1.If it is not possible to prevent others from sharing in the benefits of a good's consumption, we say that the good

A.is an economic bad

B.is non-rival in consumption

C.has the characteristic of no-excludability

D.is a private good

2.Theoretically, the market demand for a public good is found by

A.vertically adding the MEC and MPC functions

B.overcoming free-ridership and vertically summing the price responses for each quantity

C.adding horizontally the marginal benefits received by each consumer at every price level

D.summing the quantities each person is willing and able to buy at each and every price