The early contributions to the microeconomic literature assume that only market goods yield utility, and that the only way adults can secure the consumption of these goods in old age is by saving. The more recent contributions recognize, however, that the elderly derive utility also from goods...

Options for reforming unfunded public pension schemes that are now being discussed all share the feature that the burden induced by demographic change would be shifted towards presently living and away from unborn generations. Existing models of the political economy of pension reform can not...

This paper discusses the efficiency of a pay-as-you-go pension reform by introducing a child benefit in an endogenous fertility setting. In the model of a small open economy, higher fertility is associated with a reduction of lifetime labor supply. The optimum share of fertility-related pensions...

Immigration has been popularised in the economics literature as a tool to balance the troubled PAYG pension systems. A pivotal research by Razin and Sadka showed that unskilled immigration can surmount the pension problem and, further, boost the general welfare in the host economy. However a...

This paper investigates the inter-temporal structure of implicit taxes that arise in unfunded pension schemes. We demonstrate that these tax rates are declining over the life cycle. Using German micro-data for men and married women we estimate periodic wage elasticities of labour supply in order...

The paper presents a non-exhaustive survey of the literature designed to explain emergence, size and political sustainability of pay-as-you-go pension systems. It proposes a simple framework of analysis (a small open two overlapping generation economy model), around which some variants are...