Die Prognosen der Wirtschaftsforschungsinstitute werden in jüngster Zeit häufig wegen Ungenauigkeit kritisiert. Wodurch wird ihre Aussagefähigkeit eingeschränkt? Wie sollten sie interpretiert werden? Wie könnten die Prognosetreffsicherheit verbessert werden?

Die Verdichtung von Informationen zu einer Kennzahl scheint praktisch: Sie erleichtert den globalen Vergleich verschiedener Länder. Aus der Positionierung innerhalb eines Rankings werden wirtschaftspolitische Empfehlungen abgeleitet. Der Politik wird signalisiert, genau an den Einzelkennziffern...

Recently, building on the highly polarizing Stiglitz report, a growing literature suggests that statistical offices and applied researchers explore other aspects of human welfare apart from material well-being, such as job security, crime, health, environmental factors and subjective...

Publication and citation rankings have become major indicators of the scientific worth of universities and countries, and determine to a large extent the career of individual scholars. We argue that such rankings do not effectively measure research quality, which should be the essence of...

Academic economists today are caught in a Publication Impossibility Theorem System" or PITS. To further their careers, they are required to publish in A-journals, but this is impossible for the vast majority because there are few slots open in such journals. Such academic competition is held to...

The allure of an environmentally benign, abundant, and cost-effective energy source has led an increasing number of industrialized countries to back public financing of renewable energies. Germany's experience with renewable energy promotion is often cited as a model to be replicated elsewhere,...

Recently, building on the highly polarizing Stiglitz report, a growing literature suggests that statistical offices and applied researchers explore other aspects of human welfare apart from material well-being, such as job security, crime, health, environmental factors and subjective...

Strong forces lead to a withering of academia as it exists today. The major causal forces are the rankings mania, increased division of labor in research, intense publication pressure, academic fraud, dilution of the concept of 'university' and inadequate organizational forms for modern...

Zwei Instrumente stehen im Mittelpunkt der Krisen, in denen Opel, Arcandor und andere große Unternehmen staatliche Hilfe suchen oder gesucht haben: Kredite und Bürgschaften. Vergibt der Staat einen Kredit, so ist es offensichtlich, dass er dafür seine Verschuldung erhöhen muss. Um sie...