TY - BOOK AU - Bernstein, William J. TI - The four pillars of investing : lesson for building a winning portfolio SN - 978-0-07-174705-9 U1 - C 332.6 B46f CY - New York KW - Asset allocation KW - Investments KW - Portfolio management N2 - In the mid-1990s, I began writing a small book, The Intelligent Asset Allocator, which ultimately became a successful failure: successful because it attracted positive notice and sold enough copies to please my publisher and myself, and a failure because it did not accomplish its ultimate goal. My aim had been to explain modern portfolio theory, a powerful way of understanding investing, to the general public. What I instead produced was a work comprehensible only to those with a considerable level of mathematical training and skill ER -