Both studies, which focused solely on the fiscal impacts, concluded that more should be done to internalize external costs.
bˈoʊθ stˈʌdiz, wˌɪtʃ fˈoʊkəst sˈoʊlli ɔnðə fˈɪskəl ˈɪmpækts, kəŋklˈuːdᵻd ðæt mˈoːɹ ʃˌʊd biː dˈʌn tʊ ɪntˈɜːnəlˌaɪz ɛkstˈɜːnəl kˈɔsts.