hola! my name is Tenia from period 3, economics.
A example of a positive externality is vaccines, because this is helping to end the capablity of spreading any viruses, flues, and diseases to the public and surrounding people. A example of a negative externality is foreign countries who dont have any sources of toilets, sinks, bathtubs, sewage systems etc. so all their waste are going into the river because that is there only relieable resource to clean off and get rid of feces. So by them doing this people are catching the polio virus and dying.
And the government intervenes to regulate them because if they didnt we would be worse off. Because we wouldnt have people trying to find cures and vaccines to these diseases and save us from them. Or we wouldnt have people putting their foot down saying no, we wont harm the people and environment.
tb136011
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