Consumer’s perceived and expected inflation in Japan—irrationality or asymmetric loss?

Consumer’s perceived and expected inflation in Japan—irrationality or asymmetric loss?
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日本消费者的感知和预期通胀——非理性还是不对称损失?

DOI:
10.1007/s00181-021-02181-6
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发表时间:
2022
影响因子:
3.2
通讯作者:
Yoichi Tsuchiya
Yoichi Tsuchiya
中科院分区:
经济学4区
文献类型:
--
作者:
Young Bin Ahn;Yoichi Tsuchiya

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这项研究考察了日本消费者感知和预期消费价格指数通胀的损失函数的不对称性。我们发现感知的和提前一年的通胀预期存在强烈的向上偏差,并在对称损失函数下发现了反对理性的证据。我们在感知和预期的通货膨胀中发现了相当多的非对称损失的证据,并支持假设非对称损失函数的合理性。消费者感知和预期通胀的强烈偏差是不对称损失而不是非理性的结果。利用流行病学模型,我们发现预期通货膨胀与感知通货膨胀密切相关,而对实际通货膨胀没有显著影响。此外,消费者逐渐将央行的预测纳入他们的通胀预期,而不是专业的预测。这表明,感知通货膨胀中的非对称损失对通货膨胀预期的形成具有重要意义。央行在制定货币政策时应考虑到消费者通胀预期的不对称损失,以及通胀预期与感知通胀之间的密切关系。
This study examines asymmetry in loss functions of consumer’s perceived and expected consumer price index inflation in Japan. We find strong upward bias of perceived and one-year-ahead inflation expectations, and evidence against rationality under symmetric loss functions. We find considerable evidence of asymmetric loss in perceived and expected inflation and support for rationality upon assuming asymmetric loss functions. Strong biases in consumers’ perceived and expected inflation result from asymmetric loss rather than irrationality. Using epidemiology models, we find that expected inflation is strongly related to perceived inflation with no significant role for actual inflation. Moreover, consumers gradually incorporate central bank forecasts, but not professional forecasts, into their inflation expectations. This indicates that asymmetric loss in perceived inflation is important in forming inflation expectation. The central bank should take into consideration the asymmetric loss in consumers’ inflation expectations and the close relationship between the inflation expectations and perceived inflation in formulating monetary policy.
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