ɪnðə nˈaɪntiːnhˈʌndɹɪd sˈɪksti z, klˈɑːɹks ˈɪntɹɛst ʃˈɪftᵻd tə kəntˈɛmpɚɹˌɛɹi kˈɑːnsɪkwənsᵻz ʌv ˌiːkənˈɑːmɪk tʃˈeɪndʒᵻz, ɪspˈɛʃəli səbˈɜːbən lˈɪvɪŋ ænd ˈɜːbən pˈɑːvɚɾi.
In the 1960s, Clark's interest shifted to contemporary consequences of economic changes, especially suburban living and urban poverty.