Customers of Xpeng were enraged in July of this year. The Chinese electric vehicle manufacturer had recently introduced an improved version of its G3 small SUV, which had a battery that provided the car with significantly greater range than its predecessor. Leaving aside the improvements, Xpeng owners who purchased the previous version of the G3 were upset when the new model became available for preorder barely 3 months after their automobiles were delivered. They were particularly concerned that the introduction of the new version would affect the value of their automobiles to decline more rapidly. According to a story from...