I love this kind of analysis, but would like to warn readers and author that "garbage in" produces "garbage out". More specifically, using the steemit.com reputation algorihtm as a basis for Social Capital is probably flawed.

The reputation score is almost entirely derived from the same source as lifetime earnings (votes). The primary difference between lifetime earnings and reputation score is the following:

1. concentration of votes in a single post impacts lifetime earnings more than reputation.
2. all up votes regardless of concentration impact reputation equally
3. downvotes only hurt reputation if made by someone with a higher rep

A more robust measure of reputation may be to look at the follow graph and utilize pagerank or similar algorithm.