BOJ warns Middle East war could hit Japan economy

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Bank of Japan Gov. Kazuo Ueda has pledged to closely monitor developments as the U.S.-Israeli war on Iran reverberates across the region. japantimes.co.jp

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Bank of Japan Governor Kazuo Ueda told parliament on Wednesday that the Middle East conflict could have a “significant impact” on Japan’s economy, citing oil and other energy prices as well as financial markets. According to The Japan Times, Ueda said the central bank would closely monitor developments as the US-Israeli war on Iran reverberates across the region.

The warning lands in a country that imports almost all of its crude oil and much of its gas, and where energy costs feed quickly into household budgets and corporate margins. When shipping routes, insurers, and cargo schedules tighten, the energy shock is not confined to fuel: it shows up in transport costs, power bills, and the pricing of everything that moves. The same disruption also changes the incentives inside government. Ministries can talk about “energy security,” but in practice the system runs on long-term contracts, spot purchases, and emergency rules that decide which users get supplied first when there is not enough to go around.

Ueda’s remarks also underline how central banks get pulled into supply-chain crises they cannot fix. Interest rates do not create LNG cargoes or reduce war-risk premiums, but markets still look to monetary authorities for a reaction function when imported inflation rises. The Japan Times notes investors are now more likely to expect the BOJ to keep policy steady at its March 19 meeting, with the conflict adding another reason to avoid tightening into uncertainty.

That dynamic can be self-reinforcing. If policymakers assume higher energy prices are temporary, they may hesitate to raise rates, hoping the shock fades before it becomes embedded in wages and expectations. If the shock persists, governments tend to reach for administrative tools—subsidies, price caps, or rationing—because they can be announced immediately, even when they shift costs elsewhere. The bill then moves from the market to the public balance sheet, and from price signals to political allocation.

For Japan, the immediate transmission channel is straightforward: a war that lifts oil and gas prices raises import costs and pressures the yen-sensitive trade balance. The longer channel is less visible but more durable: once energy becomes a recurring emergency, every industrial policy promise—electrification, reshoring, “strategic” stockpiles—depends on government deciding who pays for volatility.

Ueda did not offer a new policy tool or a forecast. He offered a reminder that Japan’s monetary calendar is now being written, in part, by events thousands of kilometers away and by the price of cargoes that may or may not sail.