This paper presents new evidence on the distribution of risk attitudes in the population, using a novel set of survey questions and a representative sample of roughly 22,000 individuals living in Germany. Using a question that asks about willingness to take risks on an 11-point scale, we find...

This paper introduces four different focuses for microeconomics and macroeconomics that are based on the uses of multidimensional graphical modeling and multidimensional mathematical modeling. The main objective of this paper is to present some classic economic theoretical approaches such as the...

I study the effect of fatigue and innate ability on performance in a model with incomplete contracts, lumpy tasks requiring multiple periods of work and stochastic productivity shocks. I find that increasing ability or reducing fatigue does not lead necessarily to more productive efficiency,...

In this paper, we propose an approach for evaluating the trade-offs inherent in different approaches used to match Current Population Survey (CPS) respondents across various CPS surveys. Because there is some measurement error in both the variables used the identify individuals over time and in...

A common problem at major university campuses in the United States concerns persistent parking space shortages. While such a situation reflects an inadequate pricing mechanism for parking, it also reflects a result consistent with monopoly providers of parking services. In this paper, we analyze...

Let a society’s unhappiness be measured by the aggregate of the levels of relative deprivation of its members. When two societies of equal size, F and M, merge, unhappiness in the merged society is shown to be higher than the sum of the levels of unhappiness in the constituent societies when...

How do nationalistic media affect animosity between ethnic groups? We consider one of Europe’s deadliest conflicts since WWII: the Serbo-Croatian conflict. We show that, after a decade of peace, cross-border nationalistic Serbian radio triggers ethnic hatred towards Serbs in Croatia. Mostly...

This is an entirely new draft of the fourth chapter of my book Foundations of Evolutionary Economics which is going to be published by Edward Elgar in due course. A full summary of chapter four can be found at the beginning of the main text. The chapter argues that the evolutionary notion of the...

Background: The HIV epidemic in Pakistan is at present concentrated among high-risk groups including IDUs. Pakistan has approx. 75 000 IDUs - 12 300 are living in Karachi. The HIV prevalence rate among the IDUs in Karachi is 26%. During 2005 and 2006 Pakistan Society, an NGO working for...

Although economics has long been considered as a non-experimental science, the development of experimental economics and behavioral economics is amazingly rapid and affects most fields of research. This paper first attempts at defining the main contributions of experiments to economics. It also...