Conservation Model | Most Likely to Succeed | Most Likely to Fail | Habitat Externalities |
Open Access | Resource is in low demand relative to resupply rate. | Resource is in high demand relative to resupply rate. | None to negative. |
Government Access | Strong incentives and capabilities to conserve wildlife and habitat. | Weak incentives and capabilities to conserve wildlife and habitat. | Varies with the incentives of wildlife managers. |
Private Access | Resource can thrive on local range only, or, if migratory, reliably returns to the same breeding or feeding grounds. | Resource thrives only by migrating over a large range encompassing numerous nations or international waters. | Generally positive and when lacking may be subsidized by government or volunteers. |