Estimated economic impacts (mean and standard deviation) of EAB on street trees in Canada over a 30-year time horizon. Equivalent annual values are shown in parentheses. Currency is expressed in 2010 Canadian dollars.
| Max. spread rate (km/year) | Treatment rate (% ash treated) | Discount rate (%) | Eastern Canada | Western Canada | Total | |||
|---|---|---|---|---|---|---|---|---|
| Mean ($, millions) | S.D. ($, millions) | Mean ($, millions) | S.D. ($, millions) | Mean ($, millions) | S.D. ($, millions) | |||
| 10 (slow) | 0 | 0 | 468 | 221 | 0 | 0 | 468 | 221 |
| 2 | 413 (18) | 195 (9) | 0 | 0 | 413 (18) | 195 (9) | ||
| 4 | 372 (22) | 176 (10) | 0 | 0 | 372 (22) | 176 (10) | ||
| 10 | 292 (31) | 138 (15) | 0 | 0 | 292 (31) | 138 (15) | ||
| 10 | 0 | 513 | 251 | 0 | 0 | 513 | 251 | |
| 2 | 440 (20) | 216 (10) | 0 | 0 | 440 (20) | 216 (10) | ||
| 4 | 388 (22) | 190 (11) | 0 | 0 | 388 (22) | 190 (11) | ||
| 10 | 292 (31) | 143 (15) | 0 | 0 | 292 (31) | 143 (15) | ||
| 50 | 0 | 642 | 281 | 0 | 0 | 642 | 281 | |
| 2 | 506 (23) | 220 (10) | 0 | 0 | 506 (23) | 220 (10) | ||
| 4 | 414 (24) | 179 (10) | 0 | 0 | 414 (24) | 179 (10) | ||
| 10 | 265 (28) | 114 (12) | 0 | 0 | 265 (28) | 114 (12) | ||
| 30 (medium) | 0 | 0 | 543 | 270 | 250 | 43 | 793 | 277 |
| 2 | 482 (22) | 240 (11) | 149 (7) | 26 (1) | 630 (28) | 244 (11) | ||
| 4 | 435 (25) | 217 (13) | 89 (5) | 16 (1) | 524 (30) | 219 (13) | ||
| 10 | 343 (36) | 170 (18) | 20 (2) | 4 (0) | 363 (39) | 171 (18) | ||
| 10 | 0 | 579 | 273 | 235 | 41 | 814 | 283 | |
| 2 | 499 (22) | 235 (10) | 139 (6) | 25 (1) | 638 (29) | 240 (11) | ||
| 4 | 441 (25) | 207 (12) | 83 (5) | 15 (1) | 524 (30) | 210 (12) | ||
| 10 | 333 (36) | 156 (17) | 19 (2) | 4 (0) | 352 (37) | 157 (17) | ||
| 50 | 0 | 741 | 349 | 173 | 32 | 914 | 353 | |
| 2 | 584 (26) | 273 (12) | 102 (5) | 19 (1) | 686 (31) | 276 (12) | ||
| 4 | 477 (28) | 222 (13) | 61 (4) | 12 (1) | 538 (31) | 223 (13) | ||
| 10 | 305 (32) | 140 (15) | 14 (1) | 3 (0) | 318 (34) | 140 (15) | ||
| 50 (fast) | 0 | 0 | 554 | 269 | 467 | 77 | 1021 | 294 |
| 2 | 497 (22) | 241 (11) | 305 (14) | 50 (2) | 802 (36) | 256 (11) | ||
| 4 | 452 26) | 218 (13) | 202 (12) | 34 (2) | 654 (38) | 228 (13) | ||
| 10 | 358 (38) | 173 (18) | 65 (7) | 11 (1) | 422 (45) | 175 (19) | ||
| 10 | 0 | 602 | 283 | 455 | 83 | 1058 | 312 | |
| 2 | 524 (23) | 246 (11) | 296 (13) | 55(2) | 820 (37) | 264 (12) | ||
| 4 | 465 (27) | 219 (13) | 196 (11) | 37 (2) | 661 (38) | 230(13) | ||
| 10 | 353 (37) | 167 (18) | 62 (7) | 12 (1) | 415 (44) | 170 (18) | ||
| 50 | 0 | 778 | 367 | 399 | 61 | 1177 | 367 | |
| 2 | 615 (27) | 290 (13) | 255 (11) | 39 (2) | 870 (39) | 289 (13) | ||
| 4 | 503 (29) | 236 (14) | 166 (10) | 26 (1) | 669 (39) | 236 (14) | ||
| 10 | 321 (34) | 151 (16) | 50 (5) | 8 (1) | 371 (39) | 150 (16) | ||