development (R&D) and generate new knowledge. This new knowledge has a positive effect on entrepreneurship, innovation, and growth …. However, after some point, further strengthening of patent protection will reduce the returns to entrepreneurship sufficiently …

We present a model that separates entrepreneurship from profit-motivated corporate R&D aimed at improving existing … production processes. Our model embeds the core idea of the knowledge spillover theory of entrepreneurship in established …

entrepreneurship research and the philosophy and economics of science. The model is built on three relatively standard assumptions and … opportunity driven entrepreneurship is an important source of innovation, that entrepreneurial opportunities increasingly arise … generate constant growth rates in the steady state, entrepreneurship research keeps the origin of entrepreneurial opportunity …