Table 1.
The position of the present study.
| two-person game | n-person game | |
|---|---|---|
| iterated game (direct reciprocity) | Axelrod (1984) | Joshi (1987) and Boyd & Richarson (1988) |
| reputation game (indirect reciprocity) | Nowak & Sigmund (1998a,b) | present study |
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.