“…In the case of small firms, the ownership linkages that business groups entail can provide an important injection of financial and managerial capital, which can compensate for their shortages of both. This emerges, e.g., from the analysis of the so‐called district groups in Emilia‐Romagna (see Brioschi, Brioschi and Cainelli ). In our case of medium and large ones, however, belonging to national groups could add, with respect to their non‐group companions, administration, and managerial diseconomies that are not compensated by the openness guaranteed by the international groups.…”