4 ms·By definition externality is not priced in by the market.by mulmen 8mo agoBy definition externality is not priced in by the market.quotemstr 8mo agoWhy should I believe an externality exists in this situation? What is the evidence?mulmen 8mo ago> If it's such a problem, why is it so cheap to do? Why would you assume it doesn’t based on price when externality by definition is not accounted for in price?