33. Public goods are n_ot normally characterized by the following: a. externalities 13. market provision c. the free rider problem d. non-exclusion c. all the above characterize public goods 34. Where pollution is prevalent, we might expect that a. extemalities are being effectively internalized h. marginal social costs are greater than marginal private costs c. marginal costs are greater than marginal benets d. marginal private costs are greater than marginal social costs e. externalities are not important 35. Sustainable development implies that succeeding generations preserve the value of a. natural capital b. physical investment c. all natural resources (1. human capital e. none of the above