用德国报纸文章进行经济预测

IF 3.4 3区 经济学 Q1 ECONOMICS
Tino Berger, Simon Wintter
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引用次数: 0

摘要

我们根据《德意志日报》(ddeutsche Zeitung)报纸文章的内容,引入了一个新的德国商业周期领先指标。我们使用快速发展的自然语言处理(NLP)技术,使用LDA模型将1992年至2021年之间的日报文章内容转换为主题时间序列。这些主题时间序列反映了1992年以来德国经济的广泛领域,特别是高科技危机、金融大危机和新冠肺炎大流行的衰退阶段。我们在Probit模型中使用报纸指标来证明我们的数据可以被认为是预测德国经济衰退时期的一个新的领先指标。此外,我们在样本外预测实验中表明,我们的报纸数据对德国商业周期的12个目标变量具有预测能力,与既定的调查指标一样强大。我们的报纸数据甚至可以比Ifo研究所和经合组织的调查指数更准确地预测德国的工业生产、股票市场指数DAX和消费者价格指数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Economic Forecasting With German Newspaper Articles

Economic Forecasting With German Newspaper Articles

We introduce a new leading indicator for the German business cycle based on the content of newspaper articles from the Süddeutsche Zeitung. We use the rapidly evolving technique of Natural Language Processing (NLP) to transform the content of daily newspaper articles between 1992 and 2021 into topic time series using an LDA model. These topic time series reflect broad areas of the German economy since 1992, in particular the recession phases of the High-Tech Crisis, the Great Financial Crisis and the Covid-19 pandemic. We use the Newspaper Indicator in a Probit model to demonstrate that our data can be considered as a new leading indicator for predicting recession periods in Germany. Moreover, we show in an out-of-sample forecast experiment that our newspaper data have a predictive power for the German business cycle across 12 target variables that is as strong as established survey indicators. Industrial Production, the Stock Market Index DAX, and the Consumer Price Index for Germany can even be predicted out-of-sample more accurately with our newspaper data than with survey indices of the Ifo Institute and the OECD.

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来源期刊
CiteScore
5.40
自引率
5.90%
发文量
91
期刊介绍: The Journal of Forecasting is an international journal that publishes refereed papers on forecasting. It is multidisciplinary, welcoming papers dealing with any aspect of forecasting: theoretical, practical, computational and methodological. A broad interpretation of the topic is taken with approaches from various subject areas, such as statistics, economics, psychology, systems engineering and social sciences, all encouraged. Furthermore, the Journal welcomes a wide diversity of applications in such fields as business, government, technology and the environment. Of particular interest are papers dealing with modelling issues and the relationship of forecasting systems to decision-making processes.
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