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...

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...

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...

The Appellate Body's interpretation in China -- Raw Materials regarding the applicability of General Agreement on Tariffs and Trade (GATT) Article XX to China's Accession Protocol is highly controversial and stimulates wide debates in academia. The controversy is rooted in the absence of an...

Online peer-to-peer communities and online social networks have become increasingly popular. In particular, the recent boost of online peer-to-peer communities leads to exponential growth in sharing of user-contributed content which have brought profound changes to business and economic...

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

We assess whether a group of eight Asia-Pacific securitized real estate markets display similar volatility trend over the past 15 years, 1995–2009, using an econometric model that incorporates common volatility effects across the sample markets. The empirical results indicate the presence of...

The intraday pattern, long memory, and multifractal nature of the intertrade durations, which are defined as the waiting times between two consecutive transactions, are investigated based upon the limit order book data and order flows of 23 liquid Chinese stocks listed on the Shenzhen Stock...

In this paper, we discuss the portfolio selection problem with transaction costs under the assumption that there exist admissible errors on expected returns and risks of assets. We propose a new admissible efficient portfolio selection model and design an improved particle swarm optimization...