(Almost) 200 Years of News-Based Economic Sentiment
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资源简介：
Using text from 200 million pages of 13,000 US local newspapers and machine learning methods, we construct a 170-year-long measure of economic sentiment at the country and state levels, that expands existing measures in both the time series (by more than a century) and the cross-section. Our measure
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美国国家经济研究局创建时间：
2024-01-01
