4 Reading responses Please write just a few sentences in response to each question, 4.1 The Clean Air Act (CAA) Read Currie and Walker (2019), which is one of the readings on Canyos. (a) Summarize two benefits and two costs of the CAA. at does tile empirical evidence say about the size of each of the benefits and costs that Ou (b) Name one potential benefit and one potential tha es not discussor dis- cusses only in passing. (c) Consider the distributional consequences of the CAA. According p urrie and Walker, how do the effects of the Clean Air Act differ for low- and high-income: households? In your response, be sure to mention: (i) differences in the effects of the CAA on ine pollution that households experience, (ii) differences in the effects of pollution on health? and (iii) differences in the extent to which the two groups bear the costs of the CAA.