With flexible (variable) retirement every individual determines his optimal retirement age, depending on a common benefit-retirement age schedule and his life expectancy. The government maximises the average expected lifetime utility minus a scalar multiple of the variance of the lifetime...

The traditional approach to flexible retirement (e.g. NDC) neglects the impact of asymmetric information on actuarial fairness (neutrality). The mechanism design approach (e.g. Diamond, 2003) gives up the requirement of neutrality and looks for a redistributive second-best benefit-retirement-age...

The three major themes of János Kornai's work reflected in the title of this book--planning, shortage, and transition, or transformation--figure prominently in the essays. After a philosophical introduction by Edmond Malinvaud, the book is divided into three sections: Markets and Organizations,...

The dependence of benefit on the retirement age (the schedule) is an important feature in any public pension system. The nonfinancial defined contribution (NDC) pension system has recently become popular mainly because of its allegedly actuarial fairness. Using the framework of mechanism design...