We analyze how network regulation affects investment into network infrastructure and complementary services. While … regulation negatively affcets investment incentives in the regulated network market, the effects of network regulation on … infrastructure versus service quality. We also find constellations, where regulation can enhance perceived total quality. …

Against the background that a combination of price-cap and minimum quality regulation is socially optimal but hard to … found that return-on-cost regulation has (approximately) the same effects on price, quality and welfare as minimum quality … regulation. If it is the aim of the regulator to achieve the welfare maximum under the zero profit constraint, we show that a …

quality regulation. In particular, heterogeneous demand for traffic quality for delay sensitive versus delay insensitive …