The round begins with section 1 and ends at section 3.
NEW ROUND
ROUND
ROUND 3, 4, ...
ROUND 3, 4, ...
-30
-280
+360
1
OUT-GROUP CONTEST I
GROUP A
GROUP B
1
2
1
?
Leader
Lost
Leader
Won
Leader
Won
Leader
Lost
-130
0
0
2
IN-GROUP CONTEST A
FOLLOWERS A
FOLLOWERS
X
2
IN-GROUP CONTEST B
FOLLOWERS B
FOLLOWERS
X
+600
+80
+410
3
OUT-GROUP CONTEST II
GROUP A
GROUP B
EXAMPLE
1 Round
X
ROUND 1
(payoff of a follower who becomes the new leader)
1000
- 30
- 130
+ 600
= 1440
ROUND 2
(payoff of a leader who becomes a follower)
1000
- 280
- 0
+ 80 = 800
...
ROUND 3
1000
+ 360
- 0
+ 410 = 1770
The round begins with section 1 and ends at section 3.
Only the defeated group plays section 2 in between.
In sections 1
and 3,
These competitions are called
In the OUT-group contests,
A group loses the the OUT-group contest when its leader is defeated.
Followers indirectly participate in the OUT-group contest
by helping or
sabotaging
(
)
their leader.
By doing so,
A leader's advantage or disadvantage significantly affects their chance to win.
The OUT-group contest is played in 2 consecutive steps.
1
Step
Followers help or
sabotage their leader.
Accordingly, leaders'
advantage
or disadvantage
are determined
and declared to the leaders.
2
Step
After the leaders submit their decisions,
Assume group B () won and group A () lost .
In the Victorious Group,
Leader receives 1000 tokens
and proceeds to OUT-group
contest II again as the leader.
Each follower receives 100 tokens
and proceeds to OUT-group
contest II again as a follower.
In the Defeated Group,
Leader loses its leader role,
receives 0 token
and proceeds to OUT-group
contest II as a follower.
Each follower receives 0 token
and proceeds to their group's IN-group
contest (section 2).
In the IN-group
contest,
the two followers compete to become the new leader.
The strong follower (
) is always
advantaged in
the IN-group contest
and is more likely to win and
become the new leader.
If there is an imbalance of power among the followers,
The strong follower (
) is always
advantaged in
the IN-group Contest
and is more likely to win and
become the new leader.
If there is no imbalance of power,
Neither follower (
) has an advantage
Both are equally likely to win
and become the new leader.
Victorious follower proceeds to OUT-group contest II as the new leader.
Defeated follower proceeds to OUT-group contest II again as a follower.
OUT-group contest II is played in exactly the same way as the first one.
The round ends with the OUT-group contest II.