AUTHORS’ SHORT BIOS Christopher D. Daykin Chris Daykin has been the Government Actuary of the United Kingdom since April 1989. After graduating with a 1st Class Honours degree in mathematics from Cambridge University (UK), he joined the Government Actuary's Department (GAD) in 1970 and qualified as a Fellow of the Institute of Actuaries in 1973. At the GAD he has worked on pension fund consultancy, population projections, consumer credit, social security and the supervision of both life and non-life insurance companies. He was President of the Institute of Actuaries from 1994 to 1996 and Chairman of the International Forum of Actuarial Associations (IFAA) from 1996 to 1997. He has been the UK representative on the Pensions Observatory established by the Commission of the European Communities and is the Chairman of the Permanent Committee for Statistical, Actuarial and Financial Studies of the International Social Security Association. He has written numerous papers on actuarial topics, including pensions, social security, general and life insurance, demography and AIDS. He is joint author of the book Practical Risk Theory for Actuaries. In 1995 he was awarded a degree of Doctor of Science (Honoris Causa) by the City University, London. In 1997 he was appointed an Honorary Visiting Professor at the City University and in 1998 an Honorary Visiting Professor at the Shanghai University of Finance and Economics. In 1998 he was awarded the Gold Medal of the Institute of Actuaries. Richard Disney Richard Disney joined the University of Nottingham as a Professor in the School of Economics in September 1998 having previously been Professor of Economics at Queen Mary & Westfield College, University of London (1995-98) and Professor of Economics at the University of Kent at Canterbury (1988-95). He previously worked at the University of Reading, the University of Strathclyde, and the University of Addis Ababa, Ethiopia. He is also a Research Fellow of the Institute for Fiscal Studies, London, and has recently held visiting positions at both the International Monetary Fund and the World Bank. He has been a consultant for the World Bank, the ILO, the OECD and a number of UK government departments. His research interests lie largely in the field of applied microeconomics, including tax policy, social welfare reform and pensions policy, all in both developed and the developing countries, and the economics of labour markets, including retirement behaviour and wage structure. He has recently been working on disaggregated studies of establishment-level productivity with Professor Jonathan Haskel (Queen Mary College, London). He has published numerous articles in journals such as the Economic Journal, European Economic Review and Economica. His recent book Can we afford to grow older? A perspective on the economics of aging (1996) was published by MIT Press, Cambridge, Massachusetts. He teaches macroeconomics at the first year, graduate level growth theory, and contributes to taught modules on labour economics and the economics of public policy at the University of Nottingham. He is Director of the School's Experian Centre for Economic Modelling (ExCEM). He is also a member of the Council of the Royal Economic Society, of the Scientific Board of the Centre for Research on Pensions and Welfare Policies in Turin (CeRP) and a Governor of the Pensions Policy Institute. Paul Gray Paul Gray is Second Permanent Secretary and the Managing Director for Pensions and Disability in the Department for Work and Pensions. He provides strategic direction and leadership for the work of the Department's pensions and disability client groups. As a member of the Departmental Board and Executive Team he also plays a full part in the corporate leadership of the Department including cross cutting roles on aspects such as the Euro, international work and consumer issues. Paul began his Civil Service career at H M Treasury in 1969 as a professional economist, but after a few years transferred to mainstream Civil Service administrative roles. In the late 1970s he spent two years working as a corporate planner with a private sector company. During the 1980s he worked on agriculture, industry and employment issues and co-ordinated the Public Expenditure Survey process. He was Economic Affairs Private Secretary to the Prime Minister. In 1990 Paul returned to the Treasury, and spent three years working on monetary policy, serving as a member of the EU Monetary Committee. He then spent some time as Head of Personnel and Central Services before moving on to become Director of Budget and Public Finances. In March 1998 he moved to the Department of Social Security as Head of Policy. Michael Orszag Dr. J. Michael Orszag is head of research of Watson Wyatt, the global actuarial, benefits and human resources consultancy. His research interests are broadly in the areas of pensions, insurance and employee benefits. Orszag is a founding editor of the Journal of Pension Economics and Finance (Cambridge University Press) and chairman of the research committee of the OECD International Network of Pension Regulators and Supervisors. Orszag is visiting professor of actuarial science, Cass Business School, City University, London and co-director of the Initiative for Policy Dialogue's Pension Reform and Social Insurance Task Force. He was educated at Princeton University and the University of Michigan, where he obtained a PhD in economics. Prior to joining Watson Wyatt in 2001, Orszag was an economics academic at Birkbeck College, University of London where he worked on issues relating to personnel economics, pensions and insurance. He also initiated and designed the postgraduate diploma in e-commerce (PDEC) in 1999, which was one of the first degree programs in e-commerce in Europe. Tito Boeri After obtaining his Ph.D. in economics from New York University, Tito Boeri was senior economist at the Organisation for Economic Co-operation and Development (OECD) from 1987 to 1996. In this position, among other things, he coordinated all the work carried out by the OECD in the field of human resource policies in the central and eastern European economies in transition after 1990. He was also consultant to the International Monetary Fund, the ILO and the World Bank. He is currently professor of economics at Bocconi University, Milan -- where he teaches courses on labour economics and the economics of transition and he is director of the Degree in International Economics and Management (DIEM) -- and affiliated with the Innocenzo Gasparini Institute for Economic Research (IGIER). He is Director of the Fondazione Rodolfo Debenedetti operating in the field of labour market and social policy reforms in Europe. He is research fellow of CEPR and of the William Davidson at the University of Michigan Business School.