The economic theory of monopolies pre-dates the digital world. Today, the marginal cost of supply for most digital platforms is zero. Therefore, profits aren’t maximized by cutting supply, but by maximizing revenues. And since most of the digital platforms deal in luxury goods (e.g. holiday lets), demand tends to b…How banks can become better aggregators than Google3203Ben RobinsonDavid GalbraithOct 18, 2017·1 min readCould argue that the supply is ad space not users (that is demand side)— they could end up cutting supply of ad space, no?