Government spending on the elderly is projected to increase rapidly as the American population becomes older. As a result, many policymakers and budget analysts are concerned about the continued viability of entitlement programs such as Social Security. The Social Security trustees' economic...

This paper provides estimates of the impact of demographic change on labor productivity growth, relying on annual data over 1961-2018 for a panel f 90 advanced and emerging economies. We find that increases in both the young and old population shares have significantly negative effects on labor...

In Classical Athens, being at war was much more common than peace. The military expenditures were correspondingly large. The real enigmatic issue, however, is not financial but where they found the manpower needed for this policy. The number of warships (triremes) was so great that there is no...

In this paper, the author deals with the question how to make PAYG pension systems financially resistant to fluctuating fertility rates. The author presents two pension schemes that lead to a permanently balanced budget but differ in the mixture of changes in the contribution rates and...

In this paper I study how PAYG pension systems of the notional defined contribution type can be designed such that they remain financially stable in the presence of increasing life expectancy. For this to happen two crucial parameters must be set in an appropriate way. First, the remaining life...

In this paper I study the impact of increasing longevity on pay-as-you-go pension systems. First, I show that increasing longevity increases their internal rate of return. The size of the effect di ers for di erent policy regimes. It is higher for the case where the retirement age is increased...

The paper studies how the rates of deduction for early retirement have to be determined in PAYG systems in order to keep their budget stable. I show that the budget-neutral deductions depend on the speci_c rules of the pension system and on the choice of the discount rate which itself depends on...

Aging populations challenge companies across different countries and industries to respond to the changing needs, demands and expectations of their growing shares of older customers. This opens room for improving or developing innovations - products as well as services - that correspond to the...

Economic theory suggests that variations in countries' age structure should affect the economy on an aggregate level. This paper investigates the relationship between age structure and GDP in 20 OECD countries using annual data from 1970 to 1999. Using new methodology, the relationship between...