Paid search has become the mainstream platform for online advertising, further intensifying competition between advertisers. The main objective of this research is twofold. On the one hand, we want to understand, in the context of paid-search advertising, the effects of competition (measured by...

As paid search becomes the mainstream platform for online advertising today, competition further intensifies. The main objective of this research is two-fold. On the one hand, we want to understand, in the context of paid-search advertising, the effects of competition (measured by number of ads...