In this paper, we discuss the derivation and application of a bivariate ordered probit modelwith mixed effects. Our approach allows one to estimate the distribution of the effect (gamma) of anendogenous ordered variable on an ordered explanatory variable. By allowing gamma to vary over...

Data on contestants’ choices in Italian Game Show Affari Tuoi are analysed in a way that separatesthe effect of risk attitude (preferences) from that of beliefs concerning the amount ofmoney that will be offered to contestants in future rounds. The most important issue addressedin the paper is...

This Monte-Carlo study investigates sensitivity of the Wilcoxon signed rank test to certainassumption violations in small samples. Emphasis is put on within-sample-dependence,between-sample dependence, and the presence of ties. Our results show that both assumptionviolations induce severe size...

E-nstructions facilitates the use of electronic instructions in computerized laboratory ex-periments in social sciences. In this article I provide a set of guidelines for the installationand the use of E-nstructions.

We report three repetitions of Falk and Kosfeld's (2006) low and medium control treatmentswith 364 subjects. Each repetition employs a sample drawn from a standard subject pool ofstudents and demographics vary across samples. Our results largely conict with those of theoriginal study. We mainly...

This article examines the nature of human behavior in a nested socialdilemma referred to as the Spillover Game. Players are divided into twogroups with positive production interdependencies. Based on theoreticallyderived opportunistic, local, and global optima, our experimental...

In this paper, we study a voluntary contribution mechanism withone-way communication. The relevance of one person’s words is assessedby assigning exogeniously the role of the ‘communicator’ to onegroup member. Contrary to the view that the mutual exchange ofpromises is necessary for the...