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The economics of the Phillips curve: Formation of inflation expectations versus incorporation of inflation expectations

机译:菲利普斯曲线的经济学:通胀预期的形成与通胀预期的并入

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This paper examines the theory of the Phillips curve, focusing on the distinction between "formation" of inflation expectations and "incorporation" of inflation expectations. Phillips curve theory has largely focused on the former. Explaining the Phillips curve by reference to expectation formation keeps Phillips curve theory in the policy orbit of natural rate thinking where there is no welfare justification for higher inflation even if there is a permanent inflation-unemployment trade-off. Explaining the Phillips curve by reference to incorporation of inflation expectations breaks that orbit and provides a welfare economics rationale for Keynesian activist policies that reduce unemployment at the cost of higher inflation.
机译:本文考察了菲利普斯曲线的理论,着眼于通货膨胀预期的“形成”与通货膨胀预期的“合并”之间的区别。菲利普斯曲线理论主要集中于前者。通过参考期望形成来解释菲利普斯曲线,使菲利普斯曲线理论始终处于自然利率思想的政策轨道中,即使存在永久性的通货膨胀与失业之间的折衷,也没有福利理由要求更高的通货膨胀。通过参考纳入通胀预期来解释菲利普斯曲线,打破了这一轨道,并为凯恩斯主义激进主义政策提供了福利经济学依据,这些政策以更高的通胀为代价减少了失业。

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