We explored in this study the impact of social media on the viewership of mass media news in the stock market. We argue that the popularity of a topic on social media can affect the viewership of news articles the next day on this same topic. Moreover, the detailed characteristics of how social...

While many consumers rely heavily on online reviews during their purchases, it is unrealistic to expect a consumer to read every online review and make an informed decision. Many online review systems provide summary views in the form of overall sentiment scores or rating distributions (e.g.,...

Where can we get good ideas with low cost? Recent researchers probably would suggest “the crowd.” Indeed, crowdsourcing has increasingly been the easiest and most inexpensive method to gain creative/innovative ideas. With the current or potential shortage of R&D resources, firms are...

This paper studied 1942 products from Amazon.com to examine how online review sentiment affects sales. The findings show that controlling for the volume of online reviews, the online review sentiment does affect sales. Additionally, product price serves as a moderator for this impact; however,...

How does emotional expression in online reviews affect sales? To answer this question, a model is constructed based on theories of sentiment. This model is tested experimentally. Controlling for online review valence online review emotionality affects product sales. The impact is moderated by...

A Granger Causality study is conducted to understand the causality loop between online reviews and consumer acquisition in YouTube. This paper aims to refute the long-lasting assumption that online reviews are exogenous to sales. By doing so, this paper posts a challenge in understanding the...

The stock excess return forecast with SEC 8-K filings via machine learning presents a challenge in business and AI. In this study, we model it as an im-balanced learning problem and propose an SVM forecast with tuned Gaussian kernels that demonstrate better performance in comparison with peers....

To evaluate the volatile organic compounds (VOCs) pollution characteristics and identify their key sources in Fuzhou, China, which is one of the central cities in the economic zone on the west side of the Taiwan Straits, ambient air collection and measurement were conducted at nine sampling...

Public health emergencies trigger a series of chain reactions with devastating impacts on society. In addition, subsequent events and participants in public health emergencies represent comprehensive scenarios of public health emergencies. Taking this information into account, predicting...

This paper deals with a class of anticipated backward stochastic differential equations. We extend results of Peng and Yang (2009) to the case in which the generator satisfies non-Lipschitz condition. The existence and uniqueness of solutions for anticipated backward stochastic differential...