Japan's PPI Remains Elevated, Raising Expectations for a BOJ Rate Hike in September

Japan's producer prices have remained persistently high, providing new justification for the Bank of Japan (BOJ) to further tighten monetary policy.

Data released by the BOJ on Thursday showed that the Corporate Goods Price Index (PPI) rose 7.2% year-on-year in July, slightly below the revised 7.3% increase in June—the latter being the highest level since March 2023. Against the backdrop of persistent upside risks to inflation, BOJ Governor Kazuo Ueda has clearly signaled that the central bank may take action to raise interest rates as early as September. Meanwhile, the weak yen has further intensified import cost pressures, touching a 40-year low last month.

The sustained elevation in PPI data indicates that the pressure on businesses to pass costs on to consumers has not subsided, thereby heating up market expectations for a BOJ rate hike in September.

PPI Year-on-Year Growth Remains High, While Month-on-Month Growth Slows

According to BOJ data, the PPI rose 7.2% year-on-year in July and 0.1% month-on-month, lower than the revised 0.5% month-on-month increase in June. This increase was primarily driven by three categories: petroleum and coal products, chemical products, and non-ferrous metals.

In its latest Outlook for Economic Activity and Prices, the BOJ pointed out that producer prices surged significantly due to factors such as rising oil prices driven by conflicts in the Middle East, and increasing prices of non-ferrous metals and machinery spurred by the expansion of global artificial intelligence-related demand. At the same time, the labor market remains tight, with fierce competition among employers to recruit and retain employees, and upward pressure on wages shows no significant signs of easing.

Difficulty in Passing on Costs Leads to Record-High Inflation-Driven Bankruptcies

Soaring input costs are threatening the viability of some businesses. According to statistics from Teikoku Databank, a total of 556 companies declared bankruptcy in the first half of this year because they were unable to pass on rising input costs, such as fuel and raw materials, to customers, marking the highest level for the same period since records began in 2018. This trend continued in July, with 121 bankruptcy cases recorded, setting a new monthly historical record.

These figures indicate that while some large enterprises possess certain capabilities to pass on costs, the pressure on small and medium-sized enterprises has reached a critical point, revealing the structural impact of inflation on the real economy.

Weak Yen Exacerbates Imported Inflation, with Limited Intervention Effectiveness

The continued weakening of the yen has further amplified import price pressures. Last month, the yen-to-dollar exchange rate fell to a 40-year low. Although Japan and the United States subsequently intervened jointly in the market to support the yen, the currency was trading around 159.32 during the Tokyo morning session on Thursday, having given back most of the gains from the previous intervention.

The depreciation of the yen has directly increased the import costs of commodities and raw materials, creating a compounding effect with rising domestic labor costs, which together provide important support for the BOJ to maintain its rate-hiking path.

Kazuo Ueda Signals Potential September Rate Hike

After keeping policy unchanged last month, Kazuo Ueda explicitly stated that if upside risks to inflation persist, the BOJ may take its next step to raise interest rates as early as September, mentioning the possibility of an accelerated pace of hikes.

The July PPI data aligns with the BOJ's policy judgment direction, further reinforcing market expectations for a rate hike in September. Currently, the combination of corporate cost pressures, wage growth momentum, and yen depreciation provides support for the BOJ to continue advancing monetary policy normalization.

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