At present, despite the great advances in polymer electrolyte membrane fuel cell (PEMFC) technology over the past two decades through intensive research and development activities, their large-scale commercialization is still hampered by their higher materials cost and lower reliability and...

Measuring and monitoring the true level of mortgage delinquencies across an economy is essential for asset pricing and financial system stability. Yet public measures of mortgage default risk almost always use simple averages across pools of individual assets, including balance-sheet loans or...

Employing linear and non-linear techniques for assessing the relationship between ESG factors and future returns and risks on an out-of-sample basis, we find that the best and worst quintile portfolios ranked on their ESG scores were statistically significant in generating alpha and reducing...

An increased energy recovery efficiency can be obtained from biomass waste due to coupling hydrothermal carbonation (HTC) with anaerobic digestion (AD). This study focused on optimizing the total energy yield (TEY) from sewage sludge (SS) and pinewood sawdust (PS) in co-HTC-AD coupling process,...

This paper examines the rise and fall of the Administrative Bureau of Prohibited Drugs in 1920s Shanghai. It identifies the factors associated with the endeavours of the central government to experiment with establishing a Bureau dedicated to regulating refined drugs and the reasons why the...

Recently user-oriented online sharing communities have seen explosive growth. Two characteristics of these communities set them apart from traditional online message-based communities such as online forums. First, users have no social ties before joining the community. Second, there is little or...

Peer-to-peer sharing networks have seen explosive growth recently. In these networks, sharing files is completely voluntary, and there is no financial reward for users to contribute. Yet many users continue to share despite the massive free-riding by others. Using a large-scale dataset of...

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...