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Escapist policy rules

机译:逃避现实的政策规则

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摘要

We study a simple, microfounded macroeconomic system in which the monetary authority employs a Taylor-type policy rule. We analyze situations in which the self-confirming equilibrium is unique and learnable, and explore the prospects for the use of 'large deviation' theory. We show that the system can sometimes depart from the self-confirming equilibrium towards a non-equilibrium outcome characterized by persistently low nominal interest rates and persistently low inflation. These events that have some of the properties of 'liquidity traps' observed in the data, even though the policymaker remains committed to a Taylor-type policy rule which otherwise has desirable stabilization properties.
机译:我们研究了一个简单的,微观基础的宏观经济系统,其中货币当局采用泰勒式政策规则。我们分析了自我确认均衡是独特且可学习的情况,并探讨了使用“大偏差”理论的前景。我们表明,该系统有时可以脱离自我确认的均衡,而朝着以名义利率持续较低和通胀率持续较低为特征的非均衡结果。这些事件具有数据中观察到的“流动性陷阱”的某些属性,即使决策者仍致力于采用泰勒式政策规则,否则该规则具有理想的稳定属性。

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