Competitors tend to make themselves identical, in order to appeal to the broadest segment of the population.
This means that:
- Key political parties have similar views on most issues, in order to reach the largest portion of the voting population.
- Where one restaurant or pub opens, many more will follow, and they will offer fairly similar menu items.
- If one manufacturer puts a new feature on their cars, computers, or breakfast cereal, everyone else will follow suit.
This principle is grounded in theories of microeconomics
, which state that markets invariably cascade toward an equilibrium
. If one player is doing better than the other players, the other players will see what's going on and change their policies. The equilibrium that results gives you a lot of similarity from one good