File talk:Negative Production Externality.png
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Shouldn't "Private Marginal Cost" and "Social Marginal Cost" be switched? — Preceding unsigned comment was added by 83.92.5.80 (talk) 11:16, 8 December 2018 (UTC)
- yes I agree, they're the wrong way around. Can someone fix this? 79.116.85.126 16:38, 3 May 2022 (UTC)