In a Stackelberg oligopoly with cost asymmetry and possibility of entry, the Stackelberg leader faces a kinked demand curve. For a robust interval of cost of the leader, the equilibrium price is rigid with respect to small changes in demand and costs of active firms

A budget-constrained buyer wants to purchase items from a shortlisted set. Items are differentiated by quality and sellers have private reserve prices for their items. Sellers quote prices strategically, inducing a knapsack game. The buyer's problem is to select a subset of maximal quality. We...

A budget-constrained buyer wants to purchase items from a shortlisted set. Items are differentiated by quality and sellers have private reserve prices for their items. Sellers quote prices strategically, inducing a knapsack game. The buyer's problem is to select a subset of maximal quality. We...

Die Studie erörtert Chancen und Risiken, die mit der Anwendung der Unternehmensführungsstrategie CSR (Corporate Social Responsibility) verbunden sind. Eine Vielzahl an Gefahren in CSR-aktiven Unternehmen - darunter das Risiko des Greenwashings - werden identifiziert, systematisiert und...

Die Studie erörtert Chancen und Risiken, die mit der Anwendung der Unternehmensführungsstrategie CSR (Corporate Social Responsibility) verbunden sind. Eine Vielzahl an Gefahren in CSR-aktiven Unternehmen - darunter das Risiko des Greenwashings - werden identifiziert, systematisiert und...

We examine the strategic interaction in the market for physician services when the total budget for reimbursement is fixed. We show that this prospective payment system involves { compared to a fee-for-service remuneration system { a severe coordination problem, which potentially leads to the...

Die Studie erörtert Chancen und Risiken, die mit der Anwendung der Unternehmensführungsstrategie CSR (Corporate Social Responsibility) verbunden sind. Eine Vielzahl an Gefahren in CSR-aktiven Unternehmen - darunter das Risiko des Greenwashings - werden identifiziert, systematisiert und...

Analyzing price data from sequential German electricity markets, namely the day-ahead and intraday auction, a puzzling but apparently systematic pattern of price premiums can be identified. The price premiums are highly correlated with the underlying demand profile. As there is evidence that...

During the last 20 years, R&D and innovation activities in the service sector have clearly increased. Especially business services are believed to be one of the main drivers of technical changes and economic progress. Looking at the labour indices calculated over the period from 1982 to 1996 one...

During the last 20 years, R&D and innovation activities in the service sector have clearly increased. Especially business services are believed to be one of the main drivers of technical changes and economic progress. Looking at the labour indices calculated over the period from 1982 to 1996 one...