First, recent empirical evidence on the impact of mergers on productivity growth suggests that they may induce welfare-improving efficiency gains, which may conflict with regulators’ concerns about their negative impact on competition. 8  4  See J. Temple (2001): “Growth effects of education and social capital in the OECD countries”. OECD Economic Studies, No 33, pp. 57-101.
See also B. P. Bosworth and S. M. Collins (2003): “The Empirics of Growth: An Update.” Brookings Papers on Economic Activity, No 2. 5  See The EU economy review: moving Europe’s productivity frontier. European Commission 2007. 6  OECD (2003): The Sources of Economic Growth in OECD Countries. OECD, Paris.