Economic page turners like Freakonomics are well written and there is much to be learned from them - not only about economics, but also about writing techniques. Their authors know how to build up suspense, i.e., they make readers want to know what comes. An uncountable number of pages in books...

In a beauty contest experiment with over 6,000 chess players, ranked from amateur to world class, we found that Grandmasters act very similar to other humans. This even holds true when they play exclusively against players of approximately their own strength. In line with psychological research...

Rubinstein (2007) has recently found that the frequency of (types of) decisions made in Internet experiments are related to the time taken for these decisions. Other authors have investigated this relationship by exerting some time pressure. In this paper, I report on an attempt to do the...

Summary Much hope is put into the ‘‘four eyes principle’’ as an anti corruption device in many countries. However, as recent cases have shown, entire groups of decision makers can be corrupt as well. This paper reports on an experimental investigation of individual versus group decision...