This paper shows that whether natural resources are good or bad for a country's development depends crucially on the interaction between institutional setting and the type of resources that the country possesses. Some natural resources are for economical and technical reasons more likely to...

In this paper, I obtain new measures of the value of active portfolio management by forming replicating portfolios. These measures allow for a separate evaluation of fund managers' strategic and tactical decisions. I also obtain new evidence on the value of trading by decomposing it into...