TABLE 7

Tests for Equality of Compensating Surplus Measures

Transfer Direction: (Study Site/Habitat) to (Policy Site/Habitat)Avg. Scenario WTPa Transfer Estimates Mean (95% CI)Avg. Scenario WTPa Direct Estimates Mean (95% CI)Number of RejectionsbAvg. Transfer Errora
Across Locations for a Given Habitat
Oysters
  Alabama to Louisiana$404 (124, 680)$702 (373, 1,063)042.67
  Louisiana to Alabama$726 (384, 1107)$393 (121, 670)086.67
Salt marsh
  Alabama to Louisiana$179 (42, 314)$562 (365, 785)969.49
  Louisiana to Alabama$652 (421, 913)$169 (39, 296)9427.72
Across Habitats for a Given Location
Alabama
  Oysters to salt marsh$390 (115, 661)$169 (39, 296)2218.50
  Salt marsh to oysters$169 (38, 298)$393 (121, 670)559.00
Louisiana
  Oysters to salt marsh$712 (371, 1088)$562 (365, 785)027.75
  Salt marsh to oysters$566 (369, 792)$702 (373, 1,063)019.68
  Oysters to mangroves$639 (329, 981)$454 (217, 743)043.69
  Mangroves to oysters$530 (256, 860)$702 (373, 1,063)024.79
  Salt marsh to mangroves$452 (282, 634)$454 (217, 743)07.43
  Mangroves to salt marsh$530 (250, 850)$562 (365, 785)08.32
  • Note: CI, confidence interval; WTP, willingness to pay.

  • a These are averages over each of the nine scenarios.

  • b Rejection of equality at the 10% level.