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Sticky prices in a dynamic network economy: A family of counterexamples

机译:动态网络经济中的粘滞价格:一系列的反例

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A central hypothesis of mainstream macroeconomics is that if prices are temporarily fixed (or "sticky"), and if firms with sticky prices respond to changes in demand by changing the quantities they produce, then an expansionary monetary shock will cause real GDP to increase. This paper shows that this hypothesis is not true in general. The paper builds a dynamic general equilibrium model on a particular family of networks, and shows that in these economies, the effect of a monetary shock on aggregate output depends on the interaction between the distribution of money as it evolves over time, and the distribution of sticky prices. In fact, it is possible for an expansionary monetary shock to cause output at every location in the economy, and in all time periods, to fall below the level that would occur if all prices were perfectly flexible. Thus the effect of a monetary shock on aggregate output may depend in a delicate way on the interaction between the distribution of money, and the pattern of sticky prices. (C) 2017 Elsevier B.V. All rights reserved.
机译:主流宏观经济学的核心假设是,如果价格暂时固定(或“粘性”),如果由于粘滞价格的公司通过改变它们所产生的数量而响应需求的变化,那么扩张性货币冲击将导致真正的GDP增加。本文展示了这一假设一般不正确。本文在特定的网络系列中建立了一个动态的一般均衡模型,并表明,在这些经济体中,货币冲击对总产量的影响取决于金钱分布与随着时间的推移之间的互动,以及分布粘滞价格。事实上,可以实现扩张性货币冲击,导致经济中的每个地点的产出,并且在所有时间段下降到低于所有价格完全灵活的水平。因此,货币冲击对总产量的影响可能取决于金钱分布与粘滞价格之间的相互作用的微妙方式。 (c)2017 Elsevier B.v.保留所有权利。

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