We conduct a thorough analysis on the role played by the unobserved systematic risk factor in default prediction. We find that this latent factor outweighs the observed systematic risk factors and can substantially improve the in-sample predictive accuracy at the firm, rating group, and...

Online users often need to make adoption decisions without accurate information about the product values. An informational cascade occurs when it is optimal for an online user, having observed others' actions, to follow the adoption decision of the preceding individual without regard to his own...

It is well known that the Internet has significantly reduced consumers'search costs online. But relatively little is known about how searchcosts affect consumer demand structure in online markets. In this paper,we identify the impact of search costs on firm competition and marketstructure by...

This dissertation investigates the impact of online product information on consumers, firms and markets. The first chapter of this dissertation proves that better access to product information increases consumer demand and their willingness-to-pay, leading to a new era where firms can charge...

Some effects of e-Commerce, and their implications for financial services firms, are becoming clear. The web drives transparency, and increases the information endowment of all market participants. It is harder to manipulate customers’ behavior, or to overcharge them, as their information...

China's actions in limiting the export of rare earths have drawn the world's attention. The USA, Japan, and the European Union (EU) have been frustrated with China's measures, even threatening to bring the case to the WTO. These rare earth trade disputes are but the tip of the iceberg. Forms of...