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首页> 外文期刊>Canadian Journal of Economics >Price-level versus inflation targeting under model uncertainty
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Price-level versus inflation targeting under model uncertainty

机译:模型不确定性下的价格水平与通胀目标

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It has recently been suggested that price-level targeting (PLT) may be a superior approach to monetary policy than inflation targeting (IT) due to its ability to automatically influence inflation expectations to stabilize the economy. In this paper, I analyze whether PLT dominates IT if the ability of the central bank to influence expectations is limited by model uncertainty. Specifically, I analyze how the characterization and performance of PLT and IT rules are impacted if private agents form expectations according to a model that deviates from the policy-maker's reference model. Using robust control to derive robust rules in such a situation, I find that the performance of PLT rules deteriorate faster than that of IT rules as the degree of misspecification increases. Nevertheless, the absolute decline in performance of the PLT rules is relatively small across alternative models that are statistically plausible.
机译:最近有人提出,价格水平目标(PLT)可能比通货膨胀目标(IT)更好,是货币政策的一种手段,因为它具有自动影响通货膨胀预期以稳定经济的能力。在本文中,我分析了如果中央银行影响预期的能力受到模型不确定性的限制,那么PLT是否会主导IT。具体来说,我分析了如果私人代理根据偏离决策者参考模型的模型来形成期望,则会对PLT和IT规则的特征和性能产生怎样的影响。在这种情况下,使用鲁棒控制来得出鲁棒规则,我发现随着错误指定程度的增加,PLT规则的性能下降速度比IT规则更快。但是,在统计上合理的替代模型中,PLT规则性能的绝对下降相对较小。

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