The uncertainty in the financial market, whether the US—China trade war will slow down the global economy or not … uncertainty based on the news text. Further, we proposed an extended topic model that uses not only news text data but also … uncertainty indices. All these indices were similar to those observed in the historical macroeconomic events. The correlation was …

Uncertainty is acknowledged to be a source of economic fluctuations. But, does the type of uncertainty matter for the … economy's response to an uncertainty shock? This paper offers a novel identification strategy to disentangle different types … of uncertainty. It uses machine learning techniques to classify different types of news instead of specifying a set of …

the hypothesis of adaptive expectations. A calculated "uncertainty index" based on the occurrence of modal words matches … with the economic policy uncertainty index by Baker et al. (2016). The latent Dirichlet allocation (LDA) model and the …