Sponsored search advertising has emerged as an important and significant forum for advertisers, accounting for 40% of all advertising spending online. The unique features of sponsored search advertising - the nature of consumer search as well as the pricing mechanisms employed - differentiate it...

Although the efficiency-enhancing features of online markets have been well studied, much less is known about firms' differentiation strategies in these competitive markets, or the outcomes of such differentiation. This study examines competition among firms in online sponsored search markets -...

Sponsored search mechanisms, where advertisers bid for placement to beas close to the top in the listing of search results, are the fastestgrowing among online search models. Sponsored search in popular searchservices such as Google and Yahoo! employ an auction mechanism whereinfirms can bid,...

Sponsored search mechanisms, where advertisers bid for placement to be as close to the top in the listing of search results, are the fastest growing among online search models. Sponsored search in popular search services such as Google and Yahoo! employ an auction mechanism wherein firms can...

Online sponsored search advertising has emerged as the dominant online advertising format largely due to their "pay-for-performance" nature, wherein advertising expenditures are closely tied to outcomes. While the pay-for-performance format substantially reduces the "wastage" incurred by...

The presence of extraordinary geographical variation in Internet use in the U.S. is widely acknowledged. Prior research suggests that individual, household, and regional differences are responsible for this disparity. We argue for an alternative explanation: that individual choice is subject to...

We study whether and how contractual arrangements (fixed price vs.time-and-materials contracts) change the effect of reputation,certification, and language characteristics on the chances of winningoutsourcing contracts. Using a comprehensive dataset from an onlineoutsourcing marketplace, we...