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Aggregate Implications of Changing Sectoral Trends

Andrew Foerster (), Andreas Hornstein, Pierre Daniel Sarte () and Mark Watson

No 19-11, Working Paper from Federal Reserve Bank of Richmond

Abstract: We find disparate trend variation in TFP and labor growth across major U.S. production sectors over the post-WWII period. When aggregated, these sector-specific trends imply secular declines in the growth rate of aggregate labor and TFP. We embed this sectoral trend variation into a dynamic multi-sector framework in which materials and capital used in each sector are produced by other sectors. The presence of capital induces important network effects from production linkages that amplify the consequences of changing sectoral trends on GDP growth. Thus, in some sectors, changes in TFP and labor growth lead to changes in GDP growth that may be as large as three times these sectors' share in the economy. We find that trend GDP growth has declined by more than 2 percentage points since 1950, and that this decline has been primarily shaped by sector-specific rather than aggregate factors. Sustained contractions in growth specific to Construction, Nondurable Goods, and Professional and Business and Services make up close to sixty percent of the estimated trend decrease in GDP growth. In addition, the slow process of capital accumulation means that structural changes have endogenously persistent effects. We estimate that trend GDP growth will continue to decline for the next 10 years absent persistent increases in TFP and labor growth.

Keywords: trend growth; multi-sector model; production linkages (search for similar items in EconPapers)
JEL-codes: C32 E23 O41 (search for similar items in EconPapers)
Pages: 54 pages
Date: 2019-05-28
New Economics Papers: this item is included in nep-gro, nep-lma and nep-mac
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Related works:
Working Paper: Aggregate Implications of Changing Sectoral Trends (2019) Downloads
Working Paper: Aggregate Implications of Changing Sectoral Trends (2019) Downloads
Working Paper: Sectoral and Aggregate Structural Change (2019) Downloads
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