Gross output

Gross output is an economic concept used to measure total economic activity in the production of new goods and services in an accounting period. It is a much broader measure of the economy than gross domestic product (GDP), which is limited mainly to final output (finished goods and services). In 2015, the Bureau of Economic Analysis estimated gross output in the United States to be $31.6 trillion, compared to $18.1 trillion for GDP.

GO is defined by the Bureau of Economic Analysis (BEA) as “a measure of an industry's sales or receipts, which can include sales to final users in the economy (GDP) or sales to other industries (intermediate inputs). Gross output can also be measured as the sum of an industry's value added and intermediate inputs.”[1]

It is equal to the value of net output or GDP (also known as gross value added) plus intermediate inputs.

Gross output represents, roughly speaking, the total value of sales by producing enterprises (their turnover) in an accounting period (e.g. a quarter or a year), before subtracting the value of intermediate goods used up in production.

Starting in April, 2014, the BEA began publishing gross output and gross output-by-industry on a quarterly basis, along with GDP.[2]

Economists regard GO and GDP as complementary aggregate measures of the economy. Many analysts view GO as a more comprehensive way to analyze the economy and the business cycle. “Gross output [GO] is the natural measure of the production sector, while net output [GDP] is appropriate as a measure of welfare. Both are required in a complete system of accounts.”[3]

Historical Background

In his work, The Purchasing Power of Money: Its Determination and Relation to Credit, Interest, and Crises (1911, 1920), Yale professor Irving Fisher introduced a theoretical measure of "volume of trade" with his Equation of Exchange: MV = PT, where PT measured the "volume of trade" in the economy at a specified time.[4]

In 1931, Friedrich A. Hayek, the Austrian economist at the London School of Economics, created a diagram known as Hayek’s triangles as a theoretical measure of the stages of production.[5] Hayek’s triangles formed the basis of gross output, before GNP or GDP were invented. However, Hayek’s work was strictly theoretical, and no attempt was developed to statistically measure gross output.

Simon Kuznets, a Russian American economist at Harvard University, did breakthrough work in the 1930s in measuring national income, “the size of the final net product.” He defined net product as follows: “If all the commodities produced and all the direct services rendered during the year are added to their market value, and from the resulting total we subtract the value of that part of the nation’s stock of goods that was expended (both as raw materials and as capital equipment) in producing this total, then the remainder constitutes the net product of the national economy of the year.”[6] Thus, net product focused on final output only, and excluded business-to-business (B2B) transactions in the supply chain. He expanded his “net output” data to measure Gross National Product (GNP) starting in 1942.[7]

Following the Bretton Woods Agreement in 1946, GNP became the standard measure of economic growth. Wassily Leontief, another Russian America economist at Harvard University, followed with the development of the first input-output tables, which he regarded as a better survey of the whole economy. I-O accounts require examining the “intervening steps” between inputs and outputs in the production process, “a complex series of transactions…among real people”[8]

I-O data created the first estimates of gross output. However, Leontief did not emphasize GO as an important macroeconomic tool. He focused on gross output-by-industry, i.e., the inner-workings between industries, not the aggregate GO. The BEA began publishing GO data on an annual basis in the early 1990s, and was not updated on a quarterly basis until 2014. BEA director J. Steven Landefeld spearheaded the effort to bring gross output and gross output-by-industry up to date and released quarterly.

Mark Skousen introduced gross output as an essential macroeconomic tool in his work, The Structure of Production in 1990;[9] see also Mark Skousen, “At Last, a Better Economic Measure,” Wall Street Journal (April 23, 2014)[10] According to Skousen, GO demonstrates that business spending is significantly larger than consumer spending in the economy, and tends to be more volatile than GDP. Earlier-stage and intermediate inputs in GO may also be helpful in forecasting the direction of economic growth. He contends that gross output should be the starting point of national income accounting, and offers a more complete picture of the macro economy. GO can be integrated into macroeconomic analysis and textbook economics, and is more consistent with leading indicators and other macroeconomic data. He makes the case that GO and GDP complement each other as macroeconomic tools and that both should play a vital role in national accounting statistics, much like top line and bottom line accounting are employed to providing a complete picture of quarterly earnings reports of publicly-traded companies.

Controversies

Economists have praised and criticized gross output. They include David Colander,[11] followed by a rejoinder by Mark Skousen,[12] Steve Hanke,[13] Gene Epstein[14] and Steve Forbes[15]

Skousen has also criticized the BEA’s measure of gross output for failing to include measure the total gross sales at the wholesale and retail level, amounting to more than $7 trillion of business spending (B2B) in 2014.[16]

See also

Notes and references

  1. ↑ "What is gross output by industry and how does it differ from gross domestic product by industry?".
  2. ↑ Analysis, US Department of Commerce, BEA, Bureau of Economic. "Bureau of Economic Analysis". www.bea.gov. Retrieved 2015-11-03.
  3. ↑ Jorgenson, Dale W.; Landefeld, J. Steven; Nordhaus, William D. ed. (2006). A New Architecture for the U. S. National Accounts. Chicago University Press. p. 6.
  4. ↑ Fisher, Irving (1920). The Purchasing Power of Money: Its Determination and Relation to Credit, Interest, and Crises (PDF). New York: Macmillan Co. pp. 27–29.
  5. ↑ Hayek, Friedrich A. (1931). Prices and Production. Routledge.
  6. ↑ Kuznets, Simon (June 7, 1934). "National Income, 1929-1932". National Bureau of Economic Research, Bulletin 49.
  7. ↑ Coyle, Diane (2014). GDP: A Brief but Affectionate History. Princeton University Press. pp. 13–16. ISBN 9780691156798.
  8. ↑ Leontief, Wassily (1986). Input-Output Economics, 2nd Edition. Oxford University Press. pp. 4–5. ISBN 978-0195035278.
  9. ↑ Skousen, Mark (1990). The Structure of Production. New York University Press. ISBN 978-0814778951.
  10. ↑ Skousen, Mark (April 22, 2014). "At Last, a Better Economic Measure". Wall Street Journal.
  11. ↑ Colander, David (September 2014). "Gross Output: A Revolutionary New Way to Confuse Students About Measuring the Economy". Eastern Economic Journal.
  12. ↑ Skousen, Mark (March 2015). "On the Go: De-Mystifying Gross Output". Eastern Economic Journal.
  13. ↑ Hanke, Steve (July 2014). "GO: J.M. Keynes versus J.-B. Say" (PDF). GlobeAsia.
  14. ↑ Epstein, Gene (April 28, 2014). "A New Way to Gauge the U.S. Economy". Barron's.
  15. ↑ Forbes, Steve (April 14, 2014). "New, Revolutionary Way To Measure The Economy Is Coming -- Believe Me, This Is A Big Deal". Forbes Magazine.
  16. ↑ Skousen, Mark (2015). "Some Defects in BEA’s Definition of Gross Output," in "Introduction to the New Third Revised Edition,". The Structure of Production, 3rd revised ed. (NYU Press). pp. xv–xvi. ISBN 978-1479848522.
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