Four explanations for secular stagnation are distinguished: a rise in global saving, slow population growth that makes investment less attractive, averse trends in technology and productivity growth, and a decline in the relative price of investment goods. A long view from economic history is...

The share of the population aged 60 and over is projected to increase in nearly every country in the world during 2005-2050. Population ageing will tend to lower both labor-force participation and savings rates, thereby raising concerns about a future slowing of economic growth. Our calculations...

This paper investigates how increases in the level of maximum earnings subject to the Social Security payroll tax have affected Social Security benefits and taxes. The analysis uses data from the Health and Retirement Study to ask how different the present value of own benefits and taxes would...

In this paper, we characterize the multi-faceted health of the elderly and understand how health along multiple dimensions has changed over time. Our data are from the Medicare Current Beneficiary Survey, 1991-2007. We show that 19 measures of health can be combined into three broad categories:...

This paper examines issues of household saving, growth. and aging in Taiwan. The Taiwanese patterns of high income growth, declines in fertility, and increases in life expectancy all have implications for life-cycle saving. We use data from fifteen consecutive household income and expenditure...

Many European countries have begun (or have announced) programs intended to reduce the growth of entitlement programs, in particular of public pensions. Current costs are high, and the pressures will increase due to population aging and negative incentive effects. This paper focuses on the...

Projected demographic changes in industrialized and developing countries vary in extent and timing but will reduce the share of the population in working age everywhere. Conventional wisdom suggests that this will increase capital intensity with falling rates of return to capital and increasing...

A problem facing the United States is financing retirement consumption as its population ages. Proposals for switching to a saving-for-retirement system that do not rely on high payroll taxes have been challenged on the grounds that welfare for some cohorts will fall. We show how to devise a...