An oldest economist article [1] that appeared on HN [2] opened my eyes to this issue. [1] http://www.economist.com/node/18678963?story_id=18678963&fsrc=rss htt

An oldest economist article [1] that appeared on HN [2] opened my eyes to this issue. [1] http://www.economist.com/node/18678963?story_id=18678963&fsrc=rss http://www.economist.com/node/18678963?story_id=18678963&fsr... [2] https://news.ycombinator.com/item?id=2548399 https://news.ycombinator.com/item?id=2548399