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Working Paper
Revisiting Capital-Skill Complementarity, Inequality, and Labor Share
Orak, Musa; Shen, Shihan; Ohanian, Lee E. (2021-05-19)
This paper revisits capital-skill complementarity and inequality, as in Krusell, Ohanian, Rios-Rull and Violante (KORV, 2000). Using their methodology, we study how well the KORV model accounts for more recent data, including the large changes in the labor's share of income that were not present in KORV. We study both labor share of gross income (as in KORV), and income net of depreciation. We also use nonfarm business sector output as an alternative measure of production to real GDP. We find strong evidence for continued capital-skill complementarity in the most recent data, and we also find ...
International Finance Discussion Papers , Paper 1319

Working Paper
The Global Rise of Corporate Saving
Karabarbounis, Loukas; Chen, Peter; Neiman, Brent (2017-01-24)
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 ...
Working Papers , Paper 736

Working Paper
Capital-Task Complementarity and the Decline of the U.S. Labor Share of Income
Orak, Musa (2017-03)
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 ...
International Finance Discussion Papers , Paper 1200

Working Paper
The Future of Labor: Automation and the Labor Share in the Second Machine Age
Giri, Rahul; Taschereau-Dumouchel, Mathieu; Xia, Junjie; Drozd, Lukasz A.; Cheng, Hong (2021-03-09)
We study the effect of modern automation on firm-level labor shares using a 2018 survey of 1,618 manufacturing firms in China. We exploit geographic and industry variation built into the design of subsidies for automation paid under a vast government industrialization program, “Made In China 2025,” to construct an instrument for automation investment. We use a canonical CES framework of automation and develop a novel methodology to structurally estimate the elasticity of substitution between labor and automation capital among automating firms, which for our preferred specification is 3.8. ...
Working Papers , Paper 20-11

Working Paper
The Income Share of Energy and Substitution: A Macroeconomic Approach
Orak, Musa; Cakir Melek, Nida (2021-12-22)
As the atmospheric concentration of CO2 emissions has grown to record levels, callshave grown for governments to make steeper emissions cuts, requiring to reduce an economy’s use of fossil energy dramatically. Meanwhile, in the U.S., fossil energy still met 80percent of the total energy demand as of 2019. This paper examines U.S. energy dependence, measured by its factor share, using a simple neoclassical framework in a systematicway. We find that with empirically plausible differences in substitution elasticities, particularly with a time-varying substitution elasticity between equipment ...
Research Working Paper , Paper RWP 21-18

Working Paper
Earnings Inequality and the Minimum Wage: Evidence from Brazil
Engbom, Niklas; Moser, Christian (2018-03-12)
We show that an increase in the minimum wage can have large effects throughout the earnings distribution, using a combination of theory and evidence. To this end, we develop an equilibrium search model featuring empirically relevant worker and firm heterogeneity. The minimum wage induces firms to adjust their equilibrium wage and vacancy policies, leading to spillovers on higher wages. We use the estimated model to evaluate the effects of a 119 percent increase in the real minimum wage in Brazil from 1996 to 2012. The policy change explains a large decline in earnings inequality, with ...
Opportunity and Inclusive Growth Institute Working Papers , Paper 7

Working Paper
Endogenous Bargaining Power and Declining Labor Compensation Share
Córdoba, Juan C.; Isojärvi, Anni T.; Li, Haoran (2023-05-08)
Workhorse search and matching models assume constant bargaining weights, while recent evidence indicates that weights vary across time and in cross section. We endogenize bargaining weights in a life-cycle search and matching model by replacing a standard Cobb-Douglas (CD) matching function with a general constant elasticity of substitution (CES) matching function and study the implications for the long-term labor share and bargaining power in the U.S. The CES model explains 64 percent of the reported decline in the labor share since 1980, while the CD model explains only 28 percent of the ...
Finance and Economics Discussion Series , Paper 2023-030

Working Paper
Payments on Digital Platforms: Resiliency, Interoperability and Welfare
Chiu, Jonathan; Wong, Russell (2021-02-17)
Digital platforms, such as Alibaba and Amazon, operate an online marketplace to facilitate transactions. This paper studies a platform’s business model choice between accepting cash and issuing tokens, as well as the implications for welfare, resiliency, and interoperability. A cash platform free rides on the existing payment infrastructure and proﬁts from collecting transaction fees. A token platform earns seigniorage, albeit bearing the costs of setting up the system and holding reserves to mitigate the cyber risk. Tokens earn consumers a return, insulating transactions from the ...
Working Paper , Paper 21-04

Working Paper
Accounting for Factorless Income
Neiman, Brent; Karabarbounis, Loukas (2018-03-28)
Comparing U.S. GDP to the sum of measured payments to labor and imputed rental payments to capital results in a large and volatile residual or ?factorless income.? We analyze three common strategies of allocating and interpreting factorless income, speci?cally that it arises from economic pro?ts (Case ?), unmeasured capital (Case K), or deviations of the rental rate of capital from standard measures based on bond returns (Case R). We are skeptical of Case ? as it reveals a tight negative relationship between real interest rates and markups, leads to large ?uctuations in inferred ...
Working Papers , Paper 749

Working Paper
The Role of Technology and Energy Substitution in Climate Change Mitigation
Çakır Melek, Nida; Orak, Musa (2023-12-01)
Mitigating climate change is critically linked to reducing an economy’s reliance on fossil energy. This paper examines U.S. energy dependence, measured by its factor share, using a neoclassical framework in a systematic way. We propose substitution as a simple, explicit economic mechanism for climate change mitigation and understanding energy-saving technical change in terms of observed factor quantities. We show that with time-varying capital equipment and energy substitutability, changes in observed inputs alone can account for most of the variations in the income share of energy over the ...
Research Working Paper , Paper RWP 23-15

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