The problem today, however, is not inflation but deflation of the money supply. Some consumer prices may be up, but this can happen although the money supply is shrinking. Food prices, for example, are up; but it's because of increased costs, including drought in California, climate change, and mergers and acquisitions by big corporations that eliminate competition.
Adding money to the economy will not drive up prices until demand is saturated and production has hit full capacity; and we're a long way from full capacity now. Before that, increasing "demand" will increase "supply." Producers will create more goods and services. Supply and demand will rise together and prices will remain stable. In the US, the output gap -- the difference between actual output and potential output -- is estimated at about $1 trillion annually. That means the money supply could be increased by at least $1 trillion annually without driving up prices.
No Need to Sterilize
If PQE does go beyond full productive capacity, the government does not need to rely on the central bank to pull the money back. It can do this with taxes. Just as loans increase the money supply and repaying them shrinks it again, so taxes and other payments to the government will shrink a money supply augmented with money issued by the government.
Using 2012 figures (drawing from an earlier article by this author), the velocity of M1 (the coins, dollar bills and demand deposits spent by ordinary consumers) was then 7. That means M1 changed hands seven times during 2012 -- from housewife to grocer to farmer, etc. Since each recipient owed taxes on this money, increasing M1 by one dollar increased the tax base by seven dollars.
Total tax revenue as a percentage of GDP in 2012 was 24.3%. Extrapolating from those figures, $1.00 changing hands seven times could increase tax revenue by $7.00 x 24.3% = $1.70. That means the government could, in theory, get more back in taxes than it paid out. Even with some leakage in those figures and deductions for costs, all or most of the new money spent into the economy might be taxed back to the government. New money could be pumped out every year and the money supply would increase little if at all.
Besides taxes, other ways to get money back into the Treasury include closing tax loopholes, taxing the $21 trillion or more hidden in offshore tax havens, and setting up a system of public banks that would return the interest on loans to the government. Net interest collected by U.S. banks in 2014 was $423 billion. At its high in 2007, it was $725 billion.
Thus there are many ways to recycle an issue of new money back to the government. The same money could be spent and collected back year after year, without creating price inflation or hyperinflating the money supply.
This not only could be done; it needs to be done. Conventional monetary policy has failed. Central banks have exhausted their existing toolboxes and need to explore some innovative alternatives.
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