Guardian: The capitalist model is under attack on all sides. Yet while there is appetite for change, not even the Occupy movement has come up with a coherent, alternative model. So can capitalism be reformed to operate in the service of society?
At Oxfam, where I was chief executive for 12 years, we believed that the private sector has the ability to help people out of poverty, for example through the creation of jobs or by purchasing products from farmers at a fair price.
However, I also saw more than...