Bronnenberg, Bart J.; Dhar, Sanjay K.; Dubé, Jean-Pierre - 2005
firms can improve brand perceptions through advertising investments, as in Sutton's endogenous sunk cost theory. In the data …, observed advertising levels escalate (i.e. larger brands) in larger markets while the number of advertised brands within an … industry remains stable. Correspondingly, observed concentration levels in advertising-intensive industries are bounded away …