Börgers, Tilman; Hernando-Veciana, Angel; Krähmer, Daniel - In: Journal of Economic Theory 148 (2013) 1, pp. 165-195
The paper introduces a notion of complementarity (substitutability) of two signals which requires that in all decision … characterization which relates complementarity and substitutability to a Blackwell comparison of two auxiliary signals. In a setting … of complementarity and substitutability. We demonstrate how these conditions extend to more general settings. We also …