In long-term private health insurance contracts, aging provisions are used to flatten premium profiles. An individual would like to change insurers if she perceives a low service quality. The first-best optimum is characterized by provision transfers which are higher for high risks and may be...

Over the next four decades, increasing old-age dependency ratios exert an enormous upward pressure on welfare spending in most developed countries. As this is mainly due to existing unfunded public pension schemes, many countries have embarked on far-reaching reforms in this area, strengthening...

Gegenstand der vorliegenden Studie ist ein umfassender, internationaler Institutionenvergleich zur Alterssicherung in den Staaten der EU-15, in der Schweiz und in den USA. Erfaßt werden dabei alle drei Säulen typischer Alterssicherungssysteme, d. h. staatliche Alterssicherung, betriebliche...

We investigate optimal taxation of lifetime income with and without an emigration option during old age. The government sets the rates of deferred taxation and of possibly reduced taxation of interest. If agents are immobile, the optimal policy consists in full deferral of income taxes on...