If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Externalities: Foundational concepts


The consumption of good Z creates positive externalities, but there are no externalities in producing good Z.
What must be true at the market equilibrium for good Z if the market is not regulated?
Choose 1 answer: