Groupon pioneered a new business model which combines the features of daily deals and group buying. This so-called social coupon industry has experienced explosive growth in recent years. In this paper, utilizing a large proprietary dataset of Groupon users, the authors develop three hypotheses...

We collect data from Hong Kong’s foremost news media outlets’ Facebook pages from 2019 to 2020 to examine clashes of opinion on the social media platform. We find that specific writing habits signify users’ backgrounds and elicit group segregation cues from readers. An increase in...

Platforms refer to intermediaries that facilitate economic interaction between two sets of agents wherein the decisions of one set of agents is likely to have an effect on the other via direct and/or indirect externalities. Given their nature, platforms need to find the appropriate balance...

Healthcare needs have been growing rapidly in many countries as populations age. Recently, ecosystems with online platforms at their center have emerged to address this need. This is because these platforms can scale rapidly, increasing healthcare access and equity. The speed of scaling depends...