> This example makes me think that advertising of mass market consumer goods is like nuclear weapons: if your competitors are doing it, you'd be too scared of l

> This example makes me think that advertising of mass market consumer goods is like nuclear weapons: if your competitors are doing it, you'd be too scared of losing market share not to do it too. But in aggregate, all that really happens is that consumer prices are higher, and the ad industry gets rich. Pretty much every single intro to marketing class talks about this and uses it as the default example when first discussing game theory.