Why we have a wage inequality problem

by Gail Tverberg

Wage inequality is a topic in elections around the world. What can be done to provide more income for those without jobs, and those with low wages?

Wage inequality is really a sign of a deeper problem; basically it reflects an economic system that is not growing rapidly enough to satisfy everyone. In a finite world, it is easy for an economy to grow rapidly at first. In the early days, there are enough resources, such as land, fresh water, and metals, for each person to get a reasonable-sized amount. Each would-be farmer can obtain as much land as he thinks he can work with; fresh water is readily available virtually for free; and goods made with metals, such as cars, are not expensive. There are many jobs available, and wages for most people are fairly similar.

As population grows, and as resources degrade, the situation changes. It is still possible to grow enough food, but it takes large farms, with expensive equipment (but very few actual workers) to produce that food. It is possible to produce enough water, but it takes high-tech equipment and a handful of workers who know how to use the high-tech equipment. Metals suddenly need to be lighter and stronger and have other characteristics for the high tech industry, thus requiring more advanced products. International trade becomes more important to be able to get the correct mix of materials for the advanced products needed to operate the high-tech economy.

With these changes, the economic system that previously provided many jobs for those with limited training (often providing on-the-job training, if necessary) gradually became a system that provides a relatively small number of high-paying jobs, together with many low-paying jobs. In the United States, the change started happening in 1981, and has gotten worse recently.

Figure 1. Chart comparing income gains by the top 10% to income gains by the bottom 90% by economist Emmanuel Saez. Based on an analysis IRS data, published in Forbes.Figure 1. Chart comparing income gains by the top 10% to those of the bottom 90%, by economist Emmanuel Saez. Based on an analysis IRS data; published in Forbes.

What Happens When An Economy Doesn’t Grow Rapidly Enough?

If an economy is growing rapidly enough, it is easy for everyone to get close to an adequate amount. The way I think of the problem is that as economic growth slows, the “overhead” grows disproportionately, taking an ever-larger share of the goods and services the economy produces. The ordinary worker (non-supervisory worker, without advanced degrees) tends to get left out. Figure 2 is my representation of the problem, if the current pattern continues into the future.

Figure 2. Authors' depiction of changes to workers share of output of economy, as costs keep rising for other portions of the economy keep rising.Figure 2. Author’s depiction of changes to workers share of output of economy, if costs keep rising for other portions of the economy. (Chart is only intended to illustrate the problem; it is not based on a study of the relative amounts involved.)

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It seems to me that in the picture ‘changes to workers’  share’ author has omitted top 10% income increase which makes the worker’s share falling. But more, He has omitted the main cause of inequality – unrestricted greed, our genetic heritage.  Imants Vilks

About basicrulesoflife

Year 1935. Interests: Contemporary society problems, quality of life, happiness, understanding and changing ourselves - everything based on scientific evidence. Artificial Intelligence Foundation Latvia, http://www.artificialintelligence.lv Editor.
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