We consider data subjected to middle censoring where the variable of interest becomes unobservable when it falls within an interval of censorship. A necessary and sufficient condition is developed for the equivalence of self-consistent estimators and NPMLEs. Finding NPMLE by dividing the data...

The Weibull proportional hazards model is commonly used for analysing survival data. However, formal tests of model adequacy are still lacking. It is well known that residual-based goodness-of-fit measures are inappropriate for censored data. In this paper, a graphical diagnostic plot of...

We evaluate the performance of 51 mutual fund families based on a study of their diversified US managed mutual funds over an 11 year period and explore the determinants of performance gross of published expenses. We find that mutual fund families which charge loads, high expenses to their most...

This paper compares the risk and return of investing in equity mutual funds provided by the world's two largest mutual fund families: Fidelity and Vanguard over a long horizon. We believe this will help guide investors; this study is an example of the calculations that mutual fund companies...

Organisational culture has been regarded as an important factor affecting knowledge management practices. This paper is an initial effort in constructing a new conceptualisation of the relationship between organisational culture and knowledge management. In view of this conceptualisation,...

The challenge of combining research and practice in HRD has led to continuing debate on who are scholar-practitioners and how they integrate research and practice in the workplace. This qualitative collective case study provides insights from seven scholar-practitioners to help HRD professionals...