This paper considers the implications of the prospective aging of the U.S. population for the social security system and concludes that the large and growing cashflow surpluses of the social security trust funds should be saved to help insulate living stands against this change. A number of...

Significant aging is projected for many high-saving emerging economies of East and Southeast Asia. By 2025, the share of the elderly in their populations will at least double in most of these countries. The share of the young will fall. Aging populations could adversely affect saving rates in...

The paper assesses the government expenditure effects from changing demographics in the Asian “Tiger” economies through 2050. With some exceptions, their limited social insurance commitments initially suggest that aging populations may not adversely affect fiscal balances. Yet for all the...

The macroeconomic effects of population aging are explored using data for the G-7 countries and Australia. The link between changes in birth and mortality rates on the one hand, and dependency ratios on the other, is first discussed, then empirical evidence on the effects of dependency ratios on...

We develop a heterogeneous agent, overlapping generations model with nonhomothetic preferences that nests several explanations for the decline in the natural rate of interest (r*) suggested in the literature: demographic change, a slowdown in productivity growth, a rise in income inequality, and...

The negative and stable relationship between an economy's aggregate demand conditions and overall unemployment is well-documented. We show that there is a large degree of heterogeneity in the cyclical sensitivities of unemployment across worker and economy groups. First, unemployment is more...

Korea's economy has leaped to high-income status thanks to several decades of sustained high growth. However, population aging and shifts in global demand provide headwinds for future growth and Korea now faces the effects of COVID-19 on economic activity. This paper asseses the expected drag on...