In this paper we provide a method to separate the markup from product differentiation from other sources of market power, i.e. collusive behavior or market intransparency, based on the estimation of a single reduced form equation. We apply this method to a sample of 118 German breweries, since...

We decompose aggregate industry labor productivity growth into seven distinct components: input deepening, technical change, technical efficiency, scale effect, between-firm reallocation, effects from exits and entry. The first four components measure the productivity growth within a firm. The...

The beer market in Germany may be described as a monopolistic competition with many breweries supplying a very large variety of different beer styles and brands. Advertising is one means of differentiating a product and increasing prices over marginal costs. Based on production data obtained...