Anderson, Simon P; de Palma, André - C.E.P.R. Discussion Papers - 2009
paid. Ads compete to be the lowest price with other ads from the same sector and they compete for attention with ads from … across and also of not being undercut by a cheaper offer. The Information Age takes off when the number of sectors grows, but …. Nonetheless, both large sectors and small ones can be blamed for misallocation of ads in using up scarce attention. …