R.G. Goodwin mentioned that "economists will be led, as natural scientists have been led, to seek in nonlinearities an explanation of the maintenance of oscillation" (Goodwin, Econometrica 19(1), 1951); following this reasoning, we studied business cycles as if they were generated by nonlinear...

The effect of entrepreneurship on regional economic growth has been a research agenda for the last two decades. Entrepreneurship, by creating employment, fostering competitiveness or affecting employment, somehow contributes to economic development. While entrepreneurship is mostly defined or...