The effect of price regulation on generic market entry and welfare in the presence of (persuasive) advertising is … analysed. An incumbent has the possibility to invest in advertising targeted at the physician. Advertising creates vertical …

We consider a model of a TV oligopoly where TV channels transmit advertising and viewers dislike such commercials. We … substitutes, there will be underprovision of advertising relative to social optimum. We also find that the more viewers dislike … ads, the more likely it is that welfare is increasing in the number of advertising financed TV channels. A publicly owned …