A coastal town is plagued by unusually loud, disruptive noise from a nearby shipping lane, a negative condition affecting all residents. An engineering firm develops and sells a soundproofing technology that, when installed in a home, completely eliminates all exterior noise. How does the availability of this soundproofing technology alter the economic classification of the noise pollution for the town's residents?

The invention of a vaccine that provides complete immunity to a contagious disease effectively eliminates that disease as a public bad for the entire population.

Transforming a Public Bad

Excludability of a Public Bad

Match each scenario describing a widespread negative condition (a public bad) with its correct economic classification based on the ability to protect individuals from its effects.

The Economics of Disease Prevention

A new, highly irritating but non-lethal airborne pollen spreads across a region, causing severe allergies for all residents. A company then markets an affordable, over-the-counter pill that completely blocks the allergic reaction for anyone who takes it. The creation of this pill effectively makes the negative effects of the pollen ____ for the individuals who choose to use the medication.

A new computer virus begins to infect unprotected systems worldwide. A company develops and sells an antivirus program that offers complete immunity. Arrange the following statements to illustrate the economic transformation of the virus from a non-excludable to an excludable public bad.

A tropical city is afflicted by a widespread, debilitating mosquito-borne virus, a negative condition impacting all residents. A technology firm develops and markets a personal, wearable device that creates an impenetrable barrier against mosquitoes for the wearer. How does the availability of this device alter the economic classification of the virus for the city's population?

A major city is experiencing a prolonged and severe heatwave, a dangerous condition that negatively affects all residents. From an economic perspective, which of the following interventions best illustrates the transformation of this public bad into an excludable one?