Harrison, Rutherford and Tarr (1997) use a multiregional Computable General Equilibrium (CGE) model with a CES multistage demand system, imperfect competition, increasing returns to scale (IRS), and two endogenous price elasticities of demand perceived by a firm in each national market, in order...

Die Neue Keynesianische Makroökonomik bietet ein alternatives Paradigma zum herkömmlichen IS-LMModell. Ihre Grundzüge werden anhand einer sehr einfachen Version vorgestellt. Die dynamischen Implikationen der Methodik rationaler Erwartungen werden erläutert. Es zeigen sich Grenzen für die...

Average profits of a price taker are increasing in the variability of the output price (Oi, 1961). We show that, for the same reason, average profits of the price taker are increasing in the variability of the price of inputs. We proceed to establish that the same holds for a firm with a...

This paper studies the effect of pharmaceutical regulation at the wholesale level, if markets are integrated by parallel trade, i.e. trade outside the manufacturerś authorized distribution channel. In particular, maximum wholesale margins, a restriction of pricing by the intermediary, and...