In the above diagram, DD is the marginal benefit curve which is also the demand curve for jet ski. Competitive equilibrium occurs at the point A, the intersection between the marginal private benefit and the marginal private cost curve. At the private market competitive equilibrium, we have Q* as the equilibrium quantity and P* is the equilibrium price.
But the noise pollution created the constant use of jet skiers causes a social cost to the society. Thus the marginal social cost is higher than the marginal private cost. the difference between the marginal social cost and the marginal private cost is positive and called marginal external cost .
MSC=MPC+MEC
Socially optimal level of outcome is occurred at the point B where the marginal benefit curve intersects with the marginal social cost. QSE is the socially optimal output at this equilibrium point B. The social optimal quantity is much less than the Q* implying market is producing a greater quantity than social optimal level. Hence it is an inefficient outcome. This involves a deadweight loss to the society as shown in the shaded triangle. The area of the triangle ABC is the deadweight loss caused by the negative externality.
Policy options through government intervention:
One major policy option to internalize the negative externality is the imposition of the corrective tax, known as the Pigouvian tax. Pigoivian tax is the tax that can be levied each unit of the output an externality generator ( here the jet skiers) agent produce . In order to eliminate the negative externality, a tax equals to the marginal external cost must be imposed to the Jet skiers. Gold Coast Council can impose a tax (t=MEC) to the Jet skiers so that their private cost will escalate. Due to increase in their private cost, the Jet skiers will have a sufficient incentive to reduce the use.
The impact of imposition of corrective tax t can be shown in the above figure. Since the jet skiers will consider this as their private cost, the MPC curve will shift upwards from MPC to MPC’. The output will come down to the socially efficient level and our purpose will solve and the negative effects of the externality can be eliminated. Gold Coast Council can consider this policy option and carefully implement the corrective tax to the Jet skiers, reduce their production and minimize the adverse consequences (Pigouvian tax, n.d).
Private sector solutions:
Another policy option is suggested by the economist Coase that can be implemented without the intervention of the government. According to Coase theorem, if the property rights are well defined and the transaction cost is zero then the two parties can negotiates between them to reach a socially efficient solution. The affected people of the area and the pollutants can negotiate among them and can obtain the socially efficient level of production. Coase advocates that government has an important tough limited role to define the property rights. It does not depend which party is assigned the property right, the negotiation can work well as long as the property rights are well assigned. If Government can assign the property rights then Coase theorem is definitely a feasible policy option. There is no need for government intervention to get remedy from the consequence of negative externality. As a private market solution, the two parties, the externality creators and the affected population can negotiate between them, get compensated and thereby bring a fruitful solution. The private market outcome vastly depends on the bargaining power of the two parties.
Part 3:
Conclusion:
We, the people of Queensland are well aware of the huge importance of Gold Coast Broadwater. But the growing use of Jet skiers and the excessive noise created by their activity pose a serious threat to the society. The noise pollution is imposing serious environmental, economic and social impact where the impact is largely borne by the local community people. A continuous exposure to such an excessive sound for a longer period of time make the local people vulnerable to the diseases like hearing impairment or severe headache. Several research studies also confirm the direct link between the noise pollution and the life threatening diseases like heart attack or high blood pressure. The severe noise pollution is a detrimental to local economic growth as the commercial activities are also getting affected. The excessive sound leads to reduction of the productive efficiency and thereby doing harm to the local business. Moreover the marine life is also under severe threat –too much noise can cause a lot of injuries even death to the fish and other marine lives. This has a direct impact to the local economy as many of them depend on fishing and other marine industries for their livelihood. the overall well being of the people whi are residing in the area are massively affected by this spill- over effect but they are not getting any compensation for this impact. The Jet skiers may fulfill their recreational demand but on the other hand it contributes to environmental degradation, ecological imbalance, and severe damage to human health and reduces the economic prosperity.
The key challenge is to find out the policy alternative that would reduce the harmful impact of the noise pollution. We have discussed various approaches that can be implemented to accomplish this objective. While some policy measure needs government interventions, others can be pursued by the initiatives of the private parties, without the government intervention. Whether the government intervention is required or not to pursue the policy issues, the primary objective is to reduce the spill- over effect and restore the socially optimal solution
Going forward, I would believe the corrective tax is the best policy option in this perspective. Jet skiers have to bear the external cost in terms of tax and thereby reduce their use. The tax revenue can be used for the developmental project of the local community. The Gold Coast council could fiancé various welfare projects of the area with this tax revenue. As an economist of Gold Coast Council, my recommendation is to impose a Pigouvian tax on the jet skiers and thereby reduce their use.
Question 2
You are an Economist advising the Federal Government about the Australian Labour Market and issues relating to unemployment. The issues that you have been asked to report are:
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