The extant literature linking slack time to innovation focuses on how slack time facilitates creative activities such … are less creative but still important for innovation, namely mundane, execution-oriented tasks. First, we document the …, we report timing and project type evidence consistent with the causal interpretation that slack time drives innovation …

It is well known that patent citations occur disproportionately between patents issued to inventors living in the same … location, which has been taken as evidence of geographically localized knowledge spillovers. In this study, we find that patent … citations also occur disproportionately often in locations where the cited inventor was living prior to being issued the patent …

interplay of these two localized externalities and their impact on regional innovation. We examine MSA-level patent data during … the period 1975-2000 and find that innovation output is higher where large and small labs coexist. The finding is robust …