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$0117$

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lestion $15$ of $50$

Policymakers are provided data about the private and social benefits of a good being sold in the market.

$\backslash$table$[[$Quantity$,$Private MB $($$$),$Social MB $($$$)],[5,6,7],[6,4,5],[7,2,3],[8,0,1]]$

What is the size of the externality? If the externality is positive, enter a positive number. If negative, make it a negative number.

$

Given this data, policymakers must decide whether to address the associated externality with a subsidy or a tax. As their economic consultant, which of the two policy tools would you recommend?

a subsidy