Moving to the next question prevents changes to this answer. Question 16 The abundance of quality public goods does the following: (Check all that apply.) a. Private goods become more affordable. b. Public goods lead to greater negative externalities, and yet smaller effect from positive externalities. c. The availability of public goods drains resources and causes income inequality to rise. d. Income inequality is reduced. e. Negative externalities drop. Of. With too many goods available publically, competition drops. Ly Moving to the next question prevents changes to this answer.