Why Are Public Goods Provided by the Government, Rather Than

Why are public goods provided by the government, rather than by the private sector?

A) Because they are large-scale projects that require the kind of financing only governments can generate through the issuance of bonds.
B) Because it would be difficult for a private sector firm to make a profit providing a public good, as the consumers who benefit would not have to pay for it.
C) Because no one really benefits from public goods.
D) Because private sector firms do not have the foresight to plan for public goods.