I investigate whether wealth inequality hinders the discovery of novel alternatives in a competitive screening model. Agents can engage in experimentation, which may lead to the discovery of superior technologies, while wasting time with inferior ones. Talented agents are better at weeding out...

In the post-pandemic world, digital communication will be integral part of daily working to a higher extent than before, with a disproportionally strong impact on knowledge-based activities, like innovation and research. We present a multi-area endogenous growth model where abstract knowledge...