Google PageRank algorithm counts both incoming and outgoing links unless they are nofollow. Google also weighs links based on PageRank of page in question and other factors (such as niche relevance).
http://forums.digitalpoint.com/showthread.php?t=1670649
January 28th, 2010 at 5:16 pm
[...] This post was mentioned on Twitter by Charles Christian, Dr. Charles Wilson. Dr. Charles Wilson said: RT @SEOsummary: Google PageRank algorithm counts both incoming and outgoing links unless they are nofollow. http://bit.ly/aZwEWh [...]