But it has been a formidable episode of financial turbulence that has revealed major weaknesses in our financial system, including the business practices of many banks. And this episode has also left the regulators with many issues to consider.
7 See Badinger, H. (2005), “Growth effects of economic integration: evidence from the EU Member States”, Review  of World Economics, 141(1): 50–78. 8 See ECB (2017), “Firm heterogeneity and competitiveness in the European Union”, Economic Bulletin, Issue  2/2017. 9 See Nerlich, C. and J. Schroth (2018), “The economic impact of population ageing and pension reforms”,  Economic Bulletin, Issue 2/2018.