How to identify Google Adsense high paying keywords

Adsense High paying keywords - How to identify adsense high paying keywords
India
January 25, 2011 12:10pm CST
Hi, How to identify google high paying keywords. If we check the google keyword tool it shows the words which have high competition. However, monthly searches are very less. Do we need to check the words which have more monthly searches or is it enough if it has high competiton.
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