonomy_id": "hazard_site",260 "x_transform": "dummy",261 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",262 "beta": -0.4958,263 "se": 0.1071,264 "t": null,265 "p": null,266 "p_stars": "***",267 "ci_lo": null,268 "ci_hi": null,269 "page": 31,270 "confidence": "high",271 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD)"272 },273 {274 "model_id": "T3-c3",275 "var_name_printed": "Treatment (home sales within 1.5 miles)",276 "taxonomy_id": "hazard_site",277 "x_transform": "dummy",278 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",279 "beta": -0.5678,280 "se": 0.0888,281 "t": null,282 "p": null,283 "p_stars": "***",284 "ci_lo": null,285 "ci_hi": null,286 "page": 31,287 "confidence": "high",288 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD)"289 },290 {291 "model_id": "T3-c4",292 "var_name_printed": "Treatment (home sales within 1.5 miles)",293 "taxonomy_id": "hazard_site",294 "x_transform": "dummy",295 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",296 "beta": -0.5686,297 "se": 0.0887,298 "t": null,299 "p": null,300 "p_stars": "***",301 "ci_lo": null,302 "ci_hi": null,303 "page": 31,304 "confidence": "high",305 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD)"306 },307 {308 "model_id": "T3-c1",309 "var_name_printed": "Treatment × After Harvey",310 "taxonomy_id": "other",311 "x_transform": "other",312 "x_unit": "binary interaction",313 "beta": 0.113,314 "se": 0.11,315 "t": null,316 "p": null,317 "p_stars": "",318 "ci_lo": null,319 "ci_hi": null,320 "page": 31,321 "confidence": "high",322 "notes": "DiD ATE within 1.5 miles"323 },324 {325 "model_id": "T3-c2",326 "var_name_printed": "Treatment × After Harvey × (<0.5 mile)",327 "taxonomy_id": "other",328 "x_transform": "other",329 "x_unit": "binary interaction (buffer <0.5 mile; reference 1-1.5 miles)",330 "beta": -0.2772,331 "se": 0.1268,332 "t": null,333 "p": null,334 "p_stars": "**",335 "ci_lo": null,336 "ci_hi": null,337 "page": 31,338 "confidence": "high",339 "notes": "DiD ATE by distance buffer"340 },341 {342 "model_id": "T3-c2",343 "var_name_printed": "Treatment × After Harvey × (<1 mile)",344 "taxonomy_id": "other",345 "x_transform": "other",346 "x_unit": "binary interaction (buffer 0.5-1 mile; reference 1-1.5 miles)",347 "beta": -0.1333,348 "se": 0.0718,349 "t": null,350 "p": null,351 "p_stars": "*",352 "ci_lo": null,353 "ci_hi": null,354 "page": 31,355 "confidence": "high",356 "notes": "DiD ATE by distance buffer"357 },358 {359 "model_id": "T3-c3",360 "var_name_printed": "Treatment × After Harvey × Distance to Superfund Sites",361 "taxonomy_id": "other",362 "x_transform": "other",363 "x_unit": "interaction with negative-exponential distance transform exp(-d/0.25)",364 "beta": -0.4415,365 "se": 0.2296,366 "t": null,367 "p": null,368 "p_stars": "*",369 "ci_lo": null,370 "ci_hi": null,371 "page": 31,372 "confidence": "high",373 "notes": "distance-decay DiD effect"374 },375 {376 "model_id": "T3-c4",377 "var_name_printed": "Treatment × After Harvey × Distance to Superfund Sites",378 "taxonomy_id": "other",379 "x_transform": "other",380 "x_unit": "interaction with Gaussian distance transform [1-(d/1.5)]^2",381 "beta": -0.1699,382 "se": 0.0742,383 "t": null,384 "p": null,385 "p_stars": "**",386 "ci_lo": null,387 "ci_hi": null,388 "page": 31,389 "confidence": "high",390 "notes": "distance-decay DiD effect"391 },392 {393 "model_id": "T4-c1",394 "var_name_printed": "Treatment (home sales within 1.5 miles)",395 "taxonomy_id": "hazard_site",396 "x_transform": "dummy",397 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",398 "beta": -0.6067,399 "se": 0.1013,400 "t": null,401 "p": null,402 "p_stars": "***",403 "ci_lo": null,404 "ci_hi": null,405 "page": 32,406 "confidence": "high",407 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD); matched sample"408 },409 {410 "model_id": "T4-c2",411 "var_name_printed": "Treatment (home sales within 1.5 miles)",412 "taxonomy_id": "hazard_site",413 "x_transform": "dummy",414 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",415 "beta": -0.4861,416 "se": 0.1117,417 "t": null,418 "p": null,419 "p_stars": "***",420 "ci_lo": null,421 "ci_hi": null,422 "page": 32,423 "confidence": "high",424 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD); matched sample"425 },426 {427 "model_id": "T4-c3",428 "var_name_printed": "Treatment (home sales within 1.5 miles)",429 "taxonomy_id": "hazard_site",430 "x_transform": "dummy",431 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",432 "beta": -0.5566,433 "se": 0.0907,434 "t": null,435 "p": null,436 "p_stars": "***",437 "ci_lo": null,438 "ci_hi": null,439 "page": 32,440 "confidence": "high",441 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD); matched sample"442 },443 {444 "model_id": "T4-c4",445 "var_name_printed": "Treatment (home sales within 1.5 miles)",446 "taxonomy_id": "hazard_site",447 "x_transform": "dummy",448 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs within 1.5 miles of non-impacted site)",449 "beta": -0.558,450 "se": 0.0906,451 "t": null,452 "p": null,453 "p_stars": "***",454 "ci_lo": null,455 "ci_hi": null,456 "page": 32,457 "confidence": "high",458 "notes": "sale within 1.5 miles of a hurricane-impacted Superfund site (pre-Harvey level effect in DiD); matched sample"459 },460 {461 "model_id": "T4-c1",462 "var_name_printed": "Treatment × After Harvey",463 "taxonomy_id": "other",464 "x_transform": "other",465 "x_unit": "binary interaction",466 "beta": 0.1029,467 "se": 0.1226,468 "t": null,469 "p": null,470 "p_stars": "",471 "ci_lo": null,472 "ci_hi": null,473 "page": 32,474 "confidence": "high",475 "notes": "DiD ATE within 1.5 miles"476 },477 {478 "model_id": "T4-c2",479 "var_name_printed": "Treatment × After Harvey × (<0.5 mile)",480 "taxonomy_id": "other",481 "x_transform": "other",482 "x_unit": "binary interaction (buffer <0.5 mile; reference 1-1.5 miles)",483 "beta": -0.2876,484 "se": 0.1279,485 "t": null,486 "p": null,487 "p_stars": "**",488 "ci_lo": null,489 "ci_hi": null,490 "page": 32,491 "confidence": "high",492 "notes": "DiD ATE by distance buffer"493 },494 {495 "model_id": "T4-c2",496 "var_name_printed": "Treatment × After Harvey × (<1 mile)",497 "taxonomy_id": "other",498 "x_transform": "other",499 "x_unit": "binary interaction (buffer 0.5-1 mile; reference 1-1.5 miles)",500 "beta": -0.1262,501 "se": 0.0682,502 "t": null,503 "p": null,504 "p_stars": "*",505 "ci_lo": null,506 "ci_hi": null,507 "page": 32,508 "confidence": "high",509 "notes": "DiD ATE by distance buffer"510 },511 {512 "model_id": "T4-c3",513 "var_name_printed": "Treatment × After Harvey × Distance to Superfund Sites",514 "taxonomy_id": "other",515 "x_transform": "other",516 "x_unit": "interaction with negative-exponential distance transform exp(-d/0.25)",517 "beta": -0.5238,518 "se": 0.2123,519 "t": null,520 "p": null,521 "p_stars": "**",522 "ci_lo": null,523 "ci_hi": null,524 "page": 32,525 "confidence": "high",526 "notes": "distance-decay DiD effect"527 },528 {529 "model_id": "T4-c4",530 "var_name_printed": "Treatment × After Harvey × Distance to Superfund Sites",531 "taxonomy_id": "other",532 "x_transform": "other",533 "x_unit": "interaction with Gaussian distance transform [1-(d/1.5)]^2",534 "beta": -0.1945,535 "se": 0.0688,536 "t": null,537 "p": null,538 "p_stars": "***",539 "ci_lo": null,540 "ci_hi": null,541 "page": 32,542 "confidence": "high",543 "notes": "distance-decay DiD effect"544 },545 {546 "model_id": "T5-c1",547 "var_name_printed": "Treatment",548 "taxonomy_id": "hazard_site",549 "x_transform": "dummy",550 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs 1.5-3 miles)",551 "beta": -0.1283,552 "se": 0.052,553 "t": null,554 "p": null,555 "p_stars": "**",556 "ci_lo": null,557 "ci_hi": null,558 "page": 33,559 "confidence": "high",560 "notes": "DDD: pre-Harvey level effect of proximity to impacted site; reference 1.5-3 miles from impacted site"561 },562 {563 "model_id": "T5-c2",564 "var_name_printed": "Treatment",565 "taxonomy_id": "hazard_site",566 "x_transform": "dummy",567 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs 1.5-3 miles)",568 "beta": -0.0691,569 "se": 0.051,570 "t": null,571 "p": null,572 "p_stars": "",573 "ci_lo": null,574 "ci_hi": null,575 "page": 33,576 "confidence": "high",577 "notes": "DDD: pre-Harvey level effect of proximity to impacted site; reference 1.5-3 miles from impacted site"578 },579 {580 "model_id": "T5-c3",581 "var_name_printed": "Treatment",582 "taxonomy_id": "hazard_site",583 "x_transform": "dummy",584 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs 1.5-3 miles)",585 "beta": -0.1027,586 "se": 0.0527,587 "t": null,588 "p": null,589 "p_stars": "*",590 "ci_lo": null,591 "ci_hi": null,592 "page": 33,593 "confidence": "high",594 "notes": "DDD: pre-Harvey level effect of proximity to impacted site; reference 1.5-3 miles from impacted site"595 },596 {597 "model_id": "T5-c4",598 "var_name_printed": "Treatment",599 "taxonomy_id": "hazard_site",600 "x_transform": "dummy",601 "x_unit": "binary (within 1.5 miles of impacted Superfund site vs 1.5-3 miles)",602 "beta": -0.102,603 "se": 0.0524,604 "t": null,605 "p": null,606 "p_stars": "*",607 "ci_lo": null,608 "ci_hi": null,609 "page": 33,610 "confidence": "high",611 "notes": "DDD: pre-Harvey level effect of proximity to impacted site; reference 1.5-3 miles from impacted site"612 },613 {614 "model_id": "T5-c1",615 "var_name_printed": "Control",616 "taxonomy_id": "hazard_site",617 "x_transform": "dummy",618 "x_unit": "binary (within 1.5 miles of non-impacted Superfund site vs 1.5-3 miles from impacted site)",619 "beta": 0.2878,620 "se": 0.1435,621 "t": null,622 "p": null,623 "p_stars": "**",624 "ci_lo": null,625 "ci_hi": null,626 "page": 33,627 "confidence": "high",628 "notes": "DDD: level effect of proximity to a non-flooded Superfund site"629 },630 {631 "model_id": "T5-c2",632 "var_name_printed": "Control",633 "taxonomy_id": "hazard_site",634 "x_transform": "dummy",635 "x_unit": "binary (within 1.5 miles of non-impacted Superfund site vs 1.5-3 miles from impacted site)",636 "beta": 0.2474,637 "se": 0.1428,638 "t": null,639 "p": null,640 "p_stars": "*",641 "ci_lo": null,642 "ci_hi": null,643 "page": 33,644 "confidence": "high",645 "notes": "DDD: level effect of proximity to a non-flooded Superfund site"646 },647 {648 "model_id": "T5-c3",649 "var_name_printed": "Control",650 "taxonomy_id": "hazard_site",651 "x_transform": "dummy",652 "x_unit": "binary (within 1.5 miles of non-impacted Superfund site vs 1.5-3 miles from impacted site)",653 "beta": 0.2794,654 "se": 0.1413,655 "t": null,656 "p": null,657 "p_stars": "*",658 "ci_lo": null,659 "ci_hi": null,660 "page": 33,661 "confidence": "high",662 "notes": "DDD: level effect of proximity to a non-flooded Superfund site"663 },664 {665 "model_id": "T5-c4",666 "var_name_printed": "Control",667 "taxonomy_id": "hazard_site",668 "x_transform": "dummy",669 "x_unit": "binary (within 1.5 miles of non-impacted Superfund site vs 1.5-3 miles from impacted site)",670 "beta": 0.2789,671 "se": 0.1421,672 "t": null,673 "p": null,674 "p_stars": "*",675 "ci_lo": null,676 "ci_hi": null,677 "page": 33,678 "confidence": "high",679 "notes": "DDD: level effect of proximity to a non-flooded Superfund site"680 },681 {682 "model_id": "T5-c1",683 "var_name_printed": "Treatment × After Harvey",684 "taxonomy_id": "other",685 "x_transform": "other",686 "x_unit": "binary interaction",687 "beta": 0.0678,688 "se": 0.1105,689 "t": null,690 "p": null,691 "p_stars": "",692 "ci_lo": null,693 "ci_hi": null,694 "page": 33,695 "confidence": "high",696 "notes": "DDD effect"697 },698 {699 "model_id": "T5-c2",700 "var_name_printed": "Treatment × After Harvey × (<.5 mile)",701 "taxonomy_id": "other",702 "x_transform": "other",703 "x_unit": "binary interaction (buffer <0.5 mile)",704 "beta": -0.3371,705 "se": 0.1013,706 "t": null,707 "p": null,708 "p_stars": "***",709 "ci_lo": null,710 "ci_hi": null,711 "page": 33,712 "confidence": "high",713 "notes": "DDD effect by buffer"714 },715 {716 "model_id": "T5-c2",717 "var_name_printed": "Treatment × After 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