Decision Points Decision Points Decision Points is a memoir by former U.S. President George W. Bush. It was released on November 9, 2010, and the release was accompanied by national television appearances and a national tour. The book surpassed sales of two million copies less than two months after its release, breaking the record previously held by former President Bill Clinton's memoir "My Life". "Decision Points" also opened at #1 on the "New York Times" bestseller list. Bush's 481-page memoir is broken up into 14 chapters. The first two chapters are about his life before the presidency. The first chapter is about
Random walk hypothesis Random walk hypothesis The random walk hypothesis is a financial theory stating that stock market prices evolve according to a random walk (so price changes are random) and thus cannot be predicted. It is consistent with the efficient-market hypothesis. The concept can be traced to French broker Jules Regnault who published a book in 1863, and then to French mathematician Louis Bachelier whose Ph.D. dissertation titled "The Theory of Speculation" (1900) included some remarkable insights and commentary. The same ideas were later developed by MIT Sloan School of Management professor Paul Cootner in his 1964 book "The Random Character of