This paper introduces xTrust, a general purpose security framework that supports a wide range of applications and security mechanisms in a way that makes trust highly visible. It provides basic services for identifying paths between peers that are trusted for specific purposes, and for utilizing those paths for the trustworthy exchange of information. The design of the system is based on four g...

the objective of the present study was to identify managerial competencies. this study reviewed existing managerial competencies in a cultural context resulting in the development of a broad based psychometrically sound leadership questionnaire. the unit of analysis of the research was a theoretical and experimental research related to managerial competencies, provided from seventeen iranian an...

In recent years we have witnessed a great increase in the interest in Trust Management (TM) techniques both from the industrial and the academic sectors. The booming research has also determined a duality in the very definition of TM system which can lead to confusion. In one of the two categories of TM systems a great deal of work has yet to be done in advancing the inherently adaptive nature ...

In an environment where managers’ability to generate pro…ts changes stochastically over time, we characterize the optimal turnover policy for a …rm hiring a succession of managers. The focus is on the interaction between the compensation scheme used to incentivize the managers’e¤ort and the retention policy used to screen the managers’types and induce the desired turnover. Our key positive resu...

We examine the role of managerial talent and its interaction with practices in determining firm performance. build a matched firm-director panel dataset for universe limited liability companies Italy, tracking individuals across different firms over time. define as management's capacity to boost firms' total factor productivity, estimated using two-way fixed effects model. Combining data survey...