Barking dogs cannot be considered an externality because externalities must be associated with some form of market exchange.
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Research into new technologies conveys neither negative externalities nor positive externalities.
A. 对
B. 错
When firms internalize a negative externality, the market supply curve shifts to the left.
A. 对
B. 错
Negative externalities lead markets to produce a smaller quantity of a good than is socially desirable, while positive externalities lead markets to produce a larger quantity of a good than is socially desirable.
A. 对
B. 错
The government can internalize externalities by taxing goods that have negative externalities and subsidizing goods that have positive externalities.
A. 对
B. 错