We study social learning and innovation in an overlapping generations model, emphasizing the trade-off between marginal innovation (combining existing technologies) and radical innovation (breaking new ground). We characterize both short-term and long-term dynamics of innovation, and the...

The prevalence of Internet-based sales by exporters vs. non-exporters is highlighted in a recent World Bank Report (Ferro, 2011) suggesting the use of sophisticated processes when selling overseas. We investigate the count of new process/ product innovations for a group of newly exporting...