9Baptista,R.,(1998),"Clusters,innovation and growth:a survey of the literature,in Swan,P.G.M.,(ed),The dynamics of industrial cluster-international comparisons in computer and biotechnology,Oxford:Oxford University Press.
10Amable,B.,(1993),"Catch-up and convergence:a model of cumulative growth",International Review of Applied Economics,vol,7(1).
