Answer:
Government regulation is the best way to deal with negative externalities
Step-by-step explanation:
An externality is the effect of the activities ( mostly economic ) of an individual on third parties whom are not direct participants in such activities ( mostly economic ) and this externalities can be either positive or negative .
A proper balance by which Government can deal with negative externalities is by increasing taxes on the production of goods and services that leave a trail of negative externalities on third parties. that way the cost of production of such goods and service will discourage its production