This paper examines field experiment in which we encourage the use of computer-based tests (quizzes) through a set of non-financial incentives and test their effect on effort and performance of students. Our identification strategy exploits cross-cohort experimental variation in assessment rules...

The paper describes the exchange program in between the University of Wisconsin/Milwaukee and the University of Potsdam in the field of economics. It discusses in detail the development of the program, including the problems and challenges. Additionally a brief description of the curriculum is...

Is welfare economics still possible, when preferences are endogenously determined? The answer is yes, if and only if the hypothesis of adaptive preferences is correct. If preferences satisfy the conditions of continuity, non-satiation and regularity, then adaptive preferences imply that...

Since the 9/11 attacks more attention has been given to the question why the United States is a major target for transnational terrorism. What conditions motivate these terrorist activities? Are there specific characteristics in the terrorists home countries that provide a breeding ground for...