The central thesis of this paper is that the management of portfolios incorporating a variety of investment assets does require the use of time and other scarce resources in searching for, collecting, interpreting, and applying relevant information. Accordingly, the returns on these assets would...

This book gives a comprehensive synopsis of the basic and the more highly developed approaches to the theory of production and cost relevant for founded efficiency analysis of industrial production processes. After an introductory survey and classification of the material the different...