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降息与刺激性转移支付:一个等价性结果

Interest Rate Cuts versus Stimulus Payments: An Equivalence Result
Journal of Political Economy · 2024 · Christian K. Wolf

中文摘要

本文推导出一个关于消费者行为的一般条件,该条件确保在标准的需求决定产出模型中,任何可通过利率政策实现的通胀和产出路径,也可通过随时间变化的统一转移支付来实现。在一个借贷约束偶尔生效的解析模型中,该条件一般性成立。在一个定量异质性主体模型中,弥补任意给定需求缺口的转移支付政策还可以由少量可测量的充分统计量较好地刻画。如果以另一种标准财政工具——加速折旧——作为转移支付的补充,本文的结果还可扩展至包含投资的环境。

Abstract

I derive a general condition on consumer behavior ensuring that, in a standard model of demand-determined output, any path of inflation and output that is implementable via interest rate policy is also implementable through time-varying uniform transfers. In an analytical model with occasionally binding borrowing constraints, my condition holds generically. In a quantitative heterogeneous-agent model, the transfer policy that closes any given demand shortfall is furthermore well characterized by a small number of measurable sufficient statistics. My results extend to environments with investment if transfers are supplemented by another standard fiscal tool: bonus depreciation.
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