Search marketing firm Fathom Online has assembled a Keyword Price Index to show average bid prices for various industries.
The index looks at the prices for the top five spots for the 500 most queried terms for an industry, as determined by Fathom. Prices include those on major and lesser-known search engines.
For September 2004, automotive had the highest average weighted price of $1.54 per click. Wireless telecommunications came lowest at $1.09. More details here: New Tracking Data Reveals Marked Disparities In Paid Search Costs, Yield.