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اقتصاد::
هزینه کاهش، هزینه کاهش انتشار
Regulations impose uniform requirements on a popu- lation of agents (in a sector or in a particular place) since civil servants do not possess the appropriate information about the particular features of the agents' respective situ- ations nor, most importantly, about the true marginal abatement cost curves of firms (see Figure 3.1).
percent), but also unequal marginal abatement costs (ci on the Cmi curve).
Figure 3.2 Matching marginal abatement cost and marginal external damages cost
On Figure 3.2 the marginal abatement cost (MAC) curve increases from right to left because the more a pollutant is abated, the higher the unit (marginal) costs for additional abate- ment.
Any departure from this level (point A in Figure 3.2) implies a welfare loss, because either pollution damage exceeds abatement costs (moving to the right of A on MEC) or abatement costs are higher than damage costs (moving to the left of A on MAC).،
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