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Essays on labor market rigidities, inflation persistence and monetary policy uncertainty.

机译:关于劳动力市场僵化,通货膨胀持续性和货币政策不确定性的论文。

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摘要

This dissertation studies the role played by labor market rigidities and uncertainty about the behavior of the central bank in explaining the propagation of monetary and real shocks to output and inflation. In the first essay, I examine the consequences of introducing real wage rigidities in a baseline sticky price New Keynesian model. In a calibrated exercise, I show that by introducing real wage rigidities, it becomes possible to explain the cyclical behavior of inflation and real wages with the cycle, as well as match the persistent response of output and inflation to exogenous shocks. However, real wage rigidities do not significantly affect the response of real variables to nominal shocks. From a welfare point of view, if real and nominal shocks are considered, it is optimal to introduce some degree of real wage stickiness.; In the second essay, which is joint work with Juan F. Rubio-Ramirez, we explore the capability of the model introduced in the first essay to fit the data with reasonable durations of price and wage contracts. We implement a Bayesian approach for parameter estimation and to perform a comparison with other models that incorporate only nominal rigidities. We obtain that, on average, prices are fixed for three quarters, nominal wages for five quarters, and half of the wage setters follow a real wage indexing rule of thumb. Second, when we remove real wage rigidites, the estimated parameter on price duration increases. Third, we find little evidence of backward looking behavior in price inflation. Finally, our model explains data best.; In the third essay, I study the dynamics of a sticky price model when the private sector does not have perfect knowledge about the monetary policy rule. The private sector learns the coefficients of the new Taylor rule using available data and discounted least squares. When the private sector underestimates the policy rule, the central bank needs to act more aggressively, because inflation and output are too volatile. As a consequence, the output costs of bringing inflation back to target may be higher than when a tough monetary policy rule is known with certainty.
机译:本文研究了劳动力市场的刚性和中央银行行为的不确定性在解释货币和实际冲击对产出和通货膨胀的传播方面所起的作用。在第一篇文章中,我研究了在基准粘性价格新凯恩斯模型中引入实际工资刚性的后果。在一个经过校准的练习中,我表明通过引入实际工资刚性,可以解释通货膨胀和实际工资随周期的周期性行为,并使产出和通货膨胀对外来冲击的持续响应相匹配。但是,实际工资刚性不会显着影响实际变量对名义冲击的响应。从福利的角度来看,如果考虑实际和名义上的冲击,最好引入一定程度的实际工资粘性。在与Juan F. Rubio-Ramirez共同研究的第二篇文章中,我们探索了第一篇文章中介绍的模型在合理的价格和工资合约期限内拟合数据的能力。我们采用贝叶斯方法进行参数估计,并与仅包含名义刚度的其他模型进行比较。我们得出的结论是,平均而言,价格固定为四分之三,名义工资为五分之四,一半的工资设定者遵循真实的工资指数法则。其次,当我们去除实际工资刚性时,价格持续时间的估计参数会增加。第三,我们发现很少有证据表明价格通胀具有后向行为。最后,我们的模型可以最好地解释数据。在第三篇文章中,我研究了当私营部门对货币政策规则不完全了解时的粘性价格模型的动力学。私营部门使用可用数据和折扣最小二乘法来学习新泰勒规则的系数。当私营部门低估政策规则时,中央银行需要采取更加积极的行动,因为通货膨胀和产出波动太大。结果,使通胀回到目标的产出成本可能会比确定的严格货币政策规则高。

著录项

  • 作者

    Rabanal, Pau.;

  • 作者单位

    New York University.;

  • 授予单位 New York University.;
  • 学科 Economics General.
  • 学位 Ph.D.
  • 年度 2002
  • 页码 171 p.
  • 总页数 171
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 经济学;
  • 关键词

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