For well over a century, U.S. trademark law has afforded brand owners certain rights, remedies and obligations. As the Department of Commerce has noted, owners of trademarks have both a legal right and an affirmative obligation to protect their trademarks from unauthorized third-party use....

We analyze a search engine market from a law and economics perspective and incorporate the choice of quality improving innovations by a search engine platform in a two-sided model of internet search engine. In the proposed framework we, first, discuss the legal issues the search engine market...

The impressive growth of online shopping has had a significant impact on firms’ strategies and customer behavior, bringing to the fore new forms of trademark exploitation that may affect competition. A prominent role is played by keyword advertising services provided by internet search...

We analyze a search engine market from a law and economics perspective and incorporate the choice of quality improving innovations by a search engine platform in a two-sided model of internet search engine. In the proposed framework we first discuss the legal issues the search engine market...

This paper provides a comprehensive study of the structure and dynamics of online advertising markets, mostly based on techniques from the emergent discipline of complex systems analysis. First, we look at how the display rank of a URL link influences its click frequency, for both sponsored...

We analyze a large-scale randomized field experiment in which a search engine varied the prominence of search ads for 3.3 million US users: one group of users saw the status quo, while the other saw a lower level of advertising (with prominence of search ads decreased). Revealed preference data...

Sponsored search is the mechanism whereby where advertisers pay a fee to Internet search engines to be displayed alongside organic (non-sponsored) web search results. Based on prior literature, we draw an analogy between these markets and financial markets. We use the analogy as well as the key...