Monday, November 5, 2018

Trends in the U.S. Economy: Value Added GDP

On November 1 the Bureau of Economic Analysis released GDP numbers by industry (which is the source for all data in this article). Representing value added, it is an often overlooked way to slice GDP and get a different view of our economy than the usual forms: spending and income. 


Data on value added is best known as the tax base for value-added taxes (VATs) used instead of sales taxes in many countries. It is also useful to explain the industrial structure of an economy, which in turn is helpful in devising tax systems, regulatory structures and even monetary and social policies. 

Annual data is more appropriate for analysis of longer-term trends. Before we get to that, though, let us first see where the most value is added to the U.S. economy. Tables 1a and 1b report America's top ten value-adding industries, in 2017 and 1997, respectively:

Table 1a, $bn, current prices
2017
Finance, Real estate           4,057
Professional services           2,426
Manufacturing           2,180
Education, Health           1,700
Wholesale trade           1,174
Retail trade           1,087
Information           1,051
Entertainment, Accommodation              805
Construction              781

It may come as a surprise that manufacturing is the third-largest industry in the United States. We often hear that "we don't manufacture anything in this country anymore," obviously an exaggerated if not outright erroneous statement. In 1997, the same table looked as follows: 

Table 1b, $bn, current prices
1997
Finance, Real estate           1,612
Manufacturing           1,383
Professional services              841
Education, Health              591
Retail trade              580
Wholesale trade              528
Information              394
Construction              340
Entertainment, Accommodation              302
Transportation, Warehousing              257

On average, annual growth in the past 20 years has been as follows:


Table 1c; current prices

20yr avg growth
Information6.1%
Professional services3.1%
Education, Health2.7%
Wholesale trade2.6%
Finance, Real estate2.5%
Total private2.4%
GDP2.3%
Retail trade2.2%
Manufacturing1.9%
Transportation, Warehousing1.5%
Other private1.2%
Manufacturing has been growing more slowly than the private-industry average, but it has only overtaken by the industry known as "professional and business services." There is a reason for this that is not necessarily related to the migration abroad of manufacturing jobs. This industry includes legal services, computer systems and solutions architecture, accounting, architecture and engineering consultants, research and development, advertising and public relations, and other specialized professional services. The growth in this industry reflects the growth in consulting, especially in computer systems and solutions architecture. In current prices, its value added has increased by 329 percent from 1997 to 2017, far above the 189 percent for the professional-services industry as a whole. 

Notably, employment services comes in second at 290 percent, with management and technical consulting third at 273 percent. This indicates that American businesses have become more flexible in their organizational structure, farming out more work to consultants. It also shows that professionals increasingly prefer to work in a consulting environment as opposed to traditional, salaried employment. 

The move from traditional employment to consulting has an upside and a downside:
  • On the one hand, it allows businesses to concentrate on their core functions where they build their strength;
  • On the other hand, it can be the result of a more short-sighted strategy where the eyes of corporate management is on the bottom line, rather than long-term strength.

As for manufacturing, its resiliency is remarkable given regulatory and tax policies over the past 20 years; the numbers presented here precede the reforms under the Trump administration. We will probably see positive effects in the 2018 figures from regulatory roll-back and the substantial cut in corporate income taxes. 

Since 1997, manufacturing as a whole has increased by 158 percent, in current prices. The following types of manufacturers have grown the most:

Table 2, $bn current prices
20yr growth
Heady duty trucks 287.5%
Pharmaceutical products 253.6%
Aerospace products and parts 248.8%
Navigational, measuring, electromedical, control instruments 247.2%
Basic chemical products 244.3%
Medical equipment and supplies 228.0%
Beverages 227.8%
Mining and oil and gas field machinery 221.6%
Light truck and utility vehicles 213.6%
Food 200.4%

The overall industrial structure in the U.S. economy has remained relatively stable over the past 20 years. This is not surprising, given that we are the world's largest economy and institutionally one of the most stable. However, the growth indicated in Tables 1a and 1b suggest some structural shifts, such as the growth in professional services:

Figure 1; current prices

Overall, the U.S. economy is in good shape. The big, dark cloud over it is the giant national debt, which is not only jeopardizing private-sector growth but also becoming a problem for our national security. It is time for Congress and the president to take the debt problem seriously, but they need to begin with reining in spending; if they don't, they will destroy the renewed path to prosperity that the Trump administration's deregulations and tax cuts have opened up.

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