Turning to situations with several alternatives, we saw how the group could voluntarily slide down a slippery path to an outcome it would collectively regret.
In other examples, we found a tendency toward excessive homogeneity.
Sometimes there might be an equilibrium held together by people's mutually reinforcing expections about what other think.
In still other cases, equilibrium might fail to exist altogether, and another way to reach a stable outcome would have to be found.