Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The thick lines represent the group preference, and the thin lines represent the 50 underlying personal utility functions. The different colours are used to distinguish between separate individuals and have no other meaning.
