Term
Correlation
A measure of how much two figures or prices move together. A link that was weak in normal times can strengthen sharply during a crisis.
Fortune's Formula: The Untold Story of the Scientific Betting System That Beat the Casinos and Wall Street, William Poundstone
Explained in
- Fortune's Formula: The Untold Story of the Scientific Betting System That Beat the Casinos and Wall Street, William Poundstone
- Freakonomics, Steven D. Levitt and Stephen J. Dubner
two things change together, but that doesn’t necessarily mean one causes the other