Many studies investigate the relationship between R&D and patents applying knowledge production functions. Using aggregated R&D may underestimate the productivity of 'R', as mainly 'R' but not 'D' leads to patents. Disaggregating 'R' and 'D' shows a significant premium of 'R' towards patenting.

Using German employee data, we find that being raised by two religious parents and having no current religious affiliation is associated with higher earnings. This conforms to the hypothesis that people who are raised religiously and reject religion as adults are economically more successful as...