Numerical analysis of the disequilibrium monetary growth model: secular stagnation, slow convergence, and cyclical fluctuations

Numerical analysis of the disequilibrium monetary growth model: secular stagnation, slow convergence, and cyclical fluctuations
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非均衡货币增长模型的数值分析:长期停滞、缓慢收敛和周期性波动

DOI:
10.1007/s40844-021-00201-9
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发表时间:
2021
影响因子:
0.9
通讯作者:
Sasaki Hiroaki
Sasaki Hiroaki
中科院分区:
--
文献类型:
--
作者:
Ogawa Shogo;Sasaki Hiroaki

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本文提出了一个货币非均衡增长模型,并通过数值模拟考察了预期形成的初始条件和参数对动态路径的影响。主要研究结果如下。首先,稳定收敛和周期性波动等动态属性取决于预期形成的类型,而不是初始制度。当预期形成过于理性时,稳定收敛需要过长的时间,而当预期过于适应时,则会出现周期性波动。其次,当经济收敛到稳定状态(即瓦尔拉斯均衡)时,持续的凯恩斯主义失业很可能会沿着动态路径出现。第三,在反馈环中包含价格动态的通胀预期动态可能在收敛到稳态时起到重要作用。
This study presents a monetary disequilibrium growth model and conducts numerical simulations to investigate how dynamic paths are affected by the initial conditions and the parameters of expectation formation. The main results are as follows. First, dynamic properties such as stable convergence and cyclical fluctuations depend on the type of expectation formation rather than on the initial regimes. Stable convergence takes an excessively long time when expectation formation is too rational and cyclical fluctuations appear when it is too adaptive. Second, when the economy converges to the steady state (i.e., the Walrasian equilibrium), persistent Keynesian unemployment is likely to appear along the dynamic path. Third, the dynamics of inflation expectation that contain the price dynamics in the feedback loop might play an important role in convergence to the steady state.
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DOI: 10.1016/j.jmacro.2019.103157
发表时间: 2019
影响因子: 1.4
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