In Article 25 (1) of the Universal Declaration of Human Rights, the United Nations recognized in 1948 the basic human right to “security in the event of unemployment, sickness, disability, widowhood, old age or other lack of livelihood in circumstances beyond ... control.” This paper...

Per capita gross domestic product (GDP) is a poor indicator of economic well-being. It measures effective consumption poorly (ignoring the value of leisure and of longer life spans) and it also ignores the value of accumulation for the benefit of future generations. Since incomes are uncertain...

In this paper, we propose a unified framework for the Sen indices of poverty intensity that shows an explicit connection between the indices and the common underlying social evaluation function. We also identify the common multiplicative decomposition of the indices that allows simple and...