Auto Enthusiast

This will create an upward spiral. People will rent much less at these rates, so the volume won't be enough to leverage for maximum discounts at the next contract renewal.

The interesting questions will become how long until flat corporate rates catch up to retail rates, until flat rates are mostly converted to percent discounts, and until more companies then decide to become vendor neutral. The advantage of having a contract is that it's easier for companies to predict their travel spending. But once that's no longer happening, the incentive is stronger to require shopping more on price.