Social security provides retirement benefits to the old at the expense of the working young, while environmental investment benefits the future of the young at the expense of the old. This paper presents a model incorporating this inter-generational conflict on public spending, and considers the...

This paper analyzes a social security policy with public debt in an overlapping generations growth model. In particular, the paper considers a situation in which population aging causes a heavy burden of social security payments where public debt is issued by the government to finance the...

This paper develops a two-period overlapping-generations model with environmental externalities and uncertain lifetimes, and studies how two sources of population aging, greater longevity and a lower rate of population growth, affect the politically determined environmental tax and the quality...

How does aging affect the environment? We analyze this question using an overlapping generations model featuring uncertain lifetimes and environmental externalities. We show that whether aging is harmful to the environment depends on the curvature of utility function, which is measured by the...

Pension benefits in old age establish a disincentive to save in youth, thereby yielding lower levels of capital stock and the wage rate. As a result, the trade union has an incentive to change the composition of its two targets: employment and the wage rate. This paper develops a model that...

The purpose of this paper is to consider environmental taxation which would control emissions of firms in a model of growth cycles. In the model presented below, the economy may experience two phases of growth and environmental quality: quot;the no-innovation growth regimequot; and quot;the...