Summary This note explores the relationship between the price elasticity of demand and the R&D intensity of the product. We introduce the concept of R&D intensity into a standard Dixit- Stiglitz/Krugman-type setting. R&D activity is treated as a fixed cost of production. Within this framework,...

Summary “Which index formula at the elementary level, where no expenditure share weights are available, corresponds to a desired aggregate index?” To answer this question, this paper develops a statistical approach. It proposes a theoretical framework which makes it possible to achieve...

There are two objectives of this article: (i) It is discussed theoreticallyhow the dynamics of pricing decisions of multiproduct retailers can be explained. (ii) It is analyzed empirically by use ofscanner data how prices are actually set and how consumers reactat the point of sale to price...

Although the dissertation is in German, on demand a bilateral discussion can be done in English language.