GDP: A Grossly Defective Product

 | Oct 27, 2016 07:35AM ET

Paul Wallace recently penned for Reuters an interesting article entitled: “GDP Is A Grossly Defective Product.” In the article he states:

Yet despite its theoretical appeal, GDP is, in practice, a fallible measure – and increasingly becoming one that could be described as a grossly defective product.

For one thing, the number shifts as more complete, up-to-date data becomes available. For another, national accountants change their definitions and approaches to better reflect the changing shape of the economy, such as the recent inclusion of research and development as investment.

He is absolutely correct.

Now, for all of you playing the home version of “Nail That GDP Number,” it was in 2013 the BEA decided that the economy was not growing fast enough and “tweaked” the GDP calculation and added in “intellectual property.” Those adjustments boosted GDP by some $500 million.

There are inherent problems when you begin to adjust the “math” to “goal seek” a specific outcome. For example, the problem with adding “intellectual property” is that the cost of a new cancer drug treatment, a Hollywood movie or a new hit song is already included in the value of product brought to market. In other words, since production is what drives economic growth, that value is captured in the quarterly analysis of business investment, spending, etc. Furthermore, how does the BEA value “intellectual property” accurately and fairly across all industries and products? Some products like a cancer treatment have a much different “value” than a song.

However, since those tweaks did not boost the economic growth rate as much as was hoped, the BEA went further in 2015 to adjust the calculation once again. To wit:

Nicole Mayerhauser, chief of BEA’s national income and wealth division, which oversees the GDP report, said in the statement that the agency has identified several sources of trouble in the data, including federal defense service spending. Mayerhauser said initial research has shown this category of spending to be generally lower in the first and the fourth quarters. The BEA will also be adjusting “certain inventory investment series” that have not previously been seasonally adjusted. In addition, the agency will provide more intensive seasonal adjustment quarterly service spending data.

I am not a conspiracy theorist by any stretch. However, something strikes me as very odd about the frequency of adjusting the calculation to obtain better outcomes.

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The Federal Reserve understands, as we push into the eighth year of the current economic expansion, that we are likely closer to the next recession than not. The problem is the Fed has remained stuck at the zero bound for interest rates for far too long.