Productivity Growth Will Push Stocks Higher

 | Nov 17, 2017 01:52AM ET

After a long slump, productivity growth is accelerating again -- and the reasons for the acceleration further reinforce our view that we are in a late, bullish phase of the economic and market cycle, with more upside to come for stocks. As we have said many times in recent months, “This bull market is not dead” -- and this is further evidence to support our thesis.

We’ve written a lot about productivity growth and the reasons for the slowdown of the last several years. That slowdown has been a key component of the lackluster GDP growth that has dogged the U.S. economy in the years following the Great Recession. In simplest terms, productivity drives GDP; GDP drives corporate profits; and corporate profits drive stock prices. That’s why we watch productivity trends -- to give us an important large-scale perspective on the economic dynamics within which the market is operating.

Economic theory is only useful, from our perspective, if it gives an investor the insight to avoid a major decline, the courage to stay in a bull market, and the wisdom to choose stocks that can outperform. If what follows doesn’t make sense to you, please give us a call.

h2 Productivity Growth: What It Is/h2

Below, we’ll say a little about what factors influence an economy’s productivity, how those are now changing, and what it means for U.S. GDP growth, corporate profits, and stock prices.

Put simply, “productivity” measures a society’s resources of land, labor, and capital, and how well it transforms those resources into valued goods and services. Productivity growth tells you how that ability to transform resources into goods is improving over time -- which makes the productivity growth trend one of the most important measures of economic health as far as stock-market returns are concerned.

Productivity has three major components:

• “Labor quality”: the skills and qualities of the labor force, such as education, experience, age, and other demographic characteristics

• Capital expenditures, or “capital deepening”: companies making capital investments to give their workers better buildings and equipment to work with

• “Total factor productivity” -- basically, everything else: technological innovation, improved efficiency, more efficient allocation of resources, economies of scale

In the years of depressed productivity growth and anemic GDP growth that followed the Great Recession, many observers and analysts struggled to find an explanation of what was going on. Some came to the conclusion that an intractable, long-term, structural process was underway that would keep productivity growth and GDP growth permanently below their previous trends -- a depressing “new normal.”

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However, we note that it was capital expenditures falling off a cliff is what really dragged down productivity growth in the post-recession era.

Components of U.S. Productivity Growth, 1950–2016