To estimate the high-dimensional covariance matrix, row sparsity is often assumed such that each row has a small number of nonzero elements. However, in some applications, such as factor modeling, there may be many non-zero loadings of the common factors. The corresponding variables are also...

The authors investigate the relationship between system structure and the initiation of militarized disputes among Great Powers. The central hypotheses concern the interaction between system uncertainty and the risk propensity of national decision makers. The authors employ a research design...

To be effective, informational interventions must be convincing. Messages related to infectious disease prevention invoke the germ theory of disease, which may conflict with disease models from traditional medicine. A novel program in rural Pakistan attempts to make hygiene messages more...

Third-party logistics service providers (3PLs) play a vital role in contemporary supply chain management. Evaluation and selection of the right 3PLs depends on a wide range of quantitative and qualitative criteria rather than cost-based factors. Although various multi-criteria decision making...

This article qualitatively analyzes the Critical Success Factors (CSFs) for Information Systems (IS) executive careers based on evidence gathered from five case studies carried out in 1997. Typical IS executive career paths are presented within a time series style and the CSFs are interpreted...

Danish companies are especially prevalent in China where they have found opportunities to exploit their niche position in a number of specialised product areas. As a result, their operations are often well advanced in terms of the levels of technology transferred and the extent of transfer....

State-owned enterprises in China have been given greater autonomy and responsibility, have freer access to foreign technology, and are being encouraged to form groups to gain from rationalization and integration. This article uses case studies to identify the key strategic issues that affect the...