PRODUCTIVITY SHOCKS IN A UNION-DUOPOLY MODEL

Brandao Antonio; Pinho Joana

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PRODUCTIVITY SHOCKS IN A UNION-DUOPOLY MODEL

机译：统一双寡头模型中的生产率冲击

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We study the impacts of idiosyncratic productivity shocks when: firms have asymmetric productivities; firms and unions bargain over wages; and firms decide employment. The efficient firm pays a higher wage but has lower marginal production costs (due to its productivity advantage). Profits and worker surplus are higher at the efficient firm. A positive productivity shock affecting the efficient firm is always welfare improving; while if affecting the inefficient firm it may be welfare detrimental (if consumers' gain does not compensate the loss in worker surplus and industry profit). Consumer surplus increases more when the productivity shock affects the inefficient firm.

机译：在以下情况下，我们研究了异质性生产率冲击的影响：企业和工会讨价还价；公司决定就业。有效率的公司支付较高的工资，但边际生产成本较低（由于其生产力优势）。有效率的公司的利润和工人剩余较高。对效率高的公司产生积极的生产力冲击总是会改善福利。而如果影响到效率低下的公司，则可能对福利造成不利影响（如果消费者的收益不能弥补工人剩余和行业利润的损失）。当生产力冲击影响效率低下的公司时，消费者剩余增加更多。

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《The Manchester school》 |2018年第6期|722-756|共35页
作者
Brandao Antonio; Pinho Joana;
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作者单位

Fac Econ Porto, Porto, Portugal;

Catolica Porto Business Sch, Porto, Portugal;

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正文语种 eng
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机译：在本文中，我们分析了DsGE新凯恩斯主义模型，该模型具有明显的劳动力，其中企业可能属于两个不同的最终产品生产部门，其中工资和就业是在竞争性劳动力市场中确定的，而工资和就业是由工资和就业导致的。工会和公司之间的合同过程。企业和垄断联盟之间的讨价还价意味着模型中的实际工资刚性，反过来，产出稳定和通货膨胀稳定之间的内生权衡。我们表明，生产率冲击对通货膨胀的负面影响以及成本推动冲击的积极影响，主要取决于属于竞争部门的企业比例。这个数字越大，这些效果越小。我们得出一个基于福利的目标函数作为经济代理人的预期效用的二阶泰勒近似，我们分析最优货币政策。我们表明，属于竞争性行业的企业数量越大，名义利率对外生生产率和成本推动冲击的反应就越小。但是，如果我们考虑利率必须对通胀预期作出反应的工具规则，则该规则不受劳动力市场结构的影响。该模型的结果与宏观经济学中众所周知的经验规律一致，即就业波动率大于实际工资波动率。

PRODUCTIVITY SHOCKS IN A UNION-DUOPOLY MODEL

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