Using minute-by-minute TV advertising data covering some 300 firms, 327,000 ads, and $20 billion in ad spending, we … study the real-time effects of TV advertising on investors' searches for online financial information and subsequent trading … programming and national advertising at different times, allowing us to control for contemporaneous confounding events. We find …

We derive equilibrium incentives to use comparative advertising that pushes up own brand perception and pulls down the … matrices identify diversion ratios, from which we derive comparative advertising damage measures. We find that comparative … advertising causes more damage to the targeted rival than benefit to the advertiser. We simulate banning comparative advertising …

We derive equilibrium incentives to use comparative advertising that pushes up own brand perception and pulls down the … matrices identify diversion ratios, from which we derive comparative advertising damage measures. We find that comparative … advertising causes more damage to the targeted rival than benefit to the advertiser. We simulate banning comparative advertising …