In 1976, Cambridge, MA, and Berkeley, CA, responded to concerns about the environmental effects of recombinant DNA by adopting identical biosafety ordinances. This paper explores the mediating factors that explain how scientists and entrepreneurs came to view these regulatory interventions in...

We assess whether the probability of a sample member participating at a particular wave of a panel survey is greater if the same interviewer is deployed as at the previous wave. Previous research on this topic mainly uses non-experimental data. Consequently, a) interviewer change is generally...