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External Effect (Externality)
Definition of External Effect (Externality)
An external effect, also known as an externality, occurs when an individual's action imposes a cost or confers a benefit on others, and this impact is not factored into the individual's decision. For example, pollution from a banana plantation is considered an external effect because it harms local fishermen, who are not part of the decision-making process, while the pollution itself has no direct consequence for the plantation owners who decide on pesticide use.
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Introduction to Microeconomics Course
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CORE Econ
Ch.4 Strategic interactions and social dilemmas - The Economy 2.0 Microeconomics @ CORE Econ
The Economy 2.0 Microeconomics @ CORE Econ
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Internalizing an Externality
Negative Externality Example: Robot Factory and Nurses
External Effects as a Source of Social Dilemmas
Positive Externality (External Economy)
Inadequate Property Rights as a Cause of Externalities
Consumption Externalities
An apple orchard operates next to a beekeeper. The bees pollinate the apple blossoms, which increases the orchard's fruit yield. The apple blossoms, in turn, provide nectar for the bees, which increases the beekeeper's honey production. Neither party pays the other for these services. Which statement provides the most accurate economic analysis of this situation?
Residential Development and Air Quality
Market Outcome of Uncompensated Costs
Match each scenario to the economic description that best characterizes the primary effect described.
Policy Evaluation for a Noise Externality
A large chemical company has a manufacturing division that releases pollutants into a river. Downstream, another division of the same company operates a fish farm, which suffers reduced yields due to the pollution. This situation is an example of a negative externality.
Arrange the following events in the correct logical sequence to illustrate how a negative production externality leads to an inefficient market outcome.
When an individual chooses to get vaccinated against a contagious disease, they not only protect themselves but also reduce the likelihood of transmission to others in their community. This uncompensated benefit conferred upon the community is an example of a ________.
Evaluating the Root Cause of a Shared Resource Problem
Analyzing Production Costs and Externalities
Marginal Private Cost (MPC) (Definition)
Marginal Social Benefit (MSB) (Definition and Formula)
Pigou's Rationale for Intervention in Case of Externalities
Divergence between Private and Social Costs
Analyze each economic scenario and match it to the correct economic concept.
Separate Ownership as a Cause of Externalities
Incomplete Contracts and Asymmetric Information as a Source of Externalities
Definition of External Effect (Externality)
External Economy (Positive Externality or External Benefit)
External Diseconomy (Negative Externality or External Cost)
Interpreting Public Goods and Shared Resources Problems as Externalities
Missing Markets as an Explanation for Unaccounted Social Costs
Learn After
External Costs in the Pest Control Game
Factory and Fishing Community Scenario
Identifying an External Effect
Analyzing Compensated vs. Uncompensated Effects
A factory's air pollution harms the health of nearby residents, but the factory does not pay for the associated healthcare costs or the reduction in quality of life. This uncompensated cost imposed on a third party is an example of a negative ____.
Chlordecone Contamination as an Example of an External Effect
External Cost (Negative Externality or External Diseconomy)