39. Financial entrepreneurs created a 'shadow banking system' over the past 30 years to circumvent regulation and to offload risk onto others, relying on 'derivatives' and 'securitisation'. They generated easy credit that fuelled a boom in corporate mergers and acquisitions across the United States and Europe, and that enabled companies involved in mining, biofuels, private health care, water supply, infrastructure and forestry to expand their activities significantly. When the pyramid of deals came tumbling down, however, the public had to bear the costs.