One of the most important qualities related to the use of information systems is arguably the usability achieved in actual use-situations. Three central criteria for usability as reflected in contemporary definitions are the effectiveness, efficiency and satisfaction with which users can achieve specified goals. A problem with these criteria is that they are expressed in terms of achieving goal...

We examine the performance of stocks that represent managers’“Best ideas.”We …nd that the stock that active managers display the most conviction towards ex-ante, outperforms the market, as well as the other stocks in those managers’portfolios, by approximately one to four percent per quarter depending on the benchmark employed. The results for managers’other high-conviction investments (e.g. to...

I am happy to supervise projects in any area of combinatorics or algebra. This document gives some possible subjects. Most could be adapted to be suitable as either a 3rd year, 4th year or MSc project. Combinatorial game theory. In the game of Domineering the two players are called Horizontal and Vertical. In each turn, Vertical places a domino vertically on the board, and then Horizontal place...