Yu Jeffrey Hu

TL;DR: In this article, the authors present a framework and empirical estimates that quantify the economic impact of increased product variety made available through electronic markets, and they show that this variety can be a significantly larger source of consumer surplus gains.

TL;DR: In this article, the extent to which investor opinions transmitted through social media predict future stock returns and earnings surprises was investigated, and it was shown that the views expressed in both articles and commentaries predict the future stock return and earnings.

TL;DR: Krishnan et al. as mentioned in this paper investigated the long tail phenomenon of the Pareto principle and found that consumers' usage of Internet search and discovery tools, such as recommendation engines, is associated with an increase in the share of niche products.

TL;DR: Krishnan et al. as mentioned in this paper investigated the long tail phenomenon of the Pareto principle and found that consumers' usage of Internet search and discovery tools, such as recommendation engines, is associated with an increase in the share of niche products.

TL;DR: In this paper, the authors examine the long tail phenomenon in e-commerce from both the supply side and the demand side and identify several key drivers, such as the ability of online merchants to help consumers locate, evaluate and purchase a far wider range of products than they can typically buy via the traditional brick-and-mortar channels.