You are not Equivalent
The concept in economics known as Bertrand Competition goes like this:
Two or more firms are producing equivalent products or services.
The various firms do not cooperate in any way.
The various firms compete by setting prices simultaneously.
There is often a geographic restriction; in other words, the various firms are localite. Dentistry is like this. While I can very well go on Amazon and order an exotic product that's made three continents away, my dentist has to be within reasonable...
You are not Equivalent
Source: Student Doctor Network - Category: Universities & Medical Training Authors: DentinBond Source Type: forums