This paper examines the diversification benefits of iShares in comparison to closed-end country funds (CECFs) and American Depository Receipts (ADRs) between April 1996 and December 2013. iShares are country-specific exchange traded funds that track specific Morgan Stanley Capital International...

We develop a game-theoretic model to explore why retail clusters are so popular in developing economies and when governments should facilitate the formation of retail clusters to improve social welfare. First, we find two determinants of retailer clusters: valuation-cost ratio (consumers'...

Online platforms are prone to abuse and manipulations from strategic parties. For example, social media and review websites suffer from sentiment manipulations, manifested in the form of opinion spam and fake reviews. The consequence of such manipulations is the deterioration of information...

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...

An increasing number of companies have started to implement corporate knowledge-sharing communities. Consistent with the observation in the offline setting, employees are less likely to share knowledge with individuals who have higher job ranks (i.e., higher-ups) in corporate communities such as...

Online communities have been growing rapidly in the last two decades and at the same time becoming more diverse. Millions of internet users actively contribute to various types of online communities ranging from user generated contents and social media to collaborative content communities, on a...

The unprecedented growth of cellular traffic driven by web surfing, video streaming, and cloud-based services poses bandwidth challenges for cellular service providers. To manage the increasing data traffic, cellular service providers are experimenting the use of third-party WiFi hotspots to...

Recently, mobile applications have offered users the option to share their location information with friends. Using data from a major location-based social networking application in China, we estimate an empirical model of restaurant discovery and observational learning. The unique feature of...