Behavioral Economics Commons^™

The Evolution Of The “Southwest Effect”, Daniel Webb

Honors Projects in Finance

The “Southwest effect” - a large decrease in fares paired with an increase in traffic - has been discussed around the airline industry since the term was first coined in a government study in the early 1990s. But the airline industry has drastically changed since then - Southwest has become the largest domestic airline, and many of its competitors have had the chance to restructure through bankruptcy.

This study examines some of Southwest's latest city additions, as well as a few of the airline’s intra-California routes where it is now a dominant player. Using publically-available government data, the change in …