Abstract In markets with competing interconnected networks like mobile telecommunication markets investments affect the investor’s and also any competitors’ profits. In a theoretical model it is shown that cost-reducing investments reduce the investor’s termination rates and increase...

Der Artikel faßt die Ergebnisse einer Erhebung über das Innovationsverhalten im Bereich von Produkten und Prozessen in 1305 Betrieben der Investitionsgüterindustrie zusammen, die vom Fraunhofer-Institut für Systemtechnik und Innovationsforschung (ISI), Karlsruhe, durchgeführt wurde....

Hospital markets are often characterised by price regulation and the existence of different ownership types. Using a Hotelling framework, this paper analyses the effect of different objectives of the hospitals on quality, profits, and overall welfare in a price regulated duopoly with symmetric...

We analyze the expected effects of building a rail tunnel between Lyon and Turin on i) the market shares of the established and the new suppliers, and ii) consumer surplus. The prospective project consists of a 53km rail tunnel providing freight shippers with a new alpine path. We calibrate an...

This paper analyses information from survey data collected in the framework of the Eurosystem's Wage Dynamics Network (WDN) on patterns of firm-level adjustment to shocks. We document that the relative intensity and the character of price vs. cost and wage vs. employment adjustments in response...

An increasingly important part of contemporary merger control both in the US and the EU is unilateral effects analysis, particularly with regard to oligopolistic mergers. In practice, this requires econometric analyses of past market data and, above all, the construction of simulation models in...

The increasing complexity of EU regulation is resulting in a tangle of contradictory decisions and statements, involving also new markets, such as interactive cable television, Internet etc. Whereas in the past sector-specific regulation has been applied in a discretionary manner in order to...