Wendover Productions explains basic economics of airline classes. The passengers in first class and business, assuming seats are occupied, make much more for airlines than the economy class. Sounds familiar.
Economics of airline class
FlowingData Delivered to Your Inbox
Second Edition
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics (2nd Edition)
Visualize This: The FlowingData Guide to Design, Visualization, and Statistics (2nd Edition)
New tools, refined process.
