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In some economics textbooks, the supply-demand equilibrium in the markets for money and reserves is represented by a simple so-called money multiplier relationship between the monetary base of the central bank and the resulting money supply including commercial bank deposits. This is a short-hand simplification which disregards several other ...
Monetary policy instruments are used for managing short-term rates (the federal funds rate and discount rates in the U.S.), and changing reserve requirements for commercial banks. Monetary policy can be either expansive for the economy (short-term rates low relative to the inflation rate ) or restrictive for the economy (short-term rates high ...
Money supply is determined by central bank decisions and willingness of commercial banks to loan money. Money supply in effect is perfectly inelastic with respect to nominal interest rates. Thus the money supply function is represented as a vertical line – money supply is a constant, independent of the interest rate, GDP, and other factors.
Almost every aspect of government has an important economic component. A few examples of the kinds of economic policies that exist include: [1] Macroeconomic stabilization policy, which attempts to keep the money supply growing at a rate that does not result in excessive inflation, and attempts to smooth out the business cycle.
The money rate, in turn, is the loan rate, an entirely financial construction. Credit, then, is perceived quite appropriately as "money". Banks provide credit by creating deposits upon which borrowers can draw. Since deposits constitute part of real money balances, therefore the bank can, in essence, "create" money.
In monetary economics, the money multiplier is the ratio of the money supply to the monetary base (i.e. central bank money). If the money multiplier is stable, it implies that the central bank can control the money supply by determining the monetary base.
The period when major central banks focused on targeting the growth of money supply, reflecting monetarist theory, lasted only for a few years, in the US from 1979 to 1982. [16] The money supply is useful as a policy target only if the relationship between money and nominal GDP, and therefore inflation, is stable and predictable.
Consequently, the importance of the money supply as a guide for the conduct of monetary policy has diminished over time, [65] and after the 1980s central banks have shifted away from policies that focus on money supply targeting. Today, it is widely considered a weak policy, because it is not stably related to the growth of real output.