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Hi Daniel, Disclaimer: I'm not a data scientist and can't speak to the mathematically specifics of how much "juice" a particular link will pass in terms of Moz Metrics (Domain Authorithy, Page Authority, MozTrust) but I can tell you the answer depends on several variables, including but not limited to: Specific authority metrics of the linking page Number of links on the page And from Google's point of view especially, factors such as the position of the link on the page, relevance of the page/domain and anchor text are just a few considerations at play. In fact, beyond the pure mathematically calculations, there are literally dozens of factors that determine the value of link. For a good introduction to the subject, one of my all-time favorite blog posts was written by my boss Rand: http://moz.com/blog/10-illustrations-on-search-engines-valuation-of-links Hope this helps!