Morone, Piergiuseppe; Petraglia, Carmelo; Testa, Giuseppina - Birkbeck, Department of Economics, Mathematics & Statistics - 2007
spillovers and innovation; knowledge diffusion in the regional space positively impacts on the probability to innovate of the …, a knowledge production function is estimated for a representative sample of Italian manufacturing firms over the period … 1998-2003. To account for endogeneity of R&D effort in the knowledge production function, we estimate a Heckman selection …