Für die optimale Größe betrieblicher Einheiten spielen ihre Skalenerträge eine wesentlicheRolle. Anhand eines Datensatzes, der aus dem Forschungsranking 2005 desCentrums für Hochschulentwicklung abgeleitet ist, werden die Skalenerträge der Forschungbetriebswirtschaftlicher Fachbereiche...

At the firm level, revenue and costs are well measured but prices and quantities are not. This paper shows that because of these data limitations estimates of returns to scale at the firm level are for the revenue function, not production function. Given this observation, the paper argues that,...

In this paper, we aim to model the vertical relation between retailers and suppliersin the food industry whereby retailers exercise seller power in their relation with consumersand buyer power in their relation with producers. We then evaluate the degree of pricetransmission, relative to the...

We construct an equilibrium random matching model of the labour market, withendogenous market participation and a general matching technology that allows formarket size effects: the job-finding rate for workers and the incentives for participationchange with the level of unemployment. In...