3. (6 points) Externalities. The Biden administration PROTECT PROTECT has been reversing measures taken by the Trump Administration designed to increase industry profits DOW and employment at the expense of clean air and AND Poisoned water. SCOTT me PRUITT a. (1 points) How should we evaluate policy changes like these? How can we tell if they IS HELPING are good or bad? THEM b. (2 points) If people didn't like the Trump Administration's actions, how else might they get the industries that benefit to stop polluting? Could the market lead to the efficient level of pollution if there are full and clear property rights? 2 c. (3 points) By themselves, the United States, the People's Republic of China and India account for almost half of world greenhouse gas emissions causing catastrophic climate change. Many of the poorest countries, including those producing the fewest greenhouse gases, will suffer the most from climate change. i. Why don't countries most threatened, pay the polluters to stop? ii. Even the rich will suffer from climate change. Use game theory and the prisoners' dilemma to explain why China, India, and the United States don't agree to stop polluting