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Capital-Task Complementarity and the Decline of the U.S. Labor Share of Income
This paper provides evidence that shifts in the occupational composition of the U.S. workforce are the most important factor explaining the trend decline in the labor share over the past four decades. Estimates suggest that while there is unitary elasticity between equipment capital and non-routine tasks, equipment capital and routine tasks are highly substitutable. Through the lenses of a general equilibrium model with occupational choice and the estimated production technology, I document that the fall in relative price of equipment capital alone can explain 72 percent of the observed ...
Sectoral Dynamics and Business Cycles
I construct an index of sectoral dynamics to characterize changes in the sectoral composition of economic activity. There is evidence of asymmetry in different phases of business cycles with recessions being associated with larger changes in sectoral composition than expansions. I find that the correlation between dynamics in sectoral employment and aggregate output has weakened since the 1990s. Also, sectoral changes appear to be smaller and spread across more sectors, while their contribution to aggregate volatility has been increasing. I also perform a simulation exercise and replicate ...
The Global Rise of Corporate Saving
The sectoral composition of global saving changed dramatically during the last three decades. Whereas in the early 1980s most of global investment was funded by household saving, nowadays nearly two-thirds of global investment is funded by corporate saving. This shift in the sectoral composition of saving was not accompanied by changes in the sectoral composition of investment, implying an improvement in the corporate net lending position. We characterize the behavior of corporate saving using both national income accounts and firm-level data and clarify its relationship with the global ...
Staff Pick: Declining Labor Share and U.S. Industries
In recent decades, the share of payments to labor have been trending down in several countries. Here are trends among U.S. industries.
Trends in the Labor Share Post-2000
The labor share of income declined sharply in the United States from 2000 to 2010 but seems to have stabilized since 2010. We examine aggregate trends in the labor share and show that the 2000?10 decline was driven by declines in the fraction of income paid to workers in all industries. The stabilization in the labor share after 2010 mostly reflects an increased share of services industries income paid to workers.