Economy April 11, 2026 11:36 PM

Japan minister says BOJ policy to lift yen could be an option to rein in inflation

Trade minister signals support for considering yen-strengthening via monetary policy as Tokyo watches war-driven import inflation

By Avery Klein
Japan minister says BOJ policy to lift yen could be an option to rein in inflation

Japan’s trade minister said boosting the yen through Bank of Japan monetary policy could be considered as a tool to contain rising prices, following an economist’s television suggestion that a stronger currency would help offset higher crude-oil import costs. Markets see a significant chance of a rate hike later this month while BOJ officials warn of the stagflation risk from the Middle East conflict.

Key Points

  • Japan’s trade minister Ryosei Akazawa said using BOJ policy to strengthen the yen could be considered as an option to curb rising prices.
  • Economist Hideo Kumano suggested on NHK that a 10% to 15% yen appreciation via BOJ policy could suppress price increases, including on food which represents a large share of household spending - impacting consumer-facing sectors.
  • Markets place roughly a 60% probability on the BOJ raising interest rates on April 28; comments from BOJ Deputy Governor Ryozo Himino stress vigilance over the risk of stagflation from the Middle East war, affecting financial markets and monetary policy expectations.

Tokyo, April 12 - Japan’s top trade negotiator and head of the Ministry of Economy, Trade and Industry said on Sunday that Bank of Japan monetary policy that strengthened the yen could be considered as one option for curbing rising prices.

Ryosei Akazawa’s remarks came in response to an economist’s comments during a television talk show suggesting a stronger yen could blunt the impact of elevated crude-oil import costs on domestic inflation.

On the public broadcaster NHK, Hideo Kumano, chief economist at Dai-ichi Life Research Institute, argued that if BOJ policy were used to strengthen the yen by around 10% to 15%, it could suppress price rises across the economy, including on food, which accounts for a large share of household spending.

"If BOJ policy were used to strengthen the yen by around 10% to 15%, it could suppress price rises across the economy, including on food, which accounts for a large share of household spending," Hideo Kumano said on NHK.

Answering that suggestion, Akazawa said: "While watching the impact on the economy, I think that considering things in the direction of what Mr. Kumano just mentioned could be possible as one option." He added that the BOJ’s 2% inflation target was "quite close" to being achieved while real interest rates remained "quite low".

Financial markets are currently pricing in roughly a 60% chance that the BOJ will raise interest rates on April 28. The probability reflects market participants reassessing the policy path as Tokyo grapples with imported inflation pressures tied to the Middle East conflict.

BOJ Deputy Governor Ryozo Himino cautioned on Friday that monetary policy guidance will take into account the scale and length of the economic shock caused by the Middle East war, underlining the need for vigilance over the risk of stagflation.


Taken together, the exchange of views on television and Akazawa’s response indicate that yen strength achieved via monetary policy is on the table as one potential, though not definitive, tool to address import-driven price pressures. Officials and markets alike are balancing considerations of inflation dynamics, the proximity to the central bank’s 2% target, and the broader economic fallout from geopolitical shocks.

Risks

  • The scale and duration of the economic shock from the Middle East war could elevate stagflation risk, which would affect growth-sensitive sectors and financial markets - a concern highlighted by BOJ Deputy Governor Ryozo Himino.
  • Uncertainty over whether and how aggressively the BOJ would use policy to strengthen the yen creates risks for exporters and corporate profit margins, as well as for energy-importing sectors exposed to crude-oil costs.
  • A proposal to engineer a 10% to 15% yen appreciation would carry implementation uncertainty and potential side effects across the economy; food prices and household spending are specifically noted as areas that could be influenced.

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