那些不可预测的衰退

S. Smirnov
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引用次数: 2

摘要

当代全球经济生活是以天为单位,以小时为单位来衡量的,但大多数常见的经济指标都不可避免地存在几个月甚至几个季度(GDP)的滞后。此外,经济动态的实时图景在某种意义上可能与历史视角的相同图景有所不同,因为所有波动只有在整体背景下才会得到适当的权重。因此,了解现有指标是否真的能够为决策者提供重要信息是很重要的。换句话说,它们能实时发挥作用吗?那么,为什么专家们很难实时发现转折点呢?是什么阻碍了这种识别能力?拐点预测能完全客观吗?本文根据2008-2009年经济衰退期间美国的三个周期性指标(世界大型企业联合会的LEI、经合组织的CLI和ISM的PMI)回答了这些问题
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Those Unpredictable Recessions
Contemporary global economic life is measured in days and hours, but most common economic indicators have inevitable lags of months and sometimes quarters (GDP). Moreover, the real-time picture of economic dynamics may differ in some sense from the same picture in its historical perspective, because all fluctuations receive their proper weights only in the context of the whole. Therefore, it’s important to understand whether the existing indicators are really capable of providing important information for decision-makers. In other words, could they be useful in real-time? Why then was it so difficult for the experts to recognize the turning points in real time? What hampers this ability to recognize? Can a turning points’ forecast be entirely objective? The paper answers these questions in terms of three cyclical indicators for the USA (LEI by the Conference Board, CLI by OECD and PMI by ISM) during the last 2008–2009 recession
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