Subject of this paper are the problems of trust in electronic commerce that have originated because of the falling apart of authenticity and identity of digital signatures. It is shown, that this problem of trust between unknown persons is one step ahead of the usual trader- or...

Das Paper beschäftigt sich mit dem Auseinanderfallen von Authentizität und Identität bei digitalen Signaturen als einer Quelle von Unsicherheit und den daraus entstehenden Vertrauensproblemen beim elektronischen Handel. Es wird gezeigt, dass diese Vertrauensprobleme dem beim Handel zwischen...

Users of social, economic, or medical networks share personal information in exchange for tangible benefits, but may be harmed by leakage and misuse of the shared information. I analyze the effect of enhancing privacy in the presence of two opposing forces: network effects and informational...

We study the role of private information in the equity-lending market in a rational expectations model with endogenous loan fees. When all investors are privately informed, an increase in information precision reduces the fee by increasing trading aggressiveness and decreasing demand dispersion....