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A fall in the US unemployment rate to 4.6% in November from 4.9% in the month before, and 5% in November last year, has prompted some commentators to suggest that we are almost at the so-called natural rate, which is believed to be at around 4.5%.

It is held that once the unemployment rate falls below an "optimal" rate — called the Non-Accelerating Inflation Rate of Unemployment (NAIRU) — it sets off an inflationary spiral.

This acceleration in the rate of inflation takes place through increases in the demand for goods and services. It also lifts the demand for workers and puts pressure on wages, reinforcing the growth in the rate of inflation.

So from this perspective it will be difficult for President-elect Trump to implement his plan to lower tax rates and boost government outlays on projects including the improvement of roads and bridges without risking a strong increase in the rate of inflation. Or so it is held.

Note that in October, the yearly growth rate of the consumer price index already stood at 1.6% against 0.2% in October last year.

It also raises the likelihood that the Federal Reserve would have to adopt a more aggressive interest rate stance to counter any possibility for acceleration in the rate of inflation.

The NAIRU is an arbitrary measure, derived from a statistical correlation between changes in the consumer price index and the unemployment rate. What matters in the NAIRU framework is whether the theory "works," i.e., whether a decline in the unemployment rate below the NAIRU results in the acceleration in the rate of inflation.

Using statistical correlation as the basis of a theory means that "anything goes." For example, let us assume that a high correlation has been found between the income of Mr. Jones and the rate of growth in the consumer price index. The higher the rate of increase of Mr. Jones’s income, the higher the rate of increase in the consumer price index.

Therefore we could easily conclude that in order to exercise control over the rate of inflation the central bank must carefully watch and control the rate of increases in Mr. Jones’s income. This example is no more absurd than the NAIRU framework.

The purpose of a theory is to present the facts of reality in a simplified form. The theory must originate from the reality and not from some arbitrary idea that is based on a statistical correlation.

Contrary to popular thinking, strong economic activity doesn't cause a general rise in the prices of goods and services and an economic overheating labeled as inflation. Regardless of the rate of unemployment, so long as every increase in expenditure is supported by production, no "overheating" can actually occur.

RELATED: "Inflation Is Not About Price Increases"

The overheating emerges once expenditure rises without being backed up by production, a situation that occurs when the money stock is increasing. Once money increases, it generates an exchange of nothing for something, or consumption without preceding production.

As a rule, increases in the money stock are followed by general increases in the prices of goods and services. Prices are another name for the amount of money that people spend on goods they buy. When money is injected it never goes to all the markets instantly but by stages — there is a time lag. Hence the reason for the time lag between changes in money and changes in prices.

If the amount of money in an economy increases while the amount of goods remains unchanged more money will be spent on the given amount of goods (i.e., prices will increase). Conversely, if the stock of money remains unchanged it is not possible to spend more on all the goods and services, hence no general rise in prices is possible. By the same logic, in a growing economy with a growing amount of goods and an unchanged money stock, prices will fall.

Limiting Government Spending and Money Creation Will Lead to Wealth Creation

Now, if President-elect Trump were to seal off all the loopholes for the creation of money out of “thin air” and lower government outlays, this will leave more real wealth in the hands of the wealth generating private sector. This will strengthen the wealth generating process.

A strengthening in the wealth generating process will permit the increase in the production of goods and services, i.e., a strengthening in economic growth. Consequently, this will correspond to the decline in the growth rate in the prices of goods and services. (Remember the loopholes for money creation out of "thin air" are sealed off.) This will also correspond to the decline in the unemployment rate.

Observe in a free unhampered economy with minimal government involvement in economic activity and in the absence of money generation out of "thin air" an efficient use of resources will take place. In such an environment no one would need establish the so-called NAIRU. Such an environment will be conducive for real wealth expansion, a low unemployment rate and a declining rate of inflation.

Also note that in a properly functioning market economy any form of unemployment will be of a voluntary nature. Individuals will be paid in accordance with their contribution to the production of wealth. Any one insisting on a wage rate above his or her contribution to the wealth generation will be unemployed.

However the chances that Donald Trump is going to embrace a smaller government with the loopholes for money creation out of "thin air" sealed off is probably nil.

More Government Spending Will Undermine Wealth Creation

Hence we suggest that any aggressive expansion in government outlays are likely to undermine further the process of wealth generation and lead to economic difficulties ahead.

Obviously if the wealth generation process is still capable of absorbing all the abuses on account of government expansion and the central banks’ reckless monetary policies, then the policies of Donald Trump and the Fed will appear to be successful.

This illusion is going to be shattered once the pool of real wealth will fall onto a declining path. Once this happens the economy will fall into a severe economic crisis.

Any aggressive loose stance by the Federal Reserve and the government will only make things much worse. Remember government is not a wealth generating entity — it only consumes real wealth.