Peace Or War Each Round (POWER)
Iterated Prisoner's Dilemma with Death, Asymmetric Power, and Aggressor Reputation
Simulation Rules
| Max Starting Points (With Minimum Set to 1): | 5 | |
| Player Gains Per Round When Outside of a Match: | 1/4 | |
| Chance of Entering or Exiting a Match: | 1/5 | |
| Minimum Number of Rounds: | 100 | |
| Chance of Game Ending Each Round After Minimum: | 1/100 | |
Asymmetric Power System
Values are the fraction of the player's points that will determine the change in points to the target.
Cooperate
| Player Gains: | 1/8 | |
| Opponent Gains: | 1/4 | |
Defect
| Player Gains: | 1/4 | |
| Opponent Loses: | 1/2 | |
Cap Defecting Player Gains to Total Points of Opponent:
Payoff Matrix
| Cooperate | Defect | |
| Cooperate | 3, 3 | -3, 4 |
| Defect | 4, -3 | -2, -2 |
Aggressor Reputation System
Strategies
Cooperative (Nice)
| Always Cooperate: | 10 | | |
| Tit-For-Tat: | 10 | | |
| Grim Trigger: | 10 | | |
| Pavlov: | 10 | | |
| Enforcer: | 10 | | (Opens with Defect against aggressors, otherwise Tit-For-Tat) |
| Avenger: | 10 | | (Opens with Defect against aggressors, otherwise Grim Trigger) |
Aggressive (Nasty)
| Always Defect: | 10 | | |
| Equalizer: | 10 | | (Cooperate when stronger or equal, Defect when weaker) |
| Opportunist: | 10 | | (Defect when stronger, otherwise Tit-For-Tat) |
| Smart Opportunist: | 10 | | (Defect when twice as strong or greater, otherwise Tit-For-Tat) |
| Betrayer: | 10 | | (Defect when greater than half as strong and other player Cooperates, otherwise Tit-For-Tat) |
| Random: | 10 | | (50% Cooperate, 50% Defect) |
| Sycophant: | 10 | | (Defect when stronger, otherwise Cooperate) |
| Strategic Opportunist: | 10 | | (Defect when stronger than strongest player in alliance, otherwise Tit-For-Tat) |
| Farmer: | 10 | | (Plays Opportunist except it leaves weaklings alive) |
Round: 0
Score
Cooperative (Nice)
| Population | Total Points |
|---|
| Always Cooperate: | 0 | 0 |
| Tit-For-Tat: | 0 | 0 |
| Grim Trigger: | 0 | 0 |
| Pavlov: | 0 | 0 |
| Enforcer: | 0 | 0 |
| Avenger: | 0 | 0 |
Aggressive (Nasty)
| Population | Total Points |
|---|
| Always Defect: | 0 | 0 |
| Equalizer: | 0 | 0 |
| Opportunist: | 0 | 0 |
| Smart Opportunist: | 0 | 0 |
| Betrayer: | 0 | 0 |
| Random: | 0 | 0 |
| Sycophant: | 0 | 0 |
| Strategic Opportunist: | 0 | 0 |
| Farmer: | 0 | 0 |
Detailed Description, Analysis, and Source Code Here