Neighboring city, Eagleton, has decided to build a fence around a small park they used to share with the citizens of Pawnee. Throughout the episode, we learn of various quality-of-life factors that Eagleton excels in relative to Pawnee. Things like obesity, height, income, wealth, and life expectancy are all much higher than in Pawnee, and the citizens of Eagleton want to keep it that way.
See more: inequality, isolationism, life expectancy
Economics of Parks & Recreation 