________ have become an effective means of achieving environmental goals at the least cost to society.
A. Command-and-control regulations
B. Incentive-based systems
C. Life-expectancy approaches
D. Supply-chain approaches
Answer:B
________ have become an effective means of achieving environmental goals at the least cost to society.
A. Command-and-control regulations B. Incentive-based systems C. Life-expectancy approaches D. Supply-chain approaches