BoJ Prepares to Rewrite the Monetary Playbook as Rate Hikes Loom

Decisions by the Bank of Japan capture investor interest from all markets because it holds a unique position in the financial system and affects global liquidity flows. 

Japan’s importance in global finance stems from its status as a major safe-haven market, a longstanding net creditor nation, and home to some of the world’s largest institutional investors, including the behemoth Government Pension Investment Fund (GPIF). 

Shifts in Japanese yields and Bank of Japan policy often trigger powerful waves of capital flows, influence global carry trades and move currency and bond markets worldwide. 

These dynamics of the BoJ are increasingly relevant for crypto as well: expectations of tightening in Japanese markets can quickly spill over into digital assets by affecting global liquidity and risk appetite.  

Pivotal decision 

The Bank of Japan is no stranger to pursuing policies on its terms, frequently diverging from prevailing global macroeconomic trends or policy norms elsewhere. 

The country has practically fought a deflationary economic environment since the housing and asset bubble burst in the early 1990s. To break this cycle, the BoJ has been forced to take policy actions to support the economy ever since.  

In recent years, while other major central banks were battling inflation fuelled by heavy fiscal spending and geopolitics that sent energy prices soaring, Japan faced no such conundrums. 

Now that other major central banks have brought their easing cycles to an end after raising rates to levels well above those seen after the financial crisis, the BoJ is finally prepping itself for a tightening cycle. Inflation is finally reaching its target levels in a sustainable model. 

Among market participants, the debate is not whether the BoJ will raise rates at the upcoming meeting but how long the tightening cycle might last, given how low-interest rates remain. 

Dropping the holy grail? 

There is speculation that the BoJ may stop framing its policy decisions in terms of the neutral rate and instead explain them through the effects of past tightening on credit availability, corporate funding conditions and overall economic momentum. The neutral rate would still be estimated internally. 

The neutral rate, a theoretical concept, is not naturally observed, and its estimation involves quite complex modelling. It is formally defined as a rate at which economy is growing at its potential, when investment equals savings and inflation is stable. 

If the interest rates set by central bank are above the neutral rate, the monetary policy is considered to be restrictive, if below then it's accommodating. 

Economists refer to it as the 'r-star'. Hence the expression that monetary policy decision is based on stars. 

The neutral rate has been used by central bankers since inflation targeting became a core part of their mandate. It is one of the favourite questions financial journalists like to pose to central bankers precisely because they know the answer will be elusive. 

There are multiple methods for estimating r*, each producing different results across a wide range, which is why central bankers typically describe it as a range rather than one single point. For example, Jerome Powell in his remarks last week, acknowledged that the interest rate set by the FOMC, after being lowered by 25 basis points, has now entered the range that some committee members view as consistent with the neutral rate. 

Neutral rates are thought to be influenced by factors such as investment, saving patterns and demographics. While there is broad agreement that the neutral rate has declined over past decades, many economists believe it has risen recently due to stronger fiscal stimulus and higher investment spending that has boosted productivity. 

It is estimated to be between 1% and 3% for most developed countries. In Japan, according to the BoJ, it lies between 1% and 2.5%. 

Far-flung consequences 

Dropping a key reference point in its communication toolkit would be highly unconventional for any central bank and, very much true to form for the BoJ. 

The shift would affect not only how the BoJ explains its decisions to the public but, on margins, how it makes those decisions in the first place. However, by moving away from highly technical jargon and complex models towards a simpler framework, the bank may find it easier to communicate its policy stance to a broader audience. 

If the BoJ is going ahead with this, it comes at a complex time when Japanese government bonds are reaching decade highs, the yen is weakening, Japan is negotiating tariffs with the United States, and new fiscal stimulus has been announced. 

It looks like the BoJ will have to try to navigate these complexities without the aid of its trusty guiding star.