How should we compare welfare across pension systems in presence of differential mortality? A commonly used standard utilitarian criterion implicitly favors the long-lived over the short-lived. We investigate under what conditions this ranking is reversed. We clearly distinguish between the...

In this paper I analyse a labour market where the wage is endogenously determined according to an Efficient Bargaining process between a firm and a labour union whose members are partitioned into two social groups: the old and the young. Furthermore, I exploit the Single-Mindedness theory, which...

In this book, Peter Diamond analyzes social security as a particular example of optimal taxation theory. Assuming a world of incomplete markets and asymmetric information, he uses a variety of simple models to illuminate the economic forces that bear on specific social security policy issues....

In earlier literature, the suggested Pareto improvements in pay-as-you-go (PAYG) systems have relied on the presence of externalities or the possibility of intragenerational redistribution. We show that neither assumption is necessary in an economy with intergenerational trade in a fixed factor...

Despite the broad and deep reliance on Social Security benefits, very few of the hundreds of millions of current and future beneficiaries understand how the program works. This article presents through a hypothetical couple some of the basic concepts of the Social Security benefits formula

This Handbook entry presents a conceptual, normative overview of the subject of taxation. It emphasizes the relationships among the main functions of taxation—notably, raising revenue, redistributing income, and correcting externalities—and the mapping between these functions and various...

Population ageing is expected to result in significantly higher government spending in many OECD countries in the coming decades. This paper sheds light on the macroeconomic consequences of population ageing for government revenue in a framework consistent with the OECD long-term model. If the...

How should we compare welfare across pension systems in presence of differential mortality? A commonly used standard utilitarian criterion implicitly favors the long-lived over the short-lived. We investigate under what conditions this ranking is reversed. We clearly distinguish between the...

Calls to overhaul pension tax relief by scrapping higher rates of relief and setting a so-called "flat rate" "tax relief" are misguided. Such proposals would also face huge practical problems and lead the tax system to become even more complex. Pension tax relief has been criticized as being...

The introductory article of this special issue looks at the genesis, characteristics and challenges of social protection schemes in the Middle East and North Africa (MENA). It argues that social protection policies in the MENA should be seen as a key ingredient of the social contract that...