Seigniorage - The Profit of Creating Money

Since the cost of producing fiat money is low, the face value of the currency can be much larger than its cost of production. For instance, it costs 6 cents to print a United States (US) Federal Reserve note, regardless of its denomination. Hence, the printer of paper currency profits by creating more money. The value of money over its cost of production is called seigniorage.

There is some seigniorage in minting commodity monies as well — but not always. In 2013, the cost of minting a US penny was 2 cents and the cost to mint a nickel was a dime. However, when there is a profit, it is not nearly as great as it is for paper currency, since commodity money does have intrinsic value. Sometimes, governments increase their seigniorage profits by debasing their coins with cheaper metals; other times, the government will stop producing the coin, as the US did with the half-cent in 1857.

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However, there must be some seigniorage for creating money for it to continue circulating as money; otherwise, if the metal is more valuable and it is economical to do so, the coins would be taken out of circulation and melted for its metal. For instance, in 1792, the Continental Congress's first coinage act minted both gold and silver coins. However, the amount of gold in the coins was more valuable as bullion than it was as coins, so little gold was sold to the mint for coinage. And the silver dollars at that time could be exchanged for Spanish dollars at face value. Since the Spanish dollars had more silver, it was profitable to exchange the American silver dollars for the Spanish dollars, which were then melted down and sold to the mint. Although the metal in the penny and the nickel are more valuable than the face value of the coins, it probably would not be economical to collect enough coins, melt them down, then sell the metal.

Seigniorage is Greatest for Electronic Money

The greatest amount of seigniorage results from the electronic creation of money, since virtually any amount of money can be created electronically at virtually no cost.

In most countries, central banks have control over the creation and destruction of money. For instance, because of the credit crisis of 2008 and 2009, central banks all over the world were creating vast amounts of money — often called quantitative easing — by buying government securities with their newly created money, thereby trading debt securities, which cannot be used as a means of payment, into money, which can be. Buying government securities injects the new money into the economy by giving it to the traders who sold their debt securities. For instance, when the Federal Reserve, which is the central bank of the United States, purchases Treasuries from its primary dealers—mostly commercial or investment banks—it simply increases their reserves by the amount of the purchase price, allowing the banks to lend or invest the money in the general economy.

After the economies get going, then the central banks will lower the supply of money by reversing the effects of quantitative easing, by selling government securities to their primary dealers, which decreases the dealers' reserves at the central bank, thereby reducing the supply of money to the economy. The money supply can also be decreased by increasing reserve requirements for the banks, or by raising the discount rate, which is the interest rate that banks must pay for interbank loans.

However, there is a limit to how much money governments can create before they hurt their economies through inflation. If money doesn't have a relatively stable value, then people lose faith in it as a medium of exchange, and especially as a store of value, with dire consequences for the economy. This is why governments are mostly financed with taxes, even though taxes are unpopular.

Printing Currency

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The use of currency steadily declined in the 1970s and 1980s because of the increasing use of checks, credit cards, and electronic payments, although the desire for currency has increased slightly in the past few years because of distrust in banks during the recent credit crisis and because of low interest rates, which reduces the opportunity cost of holding currency. Although most money exists in electronic format, there is still a large demand for currency, especially in third-world countries that do not have the technology to manage and distribute electronic money.

Printers owned by the government create 85% of the 150 billion bank notes produced annually, but commercial printers are also used when central banks need more currency then they can produce. The only commercial printers that thrive by printing banknotes are those that are well trusted by central banks and governments to satisfy all of the requirements for printing currency, especially the need for security, so most of the major commercial banknote printers are well established and have a long history.

Many third-world countries generally contract the printing of their banknotes because they do not have the technology and know-how to create a currency that is both cheap to print yet hard to fake or copy. Currency must also be designed so that it is durable and look as if it is valuable, even though it has no intrinsic worth, to make it more acceptable as money by the people. For instance, De La Rue, a large banknote printer, just recently printed currency for both Iraq and the new country of South Sudan.