Parameters

NameTypeDefault Value
Player Count Integer 100
The number of players to create.
Minimum Wealth Integer 20
Maximum Wealth Integer 100
Maximum Age Integer 100
Payoff Cooperate Cooperate Integer 2
The change in wealth for a player when playing cooperate against cooperate.
Payoff Cooperate Defect Integer -6
The change in wealth for a player when playing cooperate against defect.
Payoff Defect Cooperate Integer 6
The change in wealth for a player when playing defect against cooperate.
Payoff Defect Defect Integer -5
The change in wealth for a player when both players defect.
Fission Wealth Integer 11
The wealth level at which an agent can fission.
Inheirited Wealth Integer 6
The wealth that is passed from parent to child.
Initial Wealth Integer 6
The wealth initially assigned to an agent at the beginning of model run.
Mutation Rate Real .1
The probabaility that a given agent will change strategies in a given period, expressed as a value from 0.0 to 1.0.
Death Age Integer 100
The number of periods before an agent will be removed from game when Die At Age rule is active.
Birth Age Integer
The actual age in years as determined by data set.

Behaviors

ActDescription
Build Demographic Prisonner's Dillema Build the Demographic Prisoner_s Dilemma.

Agents

Player

Attributes

NameTypeDefault Value
Cooperate Boolean
Age Integer
Wealth Integer

Behaviors

ActDescription
Initialize Initialize Initialization. Executed once at the beginning of each model run.
Move To Random Location Move To Random Location Initialization. Executed once at the beginning of each model run.
Random Walk Random Walk Rule. Executed every period.
Play Neighbor Play Neighbor Rule. Executed every period.
Update Age Update Age Rule. Executed every period.
Fission Rule Fission Rule Rule. Executed every period.
Die At Age Die At Age Rule. Executed every period.
Die At Wealth 0 Die At Wealth 0 Rule. Executed every period.

Play Cell

Attributes

NameTypeDefault Value

Behaviors

ActDescription

Projections:

NameDescriptionType
Game Space 2-Dimensional Grid