Examlex
_________ is similar to Wi-Fi but has a far greater range.
Positive Externality
A benefit that affects someone who did not choose to incur that benefit, often leading to an under-provision of a good or service.
Vaccination
A medical intervention that introduces a substance to stimulate the body's immune response against disease.
Producer Surplus
The discrepancy between what sellers are prepared to take for a product or service and the actual payment they get in the marketplace.
Efficiency Loss
The loss of economic efficiency that occurs when the equilibrium for a good or a service is not achieved or is not achievable.
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