~Public goods are financed by the public sectors,which is the part of the economy that involves the transactions of the government. ~On the other hand, the private sector is the part of the economy that involves transactions of individual people and businesses.
Transportation is a very important part of the nation's infrastructure. An infrastructure are the basic facilities that are necessary for a society to function and grown.
Free rider-someone not willing to pay for goods or services but would get the benefit if it was a public good.
Market failure-when the free market operates on its own and it does not distribute resources efficiently.
Externality-an economic side effect of a good/service that generates benefits or costs to someone other than the person deciding how much to produce or consume.