The statement that is the best example of a supply-side market failure is: B. A firm keeps its production costs down by dumping its waste in the nearby river, adversely affecting water quality for residents in the area.
Supply-side market failure can be defined as the way in which a seller and buyer does not have equal access to market information.
Market failure can tend to have effect on the market for goods and services based on the fact that it can tend to lead to inefficient distribution of product in the market.
Therefore we can conclude that the correct option is B.
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