Moral hazard in expert diagnoses is more complicated in credence goods markets because ex-post verification of service optimality is usually not possible. We provide an experimental framework to investigate expert and consumer behavior as well as market efficiency in a setting in which experts...

In this paper the export demand and supply of German manufacturing industry is estimated for the period 1993:1 through 2005:4. The Johansen (1991, 1994) procedure is applied to estimate the long-run relationship in a VECM. Special attention is pointed on the development of the German export...

This paper studies the effect of two regulatory instruments - a price cap and a reference price system - a mandatory substitution rule, and the combination of both on generic competition in a Salop-type model with an off-patent brand-name drug and n differentiated generic versions. The price cap...

This paper investigates the trade effects of Turkey’s trade integration into the EU. To this end sectoral trade flows to the EU based on panel data from the period 1988 to 2002 are examined concentrating on Turkey's sixteen most important export sectors. Emphasis is placed on the role of price...

We investigate a market in which experts have a moral hazard problem because they need to invest in costly but unobservable effort to identify consumer problems. Experts have either high or low qualification and can invest either high or low effort in their diagnosis. High skilled experts are...