Core inflation in Japan's capital slowed in March and factory output unexpectedly slid in the previous month, heightening uncertainty on how soon the Bank of Japan can raise interest rates again after exiting its radical monetary stimulus.
Core consumer price index (CPI) in Tokyo, an early indicator of nationwide figures, rose 2.4% in March from a year earlier, matching a median market forecast and slowing slightly from a 2.5% gain in February.
A separate index that excludes the effect of both fresh food and fuel costs, viewed as a broader price trend indicator, also showed inflation slowing to 2.9% in March from 3.1% in February, data showed on Friday.
While core inflation is still above the central bank's 2% target, the slowdown underscores how price pressures in Japan are still predominantly coming from raw material costs rather than robust domestic demand.
Separate data showed on Friday Japan's factory output unexpectedly fell by 0.1% in February from the previous month, against a median market forecast for a 1.4% rise.
Manufacturers surveyed by the Ministry of Economy, Trade and Industry expect seasonally adjusted output to increase 4.9% in March and rise 3.3% in April, the data showed.
The data may point to caution at the BOJ in implementing further interest rate hikes, after ending an eight-year negative interest rate policy last week.
The BOJ has said its decision to end negative rates last week was driven by signs that robust demand and the prospect of higher wages were prodding firms to keep hiking prices for both goods and services.
BOJ Governor Kazuo Ueda has said the central bank could hike rates again if inflation overshoots expectations or upside risks to the price outlook heighten significantly.
Big firms have offered bumper pay hikes in this year's annual wage negotiations, heightening the prospect that Japan will see inflation sustained around the BOJ's 2% target.
But consumption has showed signs of weakness as rising living costs hit households, casting doubt on the strength of Japan's economy.
Factory output also remains weak due to production and shipment disruption at Toyota Motor (7203.T), opens new tab and its small-car unit, which could weigh on the broader economy due to their huge presence in Japan's manufacturing sector.
Japan's economy expanded an annualised 0.4% in the final quarter of last year, narrowly averting a technical recession as robust capital expenditure offset weaknesses in consumption.
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