Syllabus Edition
First teaching 2024
First exams 2026
Market Failures & Solutions (DP IB Environmental Systems & Societies (ESS))
Revision Note
Written by: Alistair Marjot
Reviewed by: Bridgette Barrett
Market Failures
In environmental economics, market failure occurs when the free market fails to allocate goods and services efficiently, leading to negative impacts on the environment and society
For example, a factory that produces goods may release pollutants into the air and water, causing environmental damage and health hazards for local people
This results in a net reduction in the welfare of society at no cost to the factory
Another example is the problem of electronic cigarette or vaping waste
Many vaping devices contain non-recyclable materials, leading to environmental pollution and contributing to the growing problem of electronic waste
Examples of Market Failures with Environmental Consequences
Market failure | Goods and services allocated by free market | Negative impacts on environment and society |
---|---|---|
Air Pollution | Burning of fossil fuels such as petrol for vehicle use and coal for industrial processes | Emissions of harmful pollutants (e.g. carbon dioxide and nitrogen oxides) contribute to air pollution, leading to health problems (e.g. respiratory diseases) and environmental degradation (e.g. acid rain, climate change) |
Deforestation | Logging for timber used in construction and furniture production | Deforestation leads to habitat loss for wildlife, loss of biodiversity, disruption of ecosystems, and contributes to climate change by reducing carbon sequestration, impacting global climate patterns and increasing the risk of natural disasters |
Overfishing | Fishing for marine species for human consumption | Overfishing depletes fish stocks, disrupts marine ecosystems, and can lead to the collapse of fisheries, impacting livelihoods and food security, particularly in coastal communities reliant on fishing |
Why do market failures happen?
In a perfectly competitive market, prices are determined by supply and demand, and resources are allocated extremely efficiently
However, in reality, markets often fail to achieve this efficiency for various reasons
Market failures often arise due to factors such as monopoly power (e.g. too much economic power in one company's hands) or unequal distribution of wealth and resources
These failures lead to inefficient resource allocation, where the market does not reflect the true costs and benefits of production or consumption activities, resulting in negative outcomes for society as a whole
Understanding market failures is important for policymakers and economists to design and implement effective interventions to address environmental and social issues and promote sustainable development
Polluter-Pays Principle
When the market fails to prevent negative impacts on the environment or society, the polluter-pays principle can be applied
This principle suggests that those responsible for pollution should bear the costs associated with stopping, managing, and cleaning up the pollution that they themselves have created
For example, if a factory releases harmful chemicals into a river, the factory owner would be responsible for the costs of cleaning up the contaminated water
Implementation of the principle
Environmental economics offers various solutions to ensure the polluter pays for their pollution—these include:
Quotas: setting limits on the amount of pollution a polluter can emit (in a way, this acts as a limit on the profits that the polluter can make)
Fines: imposing penalties or fines on polluters who exceed pollution limits
Taxes: taxing pollution to discourage harmful activities and generate revenue for environmental protection efforts
Tradable permits: allowing polluters to buy and sell permits to emit pollution, creating a market-based approach to pollution control, e.g. carbon credits
Carbon neutral certification: certifying products or companies as carbon neutral when they offset their carbon emissions through activities such as reforestation or investment in renewable energy projects
For example, the European Union's Emissions Trading System (ETS) imposes a cap on carbon emissions and allows companies to trade emission allowances
This acts as an incentive for reducing emissions whilst also ensuring that polluters bear the costs of their emissions
Government intervention
Government intervention strategies and policies are often employed to prevent negative impacts on the environment and society by holding polluters accountable
For example, tobacco companies may be required to pay for the cleanup of discarded cigarettes to mitigate the environmental impact of littering
Under new environmental regulations in Spain, tobacco companies will be required to cover the costs associated with cleaning up discarded cigarette butts from streets and beaches
Internationally, policies such as the 'high seas' treaty aim to protect the oceans and hold polluters accountable for activities that harm marine ecosystems
The High Seas Treaty, formally known as the United Nations Convention on the Law of the Sea (UNCLOS), is an international agreement governing activities in the world's oceans beyond national jurisdiction (i.e. beyond a country's Exclusive Economic Zone (EEZ) of 200 nautical miles from the coastline)
It establishes legal frameworks for the conservation and sustainable use of marine resources, as well as the protection of the marine environment
One of its key principles is holding nations accountable for their activities that may cause pollution or harm to the marine environment on the high seas
This treaty is relevant to the polluter-pays principle because it means that countries engaging in activities that cause marine pollution are responsible for mitigating and cleaning up the pollution they cause
By enforcing regulations and mechanisms under the treaty, it ensures that those who benefit from exploiting marine resources also bear the responsibility and costs of addressing any negative environmental impacts
For example, BP was held responsible for the Deepwater Horizon oil spill in the Gulf of Mexico in 2010 and incurred significant costs for cleanup and compensation to affected communities
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