https://pinboard.in/u:MichaelBishop/public/ recent bookmarks from MichaelBishop 2012-02-06T17:11:01+00:00 http://faculty.chicagobooth.edu/john.cochrane/research/papers/overdifferencing.pdf MichaelBishopJohn_Cochrane difference_of_difference statistics econometrics examples https://pinboard.in/ https://pinboard.in/u:MichaelBishop/b:05107c7b2445/