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In economics, the wage share or labor share is the part of national income, or the income of a particular economic sector, allocated to wages (labor). It is related to the capital or profit share, the part of income going to capital,[1] which is also known as the K–Y ratio.[2] The labor share is a key indicator for the distribution of income.[3]
The wage share is countercyclical;[3]: 13 that is, it tends to fall when output increases and rise when output decreases. Despite fluctuating over the business cycle, the wage share was once thought to be stable, which Keynes described as "one of the most surprising, yet best-established facts in the whole range of economic statistics".[4] The wage share has declined in most developed countries since the 1980s.[5][6]
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Transcription
Definition
The wage share can be defined in various ways, but empirically it is usually defined as total labor compensation or labor costs over nominal GDP or gross value added.[3]
Often the capital share and labor share are assumed to sum to 100%, so that each can be deduced from the other. For example, the Bureau of Labor Statistics defines the labor share in a given sector (LS) as the ratio of labor compensation paid in that sector (C) to current dollar output (CU), i.e. LS = C / CU. The non-labor or capital share (NLS) is defined as 1 − LS.[7]
In Capital in the Twenty-First Century, Piketty described the accounting identity α = r × β as the 'first fundamental law of capitalism', where α represents the capital share, r is the rate of return on capital, and β is the capital to income ratio.[8] Piketty defined the wage share as 1 − α.[9]
Because the self-employed perform labor which is not rewarded with wages, the labor share may be underestimated in sectors with a high rate of self-employment. One approach is to assume the labor share of proprietors' income to be fixed.[10] The OECD and the Bureau of Labor Statistics adjust labor compensation by assuming that the self-employed have the same average wage as employees in the same sector.[3]: 2
History
The importance of the distribution of income between the factors of production – capital, land and labor – has long been recognized. Ricardo (1817) said that to determine the laws which regulate this distribution is the "principal problem in political economy".[11]
Cobb and Douglas's Theory of Production (1928) introduced empirically determined constants α and β which corresponded to the capital and labor share respectively. Cobb and Douglas found that the wage share was about 75%.[12]: 163 For most of the 20th century, constant labor share was a stylized fact[3]: 14 known as Bowley's law.
Historical measurements of the wage share can be charted using the Federal Reserve Bank of St. Louis's FRED tool, which includes time series published by the Bureau of Labor Statistics[13] and Bureau of Economic Analysis.[14]
See also
- Factors of production
- Factor shares
- Compensation of employees
- Measures of national income and output
- Value added
- Income distribution
- Labor economics
- Rate of exploitation
References
- ^ G20 Employment Working Group (2015). The Labour Share in G20 Economies (PDF). 2015 G20 Antalya summit.
- ^ Madsen, Jakob; Minniti, Antonio; Venturini, Francesco (2015). "Assessing Piketty's laws of capitalism" (PDF). Monash University. Archived from the original (PDF) on 2016-03-29. Retrieved 2016-09-25.
- ^ a b c d e Schneider, Dorothee (2011). "The Labor Share: A Review of Theory and Evidence" (PDF). SFB 649, Humboldt-Universität zu Berlin. doi:10.18452/4357.
{{cite journal}}: Cite journal requires|journal=(help) - ^ Keynes, John Maynard (1939). "Relative Movements of Real Wages and Output". The Economic Journal. 49 (193): 48. doi:10.2307/2225182. JSTOR 2225182.
- ^ OECD. "Labour Losing to Capital: What Explains the Declining Labour Share?" (PDF). OECD Employment Outlook 2012.
- ^ International Monetary Fund (April 2007). "The Globalization of Labor" (PDF). Spillovers and Cycles in the Global Economy. World Economic Outlook. p. 167.
- ^ Bureau of Labor Statistics (April 1997). "Productivity Measures: Business Sector and Major Subsectors" (PDF). Handbook of Methods. p. 95.
- ^ Piketty, Thomas (2013). Capital in the Twenty-First Century. Harvard University Press.
- ^ Piketty, Thomas. "Table S6.1. The capital-labor split in Britain, 1770–2010" (XLS). Retrieved 25 September 2016.
- ^ Krueger, Alan (1999). "Measuring Labor's Share". American Economic Review. 89 (2): 45–51. doi:10.1257/aer.89.2.45. S2CID 153629247.
- ^ Ricardo, David (1817). "Preface". On the Principles of Political Economy and Taxation. John Murray, London. p. R3.
- ^ Cobb, Charles; Douglas, Paul (1928). "A Theory of Production" (PDF). American Economic Review. 18 (Supplement): 139–165. Retrieved 26 September 2016.
- ^ Bureau of Labor Statistics. "Business Sector: Labor Share". Federal Reserve Economic Data. Retrieved 25 September 2016.
- ^ Bureau of Economic Analysis. "Shares of gross domestic income: Compensation of employees, paid: Wage and salary accruals: Disbursements: To persons". Federal Reserve Economic Data. Retrieved 25 September 2016.
Further reading
- Labour Income Share Ratios for OECD countries, 1995–2010, at OECD.Stat
- Michael D. Giandrea and Shawn Sprague. Estimating the U.S. labor share. Monthly Labor Review, Feb 2017, https://doi.org/10.21916/mlr.2017.7
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This page was last edited on 13 November 2023, at 07:28