Inherent to most research projects is the fact that researchers learn about their project during the course of it. Research investments result in signals on development costs. This paper studies how this fact influences firms' investments, and how revenue sharing can correct inefficient...

We introduce a spatial cost topology in the network formation model analyzed by Jackson and Wolinsky, Journal of Economic Theory 71 (1996), 44-74. This cost topology might represent geographical, social, or individual differences. It describes variable costs of establishing social network...

This paper generalizes the results of Suijs, De Waegenaere and Borm (1998) to arbitrary risks. It provides Pareto optimal allocations and shows that the zero utility premium calculation principle yields a core-allocation.

This paper analyzes linear production situations with price uncertainty, and shows that the corresponding stochastic linear production games are totally balanced. It also shows that investment funds, where investors pool their individual capital for joint investments in financial assets, fit...