Related Experiment Video
Updated: Nov 10, 2025

07:13
Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
Published on: April 9, 2021
4.4K
Externality and COVID-19
Peter T Leeson1, Louis Rouanet1
1Department of Economics George Mason University Fairfax Virginia USA.
Summary
Government intervention is not always necessary for infectious diseases, as private property and voluntary participation limit disease spread and associated costs. This reduces the societal impact of infectious disease externalities.
Area of Science:
- Public Health
- Health Economics
- Epidemiology
Background:
- Infectious disease externalities are often assumed to be high, necessitating government intervention.
- Classical externality theory may not fully apply to disease transmission dynamics.
Purpose of the Study:
- To re-evaluate the prevalence and societal cost of infectious disease externalities.
- To explore the role of private markets and self-limiting behaviors in mitigating disease spread.
- To analyze these factors within the context of the COVID-19 pandemic.
Main Methods:
- Theoretical analysis of externality principles applied to infectious diseases.
- Examination of self-limiting behaviors in disease transmission.
- Analysis of private property rights and contractual risk in mitigating externalities.
- Case study contextualization with the COVID-19 pandemic.
Main Results:
- Infectious disease externalities are often self-limiting and less prevalent without government intervention.
- Private ownership and voluntary participation in market economies create incentives to manage disease risks.
- The social cost of infectious disease externalities is primarily limited by the cheapest avoidance methods, not the total value of life lost.
Conclusions:
- Government intervention may not be the most efficient or necessary response to infectious disease externalities.
- Market mechanisms and individual behaviors can effectively reduce disease transmission and societal costs.
- The economic impact of infectious diseases is often overestimated when considering the full range of private mitigation strategies.
Related Concept Videos
Causality in Epidemiology
1.2K
Causality or causation is a fundamental concept in epidemiology, vital for understanding the relationships between various factors and health outcomes. Despite its importance, there's no single, universally accepted definition of causality within the discipline. Drawing from a systematic review, causality in epidemiology encompasses several definitions, including production, necessary and sufficient, sufficient-component, counterfactual, and probabilistic models. Each has its strengths and...
1.2K
Fundamental Attribution Error
13.4K
According to some social psychologists, people tend to overemphasize internal factors as explanations—or attributions—for the behavior of other people. They tend to assume that the behavior of another person is a trait of that person, and to underestimate the power of the situation on the behavior of others. They tend to fail to recognize when the behavior of another is due to situational variables, and thus to the person’s state. This erroneous assumption is...
13.4K
Controls in Experiments
14.3K
When conducting an experiment, it is crucial to have control to reduce bias and accurately measure the dependent variables. It also marks the results more reliable. Controls are elements in an experiment that have the same characteristics as the treatment groups but are not affected by the independent variable. By sorting these data into control and experimental conditions, the relationship between the dependent and independent variables can be drawn. A randomized experiment always includes a...
14.3K
Factors Affecting Illness
4.7K
When a person's physical, emotional, intellectual, social development or spiritual functioning is compromised, this deviation from a healthy normal state is called illness. Illness creates stress that in turn harms individuals. Irritation, anger, denial, hopelessness, and fear are behavioral and emotional changes an individual experiences in the phases of illness. A variety of factors influence a person's health and well-being.
For instance, risk factors are connected to illness,...
For instance, risk factors are connected to illness,...
4.7K
The Availability Heuristic
6.7K
A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):
6.7K
Dimensions of Health and Illness
9.2K
The factors influencing the health-illness continuum can be internal or external and may or may not be under conscious control. They are related to the following eight human dimensions, and each dimension is interrelated to one other.
9.2K

