The workers under consideration are motivated by free riding behavior as well as social norm. In order to seek for an optimal wage incentive system, we have constructed an agent-based model with a small group of heterogeneous or homogeneous workers. We have compared the two personnel rating systems: one based upon the level of performance relative to other workers' contemporaneous ones and the ...

BACKGROUND Most research on the mental health of UK armed forces personnel has been conducted either before or after deployment; there is scant evidence concerning personnel while they are on deployment. AIMS To assess the mental health of UK armed forces personnel deployed in Iraq and identify gaps in the provision of support on operations. METHOD Personnel completed a questionnaire about ...

Beds: 391 Distinction: Top 5 percent of more than 700 large hospitals (300+ beds) in the portion of patients who gave a rating of 9 or 10 out of 10 when asked how they rate the hospital overall. Timeframe: October 2006 through June 2007. To be included, hospitals must have reported at least 300 surveys. See the Appendix for full methodology. This case study describes the strategies and factors ...

The monotonicity constraint is a common side condition imposed on modeling problems as diverse as hedonic pricing, personnel selection and credit rating. Experience tells us that it is not trivial to generate artificial data for supervised learning problems when the monotonicity constraint holds. Two algorithms are presented in this paper for such learning problems. The first one can be used to...

Risk assessment of urban trees is an incipient practice in Latin America, generally performed with foreign methods, due to the lack qualified personnel and locally validated or adapted methodology. This article evaluates application three methods on street Montevideo city, Uruguay: Tree Hazard Evaluation Treatment System (THREATS), Quantified Assessment (QTRA) Best Management Practices - (ISA B...

Selection of qualified persons suitable for different organization functions is a key success factor for an organization. The complexity and importance of the problem call for analytical methods rather than intuitive decisions. The personnel selection problem requires the application of multi-criteria decision making (MCDM) methods for robust recruitment. This paper has to objectives; first to ...