NIKOLAUS CUSANUS AND HIS VOTING SYSTEM

Nikolaus Pfanner

populations, which is a common application of conventional playback technology experiments. They found that owls were equally responsive to sounds played by mobile phone to those broadcast from a CD via conventional equipment. In 11 out of 18 trials using mobile phone sounds owls responded, compared with 10 out of 18 trials with conventional techniques. The researchers then looked further at th...

Volker Wenzel and Nikolaus Gravenstein

Purpose of review Mentoring is fundamentally valuable and important to students considering a path into our specialty, as well as to colleagues already in it and with ambition to advance. General principles and personal experiences are collected and described to help inform future mentors and to reinforce the value of having a mentor and the satisfaction (and work) that is associated with such ...

Ranking units in DEA by using the voting system

Nikolaus Franke*, Eric von Hippel**

The “lead user construct” was developed to preferentially identify commercially attractive innovation-related information developed by users of products and services. In this empirical study of user modifications to Apache web server software, we further develop and test lead user theory by studying the independent and combined effects of two key component variables. We find that one component ...

Voting and different ranking orders in DEA

Data Envelopment Analysis (DEA) technique now widely use for efficiency evaluation of a set of Decision Making Units (DMUs). As regards of the necessity for ranking efficient units different DEA models presented each of which has advantages and rank efficient units from special aspects. Note that all the existing ranking models have disadvantages, as well and there is not a model in which all t...