There’s a need within law to do the sort of work that Thomas Piketty does for economics and that Gilens & Page do for political science. Here’s a step in that direction.
Available here This essay comments on the link between Piketty, Gilens & Page, and money in politics / campaign finance. It contains some of the key points from my book, plus my commentary on the authors above whose works were published around the same time as my book.