Money Demand and Supply Functions. A money demand function intends to display the influence that some economic aggregate variables will have upon the aggregate demand for money. The above discussion indicates that money demand will depend positively on the level of real GDP and the price level due to the demand for transactions.
Jan 16, 2018 That money, the majority of what each bank holds, is available for lending purposes, which, as noted, expands the aggregate money supply. The formula by which the multiplier effect is calculated.

Formula For Real Money Supply Formula
Formula For Real Money Supply Macroeconomics
Formula For Real Money Supply Definition
Formula For Real Money Supply Equation

What is the Money Supply?

The money supply is the stock of money in the economy. It is determined by the uses to which certain physical and financial assets are put. For example, in many cultures in the past, shells have been used as money. In those cultures, the shells thus used would have formed part of the money supply. Therefore, any investigation of the money supply must consider the functions that money performs in the economy.

Money supply × velocity of money = price level × real GDP. The left side of this equation is the product of two variables, the money supply and the velocity of money. The right side is.

Money performs a number of roles in our economy. At least four can be identified. Money functions (i) as a medium of exchange; (ii) as a unit of account; (iii) as a store of value; and (iv) as a means of making payments inter-temporarily, i.e., over time. Its most obvious role, the one everyone is familiar with, is as a medium of exchange, the role it performs, most notably, in commerce.

The importance of money as a medium of exchange has given rise to speculation that its origins stem from that role. In the absence of money, an economy would have to resort to bartering and face the problem of the “double coincidence of wants.” For example, a farmer who wanted to consume meat would not only have to find a butcher but one who wanted wheat. However, in a money economy, all he need do is sell his wheat and use some of the proceeds to purchase meat. As such, money allows a wider range of transactions than would otherwise be possible.

Others (Innes, 1913) have suggested that money first arose to facilitate inter-temporal transactions. The farmer must eat his meat today if he is to survive but his crops may not be ready for harvesting right now. He can, however, issue an IOU to the butcher, i.e., a promise to pay at some future time. If the farmer is known as an honorable man, the butcher can use his IOU to pay the shop for his wife’s new clothes. This hypothesis has some credence, since most (over 90 percent) money today is a form of debt.

Money is a store of value, but for individuals only and not for the economy as a whole. For an individual, money is simply another form of wealth. Having a house worth one million dollars is equivalent to having one million dollars in a bank account. Moreover, the role of money as a store of value derives from its function as a unit of account. A unit of account is a measure that allows the comparison of value.

History of the Money Supply

Historically, many commodities have been used as money, for example salt. Some historians, citing Pliny the Elder, claim the term “salary” to be derived from the Roman word for salt, although others have disputed this. Regardless, metals have proved to have many of the characteristics required of money. They are durable and easily divisible into amounts that are portable.

Of all the metals used for money, none have assumed greater importance than silver and gold. No doubt because of their limited supply and physical characteristics, there has always been an intrinsic demand for these two metals. In almost all cultures, they are used for jewelry and ornamentation. In addition, gold possesses unique properties that add to its mystique. Not only is it immutable, i.e., does not tarnish, but it has a high degree of malleability and ductility. Its malleability means that one ounce of gold can be beaten into a sheet measuring 100 square feet. Its ductility allows one ounce to be drawn into approximately 50 miles (80 kilometers) of thin gold wire.

From the earliest times, in most cultures, silver and gold in the form of coins were used as money. This historic use of silver and gold makes some argue that only silver and gold are “real” money. However, whether or not a thing is regarded as money depends on the function it performs rather than what it is. A better understanding of what the “money supply” consists of may be gained by following its development over time.

By the medieval period, most money consisted of coin made from silver or gold. Thus, the money supply was mostly coin, at times supplemented by bullion, bills of exchange and other valuable commodities. A bill of exchange is an order, in writing, requiring payment to a specified person or bearer at a specified time. A check is a bill of exchange.

Fiat Money

In the West, paper money was derived from the use of silver and gold. Owners of these precious metals would leave them with goldsmiths, whose well-fortified premises and vaults promised greater security. In return, the goldsmith would issue a receipt to the owner. If someone had to be paid, the owner of the gold would give that person the goldsmith’s receipt or would write instructions to the goldsmith – a check – who would release the required amount of gold. Very often, for security reasons again, the payee preferred the goldsmith to hold onto the gold. Therefore, the goldsmith would hardly ever have to dispense gold. All he need do was keep a record of transactions. This allowed the goldsmith to issue additional “receipts” to those who wanted to borrow money. By the late Renaissance, the issue of “receipts” or “notes” by goldsmiths had become accepted. Together with coin, such notes now made up the money supply.

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The first such notes issued under the authority of a European government were those issued by Stockholms Banco of Sweden in 1660. Other European governments followed Sweden’s lead, allowing banks in their countries to issue notes, which naturally took on the name of “banknotes.” Generally, banknotes were redeemable in coin. For example, until 1971, the U.S. dollar could be exchanged for gold, on demand. To a large extent, at this point, the money supply would have consisted of money issued by the government or a central bank, which is why it is sometimes referred to as central bank money. Although, currency in the U.S. today is not redeemable in gold, it is backed by the “full faith and credit” of the U.S. government. The U.S. dollar has been declared by fiat (formal authorization) to be legal tender by the federal government; hence it is known as fiat money.

Over time, as public acceptability grew, banknotes, particularly those issued by a central bank became trusted in their own right. Very few members of the public sought to redeem them in gold. Moreover, the use of checks to transfer cash in the bank and make payments developed and increased. A corollary to this was that a bank was only having to pay out part of the cash it held in its vaults. This allowed the bank to extend loans just as the goldsmiths did. To do so, a bank would record the transaction by opening a “bank account” for the amount of the loan. The borrower could then withdraw banknotes against the balance or make payments by way of check. In effect, the bank account had become a medium of exchange. And since it was not opened to record a deposit of cash or gold, it was actually new money. By making a loan, the bank had increased the money supply. The money supply now consisted of coin, banknotes and bank accounts. However, unlike the coin and banknotes, bank accounts were entirely a creation of the commercial banks.

All that Glitters is Not Gold

The way that depositary institutions create money is usually explained in economics texts as giving rise to a fractional reserve banking system, an extension of the concept that made it possible for goldsmiths and banks to make

Formula For Real Money Supply