The objective is to construct the growth rate of an aggregate MFP residual, a sector or national total, as a weighted average of the growth rates of the MFP residuals of its component industries or firms, usually to discuss how industry-specific changes affected the aggregate.
ðɪ ɑːbdʒˈɛktɪv ɪz tə kənstɹˈʌkt ðə ɡɹˈoʊθ ɹˈeɪt əvən ˈæɡɹɪɡˌeɪt ˌɛmˌɛfpˈiː ɹᵻsˈɪdʒuːəl, ɐ sˈɛktɚ ɔːɹ nˈæʃənəl tˈoʊɾəl, æz ɐ wˈeɪɾᵻd ˈævɹɪdʒ ʌvðə ɡɹˈoʊθ ɹˈeɪts ʌvðɪ ˌɛmˌɛfpˈiː ɹᵻsˈɪdʒuːəlz ʌv ɪts kəmpˈoʊnənt ˈɪndʌstɹiz ɔːɹ fˈɜːmz, jˈuːʒuːəli tə dɪskˈʌs hˌaʊ ˈɪndʌstɹispəsˈɪfɪk tʃˈeɪndʒᵻz ɐfˈɛktᵻd ðɪ ˈæɡɹɪɡˌeɪt.