Many of the older studies used historical databases, which many researchers now agree is an inferior method to computer simulations. (moneysense.ca)
The most complete historical database for stocks, bonds and mutual funds can be found at the Center for Research in Security Prices (CRSP) at the University of Chicago's Booth School of Business. (ifa.com)
Utilizing a large historical database of «zillions of flights,» Hopper allows you to not only book your flight quickly but also find the exact sweet spot to score a deal on airfare. (policygenius.com)