Does fake news in financial markets attract more investor attention and have a significant impact on stock prices? We use the SEC crackdown of stock promotion schemes in April 2017 to examine investor attention and the stock price reaction to fake news articles. Using data from Seeking Alpha, we...

Digital distribution introduces many new strategic questions for the creative industries, notably how the use of new digital channels will impact sales in established channels. We analyze this question in the context of ebook and hardcover sales by exploiting a natural experiment that...

We study how individual smartphone users dynamically use mobile data every day facing limited monthly data plans. Employing a unique data set on users' daily data usage from a leading mobile carrier in China, we develop a dynamic structural model in which an individual user maximizes her data...

Internet retailers have been making significant investments in web technologies, such as zoom, alternative photos, and color swatch, that are capable of providing detailed product-oriented information and, thereby, mitigating the lack of “touch-and-feel,” which, in turn, is expected to lower...

While existing research has examined the role of social influence on various user behavior, such as product adoption, reviews and purchases, there is a lack of studies on how social influence interacts with inherent non-social cues, such as inherent attributes. In this study, we attempt to fill...

Evaluating the returns to marketing spending and designing optimal budget allocations have been challenging tasks for businesses. New data availability and novel machine learning methods provide new opportunities to significantly improve such decisions. The goal of this paper is to prescribe the...

The outbreak of COVID-19 has caused huge disruptions to the world economy. As a number of countries make progress in containing this outbreak, some of them have started to reopen their economy. We study the curves of recovery after reopening the economy, using a unique real-time dataset of daily...

Most of the empirical evidence on social advertising effectiveness focuses on a single product at a time. As a result, little is known about how the effectiveness of social advertising varies across product categories or product characteristics. We therefore collaborated with a large online...

Medical crowdfunding has seen rapid growth in recent years and it has become a popular channel for people needing financial help. However, there exists large heterogeneity in donations across cases and fundraisers face significant uncertainty in whether their crowdfunding campaigns can meet...

Medical crowdfunding is a popular channel for people needing financial help paying medical bills to collect donations from large numbers of people. However, large heterogeneity exists in donations across cases, and fundraisers face significant uncertainty in whether their crowdfunding campaigns...