Declining fertility and increasing longevity have rendered public pension systems in many OECD countries unsustainable and have triggered substantial reforms of these systems. One of the officially declared reform objectives is to raise the average retirement age. Crucial parameters for this...

In several OECD countries, public pay-as-you-go financed pension systems have undergone major reforms in which future retirement benefit promises have been scaled down. A consequence of these reforms is that especially in countries with a tight tax-benefit linkage, the retirement benefit claims...

Im Zuge der „Kombilohn“-Debatte wird heute verbreitet Kritik am bestehenden deutschen Sozialhilfesystem geübt, und es werden Reformen nach dem Vorbild des amerikanischen „Earned Income Tax Credit“ gefordert. Der jüngste Reformvorschlag hierzu wurde vom Ifo-Institut vorgelegt. Professor...

Gesundheitsökonomen nehmen Stellung zu den „Eckpunkten zu einer Gesundheitsreform“ der Koalitionsparteien vom 4. Juli 2006.

Das Bundesministerium für Gesundheit hat Ende März Eckpunkte zur Reform des Risikostrukturausgleichs in der Gesetzlichen Krankenversicherung vorgelegt. Welchen Anforderungen sollte eine solche Reform genügen?

It is still an open question whether increasing life expectancy as such is causing higher health care expenditures (HCE). According to the "red-herring"-hypothesis, the positive correlation between age and HCE is exclusively due to the fact that mortality rises with age and a large share of HCE...

The book analyzes the German welfare state. It starts from a theoretical perspective and then develops changes in social security, public health care, and unemployment insurance.

A recent experimental study by Falk and Szech (Science, 2013) concludes that „markets erode moral values”. If this were true, economists, who have emphasized the efficiency enhancing effects of markets for centuries, would have to reconsider their judgments fundamentally. This would be no...