Digital textbooks, which are equipped with various learning resources including multimedia aids, assessment questions, and hyperlinks to external resources, can be an important channel for harnessing technologies in classrooms. Korea's digital textbook experiment provides a unique empirical...

I examine whether bundling of telecommunications services makes individuals less likely to switch their service provider because of increased switching costs. Using a detailed survey dataset from the Korea Information Society Development Institute (KISDI), I find that Internet subscribers who...

We examine whether user-generated physician ratings from online sources signal physician quality information and affect patients' physician choices. We collect physician rating and review data from Yelp, a leading online physician rating platform, and match the rating data with Medicare claims...

Fueled by social media, health misinformation is spreading rapidly across online platforms. Myths, rumors, and false information on COVID-19 and vaccines are flourishing, and the aftermath can be disastrous. A more concerning trend is that people are increasingly relying on social media to...

Social media video sponsorship, in which a sponsor forms a partnership with a content creator and sponsors video content, has become increasingly popular. Although the extant theoretical literature supports the importance of the congruency between the sponsor and sponsee in forming...

With the prevalence of smartphones, it is important to understand the relationship between the smartphone channel and the computer channel. In this paper, we examine the extent to which smartphones substitute for or complement computers. We utilize unique panel data on individuals’ smartphone...

With the rapid growth and popularity of YouTube, an increasing number of consumers rely on online product review videos to obtain product-related information. Review videos, with visual and vocal cues, can convey product experiences in rich and immersive ways and have a powerful impact on...

With the rapid development of mobile technology and consumers’ increasing demand for portability, the mobile gaming market has experienced huge growth. To ensure the success of mobile games, game publishers need to keep their players engaged and, at the same time, seek monetization strategies...

Digital textbooks, which are equipped with various learning resources including multimedia aids, assessment questions, and hyperlinks to external resources, can be an important channel for harnessing technologies in classrooms. Korea’s digital textbook experiment provides a unique empirical...