This dissertation studies hedge funds' characteristics, performance and risk, as well as their managerial incentives. In essay one, we find that similar to non-financial industries, there is a balanced allocation to business risk and financing risk in hedge funds. Empirically we find stylized...

To address the lack of attention to construct shift in IRT vertical scaling, a bifactor model is proposed to estimate the common dimension for all grades and the grade-specific dimensions. The bifactor model estimation accuracy is evaluated through a simulation study with manipulated factors of...

Purpose – The purpose of this paper is to evaluate how to use nodes in a cluster efficiently by studying the NAS Parallel Benchmarks (NASPB) on Intel Xeon and AMD Opteron dual CPU Linux clusters. Design/methodology/approach – The performance results of the NASPB are presented both with one...

Purpose In community question answering (CQA), people who answer questions assume readers have mastered the content in the answers. Nevertheless, some readers cannot understand all content. Thus, there is a need for further explanation of the concepts that appear in the answers. Moreover, the...

Purpose: The purpose of this study is to examine both the separate effects and the interaction effects of business process improvement (BPI) and human resource enhancement (HRE) on operational performance in manufacturing firms and to examine the moderating effect of product life cycle (PLC)....

Purpose: As more women are now being appointed to senior and top management positions and invited to sit on boards of directors, they are now directly participating in strategic company decision-making. As female directors have been found to provide new ideas, increase company competitiveness,...

To better understand task failures in cloud computing systems, the authors analyze failure frequency of tasks based on Google cluster dataset, and find some frequently failing tasks that suffer from long-term failures and repeated rescheduling, which are called killer tasks as they can be a big...

Purpose: This paper is to investigate how employees respond to information security policies (ISPs) when they view the policies as a challenge rather than a hindrance to work. Specifically, the authors examine the roles of challenge security demands (i.e. continuity and mandatory) and...