ðɪs wʌz θˈɔːt ðə mˈoʊst ʌnjˈuːʒuːəl wˈɜːk ʌv ˈɔːl—ˈɪnsəfˌɑːɹ æz ˈɛnɪwˌʌn pˈeɪd ɐtˈɛnʃən—baɪ ɪkˈɑːnəmˌɪsts ɪnðɪ ˈɜːli nˈaɪntiːnhˈʌndɹɪd nˈaɪnti z wɛn ðə wˈɜːk bɪɡˈæn.
This was thought the most unusual work of all—insofar as anyone paid attention—by economists in the early 1990s when the work began.