Marginal abatement cost curve, Macroeconomics

A critically important criterion that must be considered in evaluating environmental policies is whether they provide strong incentives for people to find new ways to improve ambient environment. Below is a simple model economy of a single pollutant-emitting firm, which has a marginal abatement cost curve (MAC), to discuss the advantages and disadvantages of various policies. MAC1 indicates the current MAC curve and MAC2 and MAC3 refer to the ones realized when the firm spends some resources (money) in an R&D effort to develop better technologies.

 

 

2134_marginal abatement cost curve.png

(a) Suppose that the authorities set an emission standard to reduce emissions from the uncontrolled level of 60 units to 48 units. What are the highest possible R&D investment costs to realize MAC2 and MAC3 respectively?

(b) Suppose, instead, the authorities institute an emission charge and the firm emits 48 units of pollutant with MAC1 under the charge. What are the highest possible R&D investment costs to realize MAC2 and MAC3 respectively?

(c) Suppose, instead, the authorities institute a transferable emission permits program and the firm emits 48 units of pollutant with MAC1 under the program. What are the highest possible R&D investment costs to realize MAC2 and MAC3 respectively?

(d) Some would argue that the incentives for R&D investment under command and control approach are weaker than the answers in part (a). Explain why this is the case by considering the expected behavior of the regulating authorities.

 

Posted Date: 3/5/2013 6:47:08 AM | Location : United States







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