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Drawing on emotional contagion theory and language-mediated association theory, this study develops a research model to examine how textual and facial emotions afect charitable crowdfunding performance. We use computer-aided techniques to extract and measure specifc textual and facial emotions...
Persistent link: https://www.econbiz.de/10014548082
The sales effect of product reviews has been a contentious issue with competing perspectives about when product reviews serve as a benefit, a burden, or a trifle. Unlike previous research that separately investigates the impact of each eWOM system, our study empirically examines the interaction...
Persistent link: https://www.econbiz.de/10013220549
We use machine learning to construct a statistically optimal and unbiased benchmark for firms' earnings expectations. We show that analyst expectations are on average biased upwards, and that this bias exhibits substantial time-series and cross-sectional variation. On average, the bias increases...
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Statistical inferences for sample correlation matrices are important in high dimensional data analysis. Motivated by this, this paper establishes a new central limit theorem (CLT) for a linear spectral statistic (LSS) of high dimensional sample correlation matrices for the case where the...
Persistent link: https://www.econbiz.de/10013044383