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26/05/2022
Will Consumer Prices in Japan Continue to Rise?-Future Prospects for Consumer Prices
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Firm cost increase pass-through behavior depends on the characteristics of an item, such as whether it is a necessary good or not. For necessities such as food and utilities, the volume of consumption would be difficult to reduce even if prices increase. Therefore, it is easier for firms to raise prices of necessary goods because the negative impact of a price increase would not be relatively large.
Moreover, in terms of food products, it has been pointed out that there is "synchronization in the timing of price changes" (Bank of Japan, 2022). It is possible that price increases of food products accelerate in such a way that when some food products companies raise their prices, other food products companies also raise their prices.
Furthermore, in the absence of sufficient wage increases, rising prices of necessary goods such as food, utilities, and gasoline, could lead to a reduction in real income; thus, consumers might lose the ability to afford items besides necessities.


Firm price-setting behavior is greatly affected by consumer reaction to price increases. While it is natural for consumers not to welcome price increases, Japanese consumers' reluctance to accept price hikes is said to be particularly strong (Watanabe, 2022). In Japan, it is characteristic for consumers to be accustomed to prices that remain the same for a long time.
Focusing on the interior of the distribution of the consumer price changes, the year-over-year rate of change in the weighted median CPI has remained around 0 percent in Japan. This contrasts with the U.S., where the rate has been approximately 2 percent until recently.
An economic model developed by Rotemberg (2005) to explain price rigidity shows that only when consumers perceive prices as unfair do they react negatively to price hikes. Applying this model to Japan, consumers may take it for granted that the prices of goods and services do not change significantly, and may view price hikes as unfair.

While it is true that the expected inflation rate is rising, it is highly likely that the degree of pass-through of raw material cost increases to consumer prices will vary between necessities and luxuries. Moreover, higher energy and food prices are likely to make consumers more reluctant to accept price increases, contributing to a more modest price pass-through for other items. As a result, higher inflation expectations may be revised downward over time. However, as consumers continue to experience higher prices and become accustomed to a rising price environment, their attitudes toward price increases and firm price-setting behavior may change, and the underlying trend of the inflation expectation might rise.
4. Prices of Services
When consumer prices are divided into goods and services, the fluctuation in service prices has been relatively small. Although they fell sharply in the most recent period due to the impact of reductions in mobile phone charges, service prices have remained largely unchanged if adjusted for the impact of these and other factors.
Increases in service prices are considered to be highly linked to wage increases, and unless the situation changes to the one where wages rise continuously, it would be difficult to expect the underlying trend of service prices to rise.
When consumer prices are divided into goods and services, the fluctuation in service prices has been relatively small. Although they fell sharply in the most recent period due to the impact of reductions in mobile phone charges, service prices have remained largely unchanged if adjusted for the impact of these and other factors.
Increases in service prices are considered to be highly linked to wage increases, and unless the situation changes to the one where wages rise continuously, it would be difficult to expect the underlying trend of service prices to rise.
IV. Conclusion
Japan’s CPI has been rising, triggered by soaring commodity prices, and is projected to remain over 2 percent during 2022. In addition to the increase in energy prices, the pace of food price increases is accelerating, and the CPI inflation rate may temporarily rise significantly. However, the pass-through of increased raw material costs to consumer prices has not been sufficiently realized, and in light of consumer attitudes toward price hikes and the past trends in service prices, it is unlikely that price increases will expand to a wide range of consumer items or further change to a situation where CPI increases by around 2 percent annually as the underlying trend.
References
Bank of Japan (2022) Outlook for Economic Activity and Prices, April 2022.
Cabinet Office (2019) The Japanese Economy 2018–2019, January 2019.
Kuroda, Haruhiko (2021) "Japan’s Economy and Monetary Policy", speech at a Meeting with Business Leaders in Nagoya," November 15, 2021, Bank of Japan.
Rotemberg, Julio J. (2005) "Customer anger at price increases, changes in the frequency of price adjustment and monetary policy," Journal of Monetary Economics, vol. 52(4), pp. 829–852.
Takahashi, Yusuke and Yuichiro Tamanyu (2022) "Households' Perceived Inflation and CPI inflation: the case of Japan," Bank of Japan Working Paper Series No. 22-E-1.
Watanabe, Tsutomu (ed.) (2016) Mansei defure: shin’in no kaimei (Chronic Deflation: Clarifying the True Causes), Nikkei Publishing (in Japanese).
Watanabe, Tsutomu (2022) Bukka towa Nanika (On Prices), Kodansha (in Japanese).
Please note: The data contained in this report has been obtained and processed from various sources, and its accuracy or safety cannot be guaranteed. The purpose of this publication is to provide information, and the opinions and forecasts contained herein do not solicit the conclusion or termination of any contract.
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