We analyze firms' ability to sustain collusion in a setting in which horizontally differentiated firms can price … sustainability of collusion. Starting from a low level, an increase in signal precision first facilitates collusion. However, there … is a turning point from which on any further increase renders collusion less sustainable. Our analysis provides important …

We analyze the effect of different pricing schemes on horizontally differentiated firms' ability to sustain collusion … that the additional price component of the two-part tariff makes it more difficult to sustain collusion. Additionally, the … pricing schedule that is most beneficial for customers in absence of collusion harms customers most in presence of (partial …