The 2% Inflation Target: An Arbitrary Goal with Real Impact

The 2% Inflation Target: An Arbitrary Goal with Real Impact

In the intricate world of monetary policy, few targets are as widely adopted yet as curiously arbitrary as the 2% inflation rate. While many of the world’s leading economies, including the G7 nations, the Eurozone, and recently China, have set their central banks the task of maintaining price stability with a 2% annual inflation target, the origins and justifications for this specific figure are less empirical and more historical than many might assume.

The practice of central banks publicly targeting inflation has become a cornerstone of modern economic management. Approximately 45 countries and the entire Euro area now operate under some form of inflation targeting. This approach aims to guide monetary policy and provide a benchmark for assessing performance. However, the choice of 2% as the optimal inflation rate, rather than 0% or even a deflationary target, warrants closer examination.

The Bizarre Origins of a Monetary Dogma

The genesis of the 2% inflation target is surprisingly recent and, in many ways, serendipitous. New Zealand, the first country to formally implement an inflation target 36 years ago, set a range of 0% to 2% in 1989. This move came during a period of high global inflation. The specific figure of 2% reportedly emerged from a television interview given by the former Finance Minister, Roger Douglas, who had previously suggested a 0% to 1% target. The legislation eventually settled on the 0% to 2% range, allowing for greater flexibility.

Similarly, the U.S. Federal Reserve did not adopt an explicit inflation target until 1996, and this target was only made public in 2012. Despite its somewhat arbitrary beginnings, the 2% target has become deeply ingrained in central banking philosophy. Even Japan, for years battling stagnant prices and deflation, actively sought to push its inflation rate up to 2%.

Justifications for a Positive Inflation Target

Despite the lack of a robust empirical process for its selection, several key arguments support the targeting of a low, positive inflation rate:

• Preservation of Purchasing Power (Short-Term): A 2% inflation rate is considered low enough not to significantly erode the purchasing power of money on a year-to-year basis. While long-term savings will inevitably lose value, the short-term impact is deemed minimal. For instance, at a 2% inflation rate, a dollar today would lose half its value over approximately 35 years.
• Monetary Policy Flexibility: Targeting inflation above 0% provides central banks with greater room to maneuver their monetary policy. Interest rates are closely linked to inflation; lenders typically demand compensation for the erosion of their money’s value over time. A higher inflation target implies higher baseline interest rates, giving central banks more capacity to cut rates to stimulate the economy during downturns. The 0% interest rate is often considered a practical lower bound, although negative rates have been observed.
• Facilitating Real Wage Adjustments: A positive inflation rate can make it easier for companies to adjust real wages in response to economic shocks. In theory, during a recession, companies should be able to reduce labor costs through wage cuts. However, actual wage cuts are rare; firms often resort to layoffs instead. With positive inflation, companies can freeze nominal wages, effectively reducing real wages without explicit cuts, potentially aiding economic stabilization. This principle also applies to interest rates, which can become negative in real terms during inflationary periods.
• Avoiding Deflation: A target above 0% helps central banks avoid deflation, a sustained decrease in the general price level. Since inflation can fluctuate, a higher target reduces the likelihood of prices falling into negative territory.

The Perils of Deflation

Deflation, often viewed positively by individuals with significant savings, is widely feared by economists due to its potential negative consequences for economic activity. The primary concern is that falling prices incentivize consumers and businesses to postpone spending and investment, anticipating even lower prices in the future. This can lead to a ‘deflationary spiral’: falling prices reduce corporate profits, prompting cost-cutting measures like layoffs and wage reductions, which in turn decrease spending and further depress prices.

Historically, countries like Japan have experienced prolonged periods of sluggish growth and deflation, often referred to as ‘lost decades,’ following asset market crashes. While savings may increase in real value during deflation, the ability to accumulate savings can be hindered by falling incomes and rising unemployment. Furthermore, the real burden of existing debt, such as mortgages and credit card balances, increases as the value of money rises, making repayment more challenging, especially for individuals facing declining incomes.

It is worth noting that not all deflation is detrimental. Technological advancements can lead to productivity gains and falling prices without necessarily signaling economic distress. The late 1800s, for example, saw both falling prices and rapid economic expansion during the Industrial Revolution, driven by technological innovation, though a constrained money supply also played a role.

Criticisms and Challenges of Inflation Targeting

Critics argue that the 2% target does not always translate into reality. In practice, wages and savings rates may not keep pace with inflation, leading to a decline in real income for many households. The measurement of inflation itself is complex, with indices like the Consumer Price Index (CPI) not always accurately reflecting household spending patterns, particularly when substitution effects occur as consumers shift to cheaper alternatives.

Additional costs associated with inflation include ‘menu costs’—the expenses incurred by businesses when they have to frequently update prices. Moreover, inflation can lead to a higher tax burden if tax brackets are not indexed to inflation, meaning individuals may pay a higher percentage of their income in taxes even if their real wages have not increased.

Empirically proving the optimal inflation or deflation target for economic activity remains challenging, especially given the limitations in historical data collection prior to the mid-20th century. While some economists, like former Fed Chair Alan Blinder, have suggested that a slightly higher inflation target might have been preferable, changing a long-established target poses its own risks.

Inertia and the Future of Inflation Targeting

A significant factor in maintaining the 2% target is inertia. Central banks have built credibility around this figure, and altering it could undermine market confidence. Therefore, a considerable part of the reason for the persistence of the 2% target, despite its arbitrary origins, is the difficulty in changing a deeply embedded policy without risking market instability.

While the core 2% target has remained largely consistent, central banking practices have evolved. Many central banks have moved from targeting a range to a specific figure and have increased the time horizon for achieving their objectives, often incorporating other factors like employment into their considerations. Whether a significant shift in inflation targeting will occur in the future remains to be seen, but for now, the 2% target, born from historical circumstance rather than empirical certainty, continues to guide global monetary policy.

Source: Why Central Banks Target 2% Inflation (YouTube)