We consider a firm under strict liability that must choose between two risky technologies, one being safer but costlier than the other one. The total potential level of damage increases with the level of activity. We show that, under limited liability, technological change is welfare improving...

Performance related pay is playing an increasing role in scientific research. This development, which applies the results of standard economic theories (the principal-agent model), aims at increasing incentives and thus productivity in science. The objective of this paper is then to cross the...

The traditional perception of patents puts the emphasis on their importance to exclude imitators and to restore incentives to invent. This view is far too restrictive and at variance with many empirical and theoretical works. We show that these contradictions can be overcome by shifting from a...

We consider a firm that has to choose a technology to produce a given good. This technology drives a multiplicative large-scale risk of incident for Society: the total potential level of damage increases with the level of activity. Contrary to what is often argued in the literature, we show that...