I interviewed for a position at FedEx&#x27;s main office few years back, and I was asked &quot;Why should FedEx avoid a shipping-rate pricing war with UPS?&quot; Their answer: we don&#x27;t want to shrink the value of the overnight shipping market. That sounded reasonable at the time, albeit collusion-y, until I learned about market elasticity. Now it just sounds lazy and protectionist.