The quantity theory is disjunct to the hard core of general equilibrium theory. It does not relate to the formal foundations of standard economics and, vice versa, from the behavioral axioms of standard economics a rationale for using money cannot be derived. The present paper leaves the...

The equalization of profit rates as the outcome of free competition is one of the oldest tenets in theoretical economics. Being intuitively convincing its premises and implications, though, are not well defined. As Walras put it: ‘To state a theory is one thing; to prove it is another.’...

The core problem of economics is that the representative economist never managed to keep political and theoretical economics properly apart. The mixture is toxic indeed. As Joan Robinson said about what parades as economics: Scrap the lot and start again. Yet, the question then arises where to...

Abstract ; Background: The health care reform of 2004 was intended to reduce moral hazard in the statutory health insurance through various financial incentives. An important element of the reform has been the introduction of a per-quarter fee for doctor visits. The second part of the reform has...

We report the results of a field experiment evaluating the impact of financial literacy training on teenagers between 14 and 16 years in German high schools. After the training, treated teenagers exhibit a significant increase in both interest in financial matters and self-assessed knowledge...

This study examines the impact of product market competition and corporate governance on productivity growth in German manufacturing. Using a panel of almost 500 firms over the years 1986 to 1994, we find that firms experience higher productivity growth when operating in markets with intense...

Anchoring vignettes are commonly used to study and correct for differential item functioning and response bias in subjective survey questions. Self-assessed health status is a leading example. A crucial assumption of the vignette methodology is ’vignette equivalence’: The health status of...