Introduction to Environmental Economics Notes

Course Code and Title: BGEC113: Introduction to Environmental Management.
Degree Programme: Environmental Management.
Academic Year: First Semester, 2025/2026.
Teaching Faculty: * Dr. Edward Koomson * Dr. Ampem Darko-Aniapam * Dr. Jennifer Ayamga * Dr. Erika Mamle Osae * Dr. Bernie Asher * Mr. Lawrence Offei Asare * Ms. Razeena Mohammed Siita * Mr. Joseph Fleischer

Topic: Introduction to Environmental Economics (Week 4).
Primary Lecture Objectives: * Provide a definitive explanation and definition of the concept of environmental economics. * Elucidate key concepts fundamental to the field of environmental economics. * Examine and discuss specific instances and characteristics of common property resources.
Intended Student Outcomes: By the conclusion of the session, students are expected to define environmental economics effectively, explain its core concepts, and discuss examples of common property resources within the framework of service excellence.

Definition of Economics: Economics is rigorously defined as the study of how and why both individuals and larger groups engage in decision-making processes regarding the utilization and distribution of valuable human and non-human resources.
Primary Branches of Economics: * Microeconomics: This branch focuses on the study of the behavior and decision-making of individuals and small, localized groups. * Macroeconomics: This branch is concerned with the economic performance, structure, and behavior of economies as a whole at a national or global level.

Core Definition: Environmental economics is a specialized branch of economics that investigates the intricate relationship between the economy and the natural environment. It focuses specifically on: * The methodology by which economic activities influence natural resources and the natural environment. * The capacity for environmental policies to guide and influence economic decision-making.
Scope and Involvement: * It applies economic principles to determine how environmental resources are managed. * It investigates the underlying reasons why human decisions result in specific consequences for the natural environment. * It explores how economic policies and institutions can be utilized to align environmental impacts with the desires of humanity and the essential requirements of the ecosystem.

Definition of a Market: A market is a system facilitating the exchange of goods and services between buyers and sellers.
Environmental Context: In the realm of environmental economics, markets serve as mechanisms to allocate critical resources such as clean air, water, and land.
Price and Quantity Determination: Markets establish the price point and quantity of environmental goods and services based on the interplay of supply and demand.

Competitiveness: An ideal market must be competitive, characterized by the presence of numerous buyers and sellers trading specific goods and services.
Perfect Information: All participants in a market transaction must possess complete knowledge regarding the full costs and benefits associated with that transaction.
Well-Defined Property Rights: This requires that the ownership of the commodity, resource, or goods being traded is explicitly and clearly defined.
No Externalities: In an ideal market, the costs and benefits resulting from a transaction are strictly limited to the participants involved in said transaction.

Definition of Market Failure: These occur when the market system fails to allocate resources with efficiency, subsequently leading to negative environmental consequences.
Key Drivers of Environmental Problems: * Externalities. * Public goods. * The tragedy of the commons.

General Definition: Externalities are the costs or benefits resulting from market transactions that impact third parties who were not participants in the exchange. In these scenarios: * Market prices fail to reflect the true environmental or social costs and benefits of economic activities. * The actions of one party impose impacts (costs or benefits) on others that are excluded from the market price.
Negative Externalities: * Definition: These occur when an activity imposes a cost or negative effect on a third party without any form of compensation. * Examples: Air pollution, water pollution, resource depletion, and climate change.
Positive Externalities: * Definition: These occur when an activity generates benefits for third parties without the party responsible for the activity receiving compensation. * Examples: Environmental conservation efforts, afforestation, and the maintenance of green spaces within urban environments.

Core Characteristics: Public goods are defined by two primary traits: * Non-excludable: It is nearly impossible or highly difficult to prevent individuals from using the good, regardless of whether they have contributed financially to it. No one can be restricted from the benefits. * Non-rivalrous: The consumption of the good by one individual does not diminish the amount available for others or reduce its value. Multiple users can enjoy the resource simultaneously.
Examples of Public Goods: Clean air, stable climate conditions, and public parks or green spaces.
Institutional Challenges with Public Goods: * Free-ridership: Individuals or groups consume and benefit from a service or good without contributing to its maintenance or provision. * Under-provision: Because there is little incentive for individuals to pay for something they can access for free, these goods are often not provided at optimal levels. * Underfunding: Due to the lack of direct financial contribution from all users, public goods face persistent funding shortages.

Definition: These are natural or man-made resources shared by a group and subjected to specific rules regarding their usage.
Technical Characteristics: CPRs are public/shared resources that are non-excludable (difficult to keep people out) but rivalrous (one person's use directly reduces the quantity available for others).
The Tragedy of the Commons: This phenomenon occurs when individuals act in their own self-interest to maximize their benefit, leading to the overuse and depletion of shared resources. Because the resource is non-excludable, individual self-interest results in the eventual exhaustion and degradation of the entire resource.
Specific Examples of Common Property Resources: 1. Community Forests: Overharvesting of timber or plants by individuals can lead to total deforestation. 2. Pastures/Grazing Lands: Shared lands for livestock can suffer from overgrazing, which triggers soil erosion and general land degradation. 3. Fisheries: In rivers or coastal waters, overfishing by various communities can result in the total depletion of fish stocks. 4. Groundwater: When multiple communities and households extract underground water for drinking or irrigation excessively, it leads to the depletion of the shared water resource.