The billionaires of the world attract significant attention from the media and the public. The popular press is full of books selling formulas on how to become rich. Surprisingly, only a limited number of studies have explored empirically the determinants of extraordinary wealth. Using a large...

The major funding source for fundamental scientific research in the Netherlands (NWO), reserves more than half of their research budget for grants for young researchers. Researchers, who received their doctorate more than 15 years ago, cannot apply. Apparently NWO believes in a negative...

The basic distinction made in this volume compares ?economic value?, expressed in monetary terms, to ?cultural value?, reflecting cultural, aesthetic and artistic significance. This paper makes a different distinction which is rarely made explicit but which is of central importance to the...

Liberal drug policy reform is often criticized for ‘sending the wrong message’, particularly to youth. Reform opponents argue that liberal policies such as decriminalisation and medical marijuana laws will cause marijuana to be perceived as less risky and lead to an increase in use....

First, the points of view of economists regarding falsificationism, scientific revolutions and scientific research programmes are discussed. Next, hardly debatable scientific progress regarding empirical economic research in recent decades is described. Then it is asked whether there have been...

In 2007, the Wall Street Journal published an article claiming that each execution saves more than 70 lives. This example is used to show how easy it is, using simple or advanced econometric techniques, to produce results that do or do not support the deterrence hypothesis. Moreover, we also...

This paper analyses synchronization in business cycles across the European Union (EU) since 1989. We include both old and new European Union members and countries which are currently negotiating accession, as well as potential European Union members. Our methodological approach is based on the...

Analysing emotional states under duress or during heightened, life-and-death situations is extremely difficult, especially given the inability of laboratory experiments to adequately replicate the environment and the inherent biases of post event surveys. It is in this area that natural...

This paper analyses co-movements in a wide group of commodity prices during the time period 1992-2010. Our methodological approach is based on the correlation matrix and the networks inside. Through this approach we are able to summarize global interaction and interdependence, capturing the...

The paper reports on work values in Europe. At the country level we find that job satisfaction is related to lower working hours, higher well-being, and a higher GDP per capita. Moving to the micro level, we turn our attention from job satisfaction to analyse empirically work centrality and work...