For decades, economists have been urging politicians to reform pension systems, but in many cases the proposals have been rejected by referring to unresolved questions of economic justice. This dilemma can be avoided by using the concept of constitutional economics, which allows us to address...

On efficiency grounds, a social contract can be justified if not only pension payments but also the funding of education is taken into account. By introducing a pay-as-you system, which is a type of implicit social contract, each young generation can overcome its liquidity problems with regards...

Modernisierungen des Wohnungsbestands sind notwendig und wünschenswert, um u. a. die Klimaschutzziele zu erreichen und um den Komfort der Nutzer zu erhöhen. Bundesweit gesehen laufen die Investitionen in den Bestand dem Neubau hinterher, und gerade energetische Sanie-rungen erreichen noch...