We present a simple model of personal finance in which an incumbent lender has an information advantage vis-a-vis both potential competitors and households. In order to extract more consumer surplus, a lender with sufficient market power may engage in "irresponsible" lending, approving credit...

Vor dem Hintergrund einer relativ begrenzten Investitionstätigkeit in Next GenerationAccess (NGA) in Deutschland untersucht dieser Beitrag, welche ökonomischen Anreizstrukturenhinsichtlich von Investitionen in NGA bestehen. Eventuell bestehendeHemmnisse für Investitionen werden analysiert und...

We introduce a flexible model of telecommunications network competition with non-uniform calling patterns, which account for the fact that customers tend to make most calls to a small set of contacts. Equilibrium call prices are distorted away from marginal cost, and competitive intensity is...