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首页> 外文期刊>Portuguese Economic Journal >Special issue: imperfect competition and contemporary macroeconomics. Editor’s introduction
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Special issue: imperfect competition and contemporary macroeconomics. Editor’s introduction

机译：特刊：不完善的竞争与当代宏观经济学。编辑介绍

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This paper introduces the special issue by tracing out the history of imperfect competition in macroeconomics, particularly since 1980. It argues that in the search for a micro-foundation for nominal rigidity it was necessary to abandon the assumption of competitive equilibrium where all agents are price-takers. This led to models where firms and other optimising agents set wages and prices which were part of the new Keynesian economics of the 1980s. When these were combined with quantitative dynamic equilibrium methods it gave rise to the new neoclassical synthesis models which dominate macroeconomics today. The assumption of imperfect competition provides an equilibrium with different properties to the competitive, and one particular focus is on the relationship between the markup and the fiscal multiplier.
机译：本文通过追溯宏观经济学中不完全竞争的历史（特别是自1980年以来）来介绍这一特殊问题。它认为，在寻找名义刚性的微观基础时，有必要放弃所有主体都是价格的竞争均衡的假设。者。这导致了企业和其他优化主体设定工资和价格的模型，这些模型是1980年代凯恩斯主义新经济学的一部分。当这些方法与定量动态均衡方法结合使用时，便产生了新的新古典综合模型，该模型在当今的宏观经济学中占主导地位。不完全竞争的假设为竞争提供了具有不同属性的均衡，并且一个特别的重点是加价与财政乘数之间的关系。

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