High sure friendly expenses, as minimal harms, lead to an over-creation In the outline, there is overproduction at QMarket - {loptimum with a related extra weight loss of the concealed triangle. One of the public area solutions for disguising externalies is a remedial duty. As per neoclassical nancial analyst Arthur Pigou,[6] to address this market disappointment (or externality} the public authority should impose an expense which equivalents to peripheral harms per unit. This would successfully build the company's private minimal with the goal that SMC = PMCIS] The possibility of government mediation with respect to amending an externality has been fervently discussed, Financial specialists like Ronald Coase[7] ght that the market can disguise an externality and accommodate an outside result through dealing among impacted parties. For instance, in the previously mentioned case, the property holders could haggle with the contamination rm and strike