❓ Câu hỏi According to the passage, which of the following is a major limitation of the contingent valuation method?
- A. A) It fails to account for the economic value of provisioning services.
- B. B) It relies on market prices that are often unstable.
- C. C) It may not fully capture the complexity of ecological systems.
- D. D) It has been rejected by most environmental policymakers.