Investment in online self-evaluation tests: A theoretical approach

Investment in online self-evaluation tests: A theoretical approach

BACKGROUND Large-scale traumatic events may burden any affected public health system with consequential charges. One major post-disaster, expense factor emerges form early psychological interventions and subsequent, posttraumatic mental health care. Due to the constant increase in mental health care costs, also post-disaster public mental health requires best possible, cost-effective care syste...

Optimal Investment in Information System Security: A Game Theoretical Approach

Forecast Evaluation Tests - a New Approach

Out-of-sample tests are widely used for evaluating and selecting between models’ forecasts in economics and finance. Underlying these tests is often the assumption of constant relative performance between competing models, however this is invalid for many practical applications. In a world of changing relative performance, previous methodologies give rise to spurious and potentially misleading ...

Analyzing Online Discourse: Some Theoretical Ideas and a Visualization Approach

A distinctive feature of Web 2.0 is greater interactivity occurring through electronic forums. Such forms of communication are increasingly playing important roles in ensuring the success of electronic marketplaces, online communities, etc. and therefore, understanding online discourse is critical. We use concepts from the rich tradition of discourse analysis to study these patterns. We note th...

Online Supplement to “Validation Sequence Optimization: A Theoretical Approach”

Optimization: A Theoretical Approach” Gediminas Adomavicius Department of Information and Decision Sciences, Carlson School of Management, University of Minnesota, 321 19th Avenue South, Minneapolis, Minnesota 55455, USA, [email protected] Alexander Tuzhilin Department of Information, Operations, and Management Sciences, Stern School of Business, New York University, 44 West 4th Street, New York, N...