Drei Probleme der Risikobewertung bei öffentlichen Investitionen werden behandelt. Erstes Thema ist die Frage nach der richtigen Diskontrate bei unsicherem Wirtschaftswachstum. Zentrales Ergebnis ist, dass die übliche Ramsey-Gleichung bei Unsicherheit keine Gültigkeit mehr hat und einer...

What do economists mean when they talk about "capital accumulation"? Surprisingly, the answer to this question is anything but clear, and it seems the most unclear in times of turmoil. Consider the recent "financial crisis". The very term already attests to the presumed nature and causes of the...

An understanding of, and an intervention into, the present capitalist reality requires that we put together the insights of Karl Marx on labor, as well as those of Hyman Minsky on finance. The best way to do this is within a longer-term perspective, looking at the different stages through which...

We introduce labor-force heterogeneity in a neoclassical investment model. In the baseline model, we highlight the fact that labor adjustment costs are higher for high skilled workers than for low skilled workers. The model predicts that the negative hiring-expected return relation should be...

We introduce labor-force heterogeneity in a neoclassical investment model. In the baseline model, we highlight the fact that labor adjustment costs are higher for high skilled workers than for low skilled workers. The model predicts that the negative hiring-expected return relation should be...