It is D. A part-time job to earn extra money.
Answer: True
Explanation:
Marginal externality is constant. However, it may not be calculated with accuracy. Hence, there's need for estimates at reasonable levels.
Hence, the policymaker's estimate of $35/ unit is reasonable and within the acceptable range of between $10 and $50/unit. Also, the tax charge raises social welfare compared to no tax at all.
Yes, I think it is important to save for retirement as early as 18 years old. I think this so that if anything goes wrong you can have kind of like a safety net.
