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Real rigidities, productivity improvements and investment dynamics

机译:实际的刚性,生产率的提高和投资动态

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摘要

The theoretical literature on business cycles predicts a positive investment response to productivity improvements, a prediction we question from theoretical and empirical perspectives. We show that a short-term negative response of investment to a positive technology shock is consistent with a reasonably parameterized new Keynesian dynamic stochastic general equilibrium (DSGE) model in which firm-specific capital introduces an additional real rigidity, and monetary policy is not fully accommodative. Employing Bayesian techniques, we provide evidence that permanent productivity improvements have short-term, contractionary effects on investment. Although this result can be obtained from both firm-specific and rental capital models, only in the case of the former is the average price duration in line with the microeconometric evidence.
机译:有关商业周期的理论文献预言了对生产率提高的积极投资反应,这一预言我们从理论和经验的角度提出质疑。我们表明,对正向技术冲击的短期投资负响应与合理参数化的新凯恩斯主义动态随机一般均衡(DSGE)模型相一致,在该模型中,公司特定资本引入了额外的实际刚性,而货币政策并不完全宽容的。使用贝叶斯技术,我们提供的证据表明,永久性生产率的提高会对投资产生短期,收缩的影响。尽管可以从公司特定模型和租赁资本模型中获得此结果,但只有在前者的情况下,平均价格持续时间才符合微观计量经济学的证据。

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