Comments on: New Panama Ranking System For Yahoo Ads Launches Today http://searchengineland.com/new-panama-ranking-system-for-yahoo-ads-launches-today-10434 Search Engine Land: News On Search Engines, Search Engine Optimization (SEO) & Search Engine Marketing (SEM) Fri, 10 Feb 2012 14:39:57 -0500 hourly 1 http://wordpress.org/?v=3.2.1 By: Alan Rimm-Kaufman http://searchengineland.com/new-panama-ranking-system-for-yahoo-ads-launches-today-10434/comment-page-1#comment-957 Alan Rimm-Kaufman Tue, 06 Feb 2007 17:48:34 +0000 http://searchengineland.com/beta/new-panama-ranking-system-for-yahoo-ads-launches-today-10434.php#comment-957 Even before yesterday's quality-based bidding rollout, we noticed that Yahoo regained a small bit of ad spend share from Google in December and January, possibly due to how clicks were allocated between the old and the new platform during the Panama migration. Graphs here: <a href="http://www.rimmkaufman.com/rkgblog/2007/02/05/panama-60-days/" rel="nofollow">http://www.rimmkaufman.com/rkgblog/2007/02/05/panama-60-days/</a> and here: <a href="http://www.rimmkaufman.com/rkgblog/2007/02/06/panama-60-days-part2/" rel="nofollow">http://www.rimmkaufman.com/rkgblog/2007/02/06/panama-60-days-part2/</a> Even before yesterday’s quality-based bidding rollout, we noticed that Yahoo regained a small bit of ad spend share from Google in December and January, possibly due to how clicks were allocated between the old and the new platform during the Panama migration.

Graphs here:

http://www.rimmkaufman.com/rkgblog/2007/02/05/panama-60-days/

and here:

http://www.rimmkaufman.com/rkgblog/2007/02/06/panama-60-days-part2/

]]> By: JoeDuck http://searchengineland.com/new-panama-ranking-system-for-yahoo-ads-launches-today-10434/comment-page-1#comment-956 JoeDuck Mon, 05 Feb 2007 17:16:15 +0000 http://searchengineland.com/beta/new-panama-ranking-system-for-yahoo-ads-launches-today-10434.php#comment-956 Nice summary of a complex topic Mona! A burning question for me on all this is how much of the total advertising spend is from PPC arbitrage (ie bidders on tens of thousands of terms who hope to get somewhat higher bids on their own ads) vs affiliate website PPC vs PPC for a product provided by the advertiser. Have you seen any studies of this? Nice summary of a complex topic Mona! A burning question for me on all this is how much of the total advertising spend is from PPC arbitrage (ie bidders on tens of thousands of terms who hope to get somewhat higher bids on their own ads) vs affiliate website PPC vs PPC for a product provided by the advertiser. Have you seen any studies of this?

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