Dr DAVID BLAKE is Professor of Pension Economics and Director of the Pensions Institute at Cass Business School, London, and Chairman of Square Mile Consultants, a training and research consultancy. He was formerly Director of the Securities Industry Programme at City University Business School, Research Fellow at both the London Business School and the London School of Economics and Professor of Financial Economics at Birkbeck College, University of London. He is consultant to many organisations, including Merrill Lynch, Deutsche Bank, Union Bank of Switzerland, Paribas Capital Markets, McKin...