RT Journal Article SR Electronic T1 Engineering an Alpha Engine JF The Journal of Investing FD Institutional Investor Journals SP 23 OP 31 DO 10.3905/joi.2005.605278 VO 14 IS 4 A1 Lee R. Thomas III YR 2005 UL https://pm-research.com/content/14/4/23.abstract AB Who can resist fondly recalling the long investment boom of the 1980s and 1990s? We lived in a charmed world in which it was hard to lose money investing in stocks or bonds. So we are condemned to live now in an investment environment in which making money is hard. For many, holding passive positions in stocks or bonds will no longer produce a satisfactory return. What is an investor to do? One answer is to produce alpha.