Purpose The purpose of this paper is to clearly define the concept of engagement and distinguish it from other descriptions of positive employee well-being. It then discusses how to measure this concept objectively and reliably. Design/methodology/approach The paper looks at the distinctive...

We have developed two models for the optical properties of heterogeneous media, based on the entropic analysis of their morphology. These models have been applied to actual granular metallic media close to the percolation. The models account well for the measured optical properties: the plasmon...