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Indexation is a technique to adjust income payments by means of a price index, in order to maintain the purchasing power of the public after inflation, while deindexation is the unwinding of indexation.
From a macroeconomics standpoint there are four main categories of indexation:
The first three are indexed to inflation. The last one is typically indexed to a foreign currency, mainly the US dollar. Any of these different types of indexation can be reversed (deindexation).
Applying a cost-of-living escalation COLA clause to a stream of periodic payments protects the real value of those payments and effectively transfers the risk of inflation from the payee to the payor, who must pay more each year to reflect the increases in prices. Thus, inflation indexation is often applied to pension payments, rents and other situations which are not subject to regular re-pricing in the market.
COLA is not CPI, which is an aggregate indicator. Using CPI as a COLA salary adjustment for taxable income fails to recognize that increases are generally taxed at the highest marginal tax rate whereas an individual's rising costs are paid with after-tax dollars - dollars commensurate with an individual's average after-tax level. Indexing tax brackets does not address this fundamental issue but it does effectively eliminate "bracket-creep".
Indexation has been very important in high-inflation environments, and was known as monetary correction "correção monetária" in Brazil from 1964 to 1994. Some countries have cut back significantly in the use of indexation and cost-of-living escalation clauses, first by applying only partial protection for price increases and eventually eliminating such protection altogether when inflation is brought down to single digits.
Protecting one of the parties from the risk of inflation means that the price risk must be shifted to another party. For example, if state pensions are adjusted for inflation, the price risk is passed from the pensioners to the taxpayers.
When a government decides to index wages of government employees to inflation it is to transfer the risk of inflation away from government workers onto the government. Such a policy is to attempt to reduce inflationary expectation and in turn inflation when it is rising rapidly. Research by economists is ambivalent on the success of such policies. Some have deemed it a success including Friedman (1974), Gray (1976), and Fischer (1977). Others have considered it less successful as they observed that indexation breeds inflation inertia (a reduction in the government and the central bank's effort in fighting inflation leading to inflation rate remaining higher than targeted). This perspective is supported by Bonomo and Garcia (1994).
The economists diverging opinions on the merit of indexation often depend on what data they looked at. A given country over a specific time series may have been successful conducting indexation. While another country at another time may have been less successful. Some economists believe there are appropriate times for indexation (when inflation is really high) and times for deindexation (when inflation has moderated after indexation, but remains still too high vs the central bank's inflation target).
In recent years Brazil, Chile, Israel, and Mexico have implemented successful inflation fighting campaigns by implementing the deindexation of wages (Lefort and Schmidt-Hebbel, 2002).
The indexation of government debt to inflation is related to transferring the inflation risk from depositors to the government in an attempt to reduce inflation. Some governments have ultimately subjected their short-term debt instruments to deindexation so their central bank could regain control of short-term interest rates from a monetary policy standpoint and be in a better position to fight inflation. Another objective of indexation, for certain governments with already low inflation rate, is to reduce their borrowing cost by paying lower interest rates to depositors in exchange for assuming inflation risk. Both the UK and the US have issued inflation indexed government bonds to reduce their borrowing costs. When governments such as the UK and the US issue both inflation indexed bonds and regular nominal bonds, it gives them precise information on inflation expectation by observing the difference in yields between the two types of bonds. Robert Shiller has done extensive research on all mentioned aspects of government bond indexation.
The indexation of tax rate is to avoid an increase in effective and marginal tax rates due to inflation pushing taxpayers taxable income into higher tax brackets even though their pre tax purchasing power has not changed. Tax codes of various countries can be very complicated. As a result, certain types of taxes may be partially or entirely subject to deindexation even though the main tax rate structure is not. This is the case in the US where the standard tax rate is indexed to inflation. But, its parallel Alternative Minimum Tax (AMT) code is not. As a result, a rising share of the taxpayers’ population is anticipated to become liable under the AMT which was originally implemented to tax only the very rich.(On January 2, 2013, President Barack Obama signed the American Taxpayer Relief Act of 2012, which indexes to inflation the income thresholds for being subject to the tax.[1]) In Canada, a recent reduction in tax rate was in part countered by a partial deindexation of certain credits (the credits were adjusted upward by the inflation rate – 3%).
The indexation of currency or exchange rate often refers to a country pegging its currency to the US dollar. In other words, such a country's central bank would buy or sell dollars so as to maintain a stable exchange rate with the dollar. Such a policy has been adopted by several Asian countries including China. If not for the mentioned pegging, the currencies of these countries would rise against the dollar as a result of the US chronic current account deficit with such countries. But, the Asian countries have a vested economic interest in keeping US demand for their exports high. That's where the pegging of their currency to the US dollar comes in. Often the pegging conducted by central banks is pretty discrete and not disclosed in any formal policy statement. The pegging also can be pretty elastic. A central bank will maintain an exchange rate within a deemed acceptable range instead of at a specific level. Over time, the acceptable range may broaden or narrow depending on such a country's economy overall reliance on exports to fuel growth. Thus, it is challenging to clearly observe the deindexation of a currency.
The euro is the official currency of 20 of the 27 member states of the European Union (EU). This group of states is known as the eurozone or, officially, the euro area, and includes about 344 million citizens as of 2023. The euro is divided into 100 cents.
In economics, inflation is an increase in the general price level of goods and services in an economy. When the general price level rises, each unit of currency buys fewer goods and services; consequently, inflation corresponds to a reduction in the purchasing power of money. The opposite of inflation is deflation, a decrease in the general price level of goods and services. The common measure of inflation is the inflation rate, the annualized percentage change in a general price index. As prices faced by households do not all increase at the same rate, the consumer price index (CPI) is often used for this purpose. The employment cost index is also used for wages in the United States.
A government bond or sovereign bond is a form of bond issued by a government to support public spending. It generally includes a commitment to pay periodic interest, called coupon payments, and to repay the face value on the maturity date.
In economics and political science, fiscal policy is the use of government revenue collection and expenditure to influence a country's economy. The use of government revenue expenditures to influence macroeconomic variables developed in reaction to the Great Depression of the 1930s, when the previous laissez-faire approach to economic management became unworkable. Fiscal policy is based on the theories of the British economist John Maynard Keynes, whose Keynesian economics theorised that government changes in the levels of taxation and government spending influence aggregate demand and the level of economic activity. Fiscal and monetary policy are the key strategies used by a country's government and central bank to advance its economic objectives. The combination of these policies enables these authorities to target inflation and to increase employment. Additionally, it is designed to try to keep GDP growth at 2%–3% and the unemployment rate near the natural unemployment rate of 4%–5%. This implies that fiscal policy is used to stabilise the economy over the course of the business cycle.
An interest rate is the amount of interest due per period, as a proportion of the amount lent, deposited, or borrowed. The total interest on an amount lent or borrowed depends on the principal sum, the interest rate, the compounding frequency, and the length of time over which it is lent, deposited, or borrowed.
In macroeconomics, the money supply refers to the total volume of currency held by the public at a particular point in time. There are several ways to define "money", but standard measures usually include currency in circulation and demand deposits. The central bank of a country may use a definition of what constitutes legal tender for its purposes.
In finance, an exchange rate is the rate at which one currency will be exchanged for another currency. Currencies are most commonly national currencies, but may be sub-national as in the case of Hong Kong or supra-national as in the case of the euro.
Monetary policy is the policy adopted by the monetary authority of a nation to control either the interest rate payable for very short-term borrowing or the money supply, often as an attempt to reduce inflation or the interest rate, to ensure price stability and general trust of the value and stability of the nation's currency.
The Bretton Woods system of monetary management established the rules for commercial and financial relations among the United States, Canada, Western European countries, Australia, and Japan after the 1944 Bretton Woods Agreement. The Bretton Woods system was the first example of a fully negotiated monetary order intended to govern monetary relations among independent states. The Bretton Woods system required countries to guarantee convertibility of their currencies into U.S. dollars to within 1% of fixed parity rates, with the dollar convertible to gold bullion for foreign governments and central banks at US$35 per troy ounce of fine gold. It also envisioned greater cooperation among countries in order to prevent future competitive devaluations, and thus established the International Monetary Fund (IMF) to monitor exchange rates and lend reserve currencies to nations with balance of payments deficits.
Fixed income refers to any type of investment under which the borrower or issuer is obliged to make payments of a fixed amount on a fixed schedule. For example, the borrower may have to pay interest at a fixed rate once a year and repay the principal amount on maturity. Fixed-income securities — more commonly known as bonds — can be contrasted with equity securities – often referred to as stocks and shares – that create no obligation to pay dividends or any other form of income. Bonds carry a level of legal protections for investors that equity securities do not — in the event of a bankruptcy, bond holders would be repaid after liquidation of assets, whereas shareholders with stock often receive nothing.
Foreign exchange reserves are cash and other reserve assets such as gold held by a central bank or other monetary authority that are primarily available to balance payments of the country, influence the foreign exchange rate of its currency, and to maintain confidence in financial markets. Reserves are held in one or more reserve currencies, nowadays mostly the United States dollar and to a lesser extent the euro.
The Bank of Korea is the central bank of the Republic of Korea and issuer of Korean Republic won. It was established on 12 June 1950 in Seoul, South Korea.
The Convertibility plan was a plan by the Argentine Currency Board that pegged the Argentine peso to the U.S. dollar between 1991 and 2002 in an attempt to eliminate hyperinflation and stimulate economic growth. While it initially met with considerable success, the board's actions ultimately failed. In contrast to what most people think, this peg actually did not exist, except only in the first years of the plan. From then on, the government never needed to use the foreign exchange reserves of the country in the maintenance of the peg, except when the recession and the massive bank withdrawals started in 2000.
The real interest rate is the rate of interest an investor, saver or lender receives after allowing for inflation. It can be described more formally by the Fisher equation, which states that the real interest rate is approximately the nominal interest rate minus the inflation rate.
The Central Bank of Trinidad and Tobago is the central bank of Trinidad and Tobago.
Hyperinflation affected the German Papiermark, the currency of the Weimar Republic, between 1921 and 1923, primarily in 1923. It caused considerable internal political instability in the country, the occupation of the Ruhr by France and Belgium, and misery for the general populace.
Currency intervention, also known as foreign exchange market intervention or currency manipulation, is a monetary policy operation. It occurs when a government or central bank buys or sells foreign currency in exchange for its own domestic currency, generally with the intention of influencing the exchange rate and trade policy.
A fixed exchange rate, often called a pegged exchange rate, is a type of exchange rate regime in which a currency's value is fixed or pegged by a monetary authority against the value of another currency, a basket of other currencies, or another measure of value, such as gold.
In macroeconomics, a flexible exchange-rate system is a monetary system that allows the exchange rate to be determined by supply and demand.
The BONEX Plan was a forced conversion of bank time deposits to Treasury bonds performed by the Argentine government in January 1990.
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