Where there are spillover (or external) benefits from having a particular product in a society, the government can make the quantity of the product approach the socially optimal level by doing the following except:________.
a) subsidizing the buyers of the product
b) taxing the sellers of the product
c) subsidizing the sellers of the product
d) providing the product itself
Explanation: B. Would be negative where all other answers would promote product volume/adoption, taxing the suppliers would be bad for the supplier and make them reduce production.
