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首页> 外文期刊>Journal of Economic Dynamics and Control >Liquidity traps and expectation dynamics: Fiscal stimulus or fiscal austerity?
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Liquidity traps and expectation dynamics: Fiscal stimulus or fiscal austerity?

机译:流动性陷阱和预期动态:财政刺激还是财政紧缩?

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摘要

We examine global dynamics under infinite-horizon learning in New Keynesian models where the interest-rate rule is subject to the zero lower bound. The intended steady state is locally but not globally stable. Unstable deflationary paths emerge after large pessimistic shocks to expectations. For large expectation shocks that push interest rates to the zero bound, a temporary fiscal stimulus, or in some cases a policy of fiscal austerity, will insulate the economy from deflation traps if the policy is appropriately tailored in magnitude and duration. A fiscal stimulus "switching rule," which automatically kicks in without discretionary fine-tuning, can be equally effective.
机译:我们在新凯恩斯模型中的无限水平学习下研究了全局动力学,其中利率规则的下限为零。预期的稳态是局部的,但不是全局的。在对预期的巨大悲观冲击之后,出现了不稳定的通货紧缩道路。对于将利率推至零极限的大预期冲击,如果适当地调整幅度和期限,临时性财政刺激或某些情况下的财政紧缩政策将使经济免受通缩陷阱的影响。同样有效的是,自动实施的财政刺激“转换规则”也可以不加调整。

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