scholarly journals Heterogeneous speculators and stock market dynamics: a simple agent-based computational model

2020 ◽  
pp. 1-20
Author(s):  
Noemi Schmitt ◽  
Ivonne Schwartz ◽  
Frank Westerhoff
Author(s):  
Joshua M. Epstein

This part describes the agent-based and computational model for Agent_Zero and demonstrates its capacity for generative minimalism. It first explains the replicability of the model before offering an interpretation of the model by imagining a guerilla war like Vietnam, Afghanistan, or Iraq, where events transpire on a 2-D population of contiguous yellow patches. Each patch is occupied by a single stationary indigenous agent, which has two possible states: inactive and active. The discussion then turns to Agent_Zero's affective component and an elementary type of bounded rationality, as well as its social component, with particular emphasis on disposition, action, and pseudocode. Computational parables are then presented, including a parable relating to the slaughter of innocents through dispositional contagion. This part also shows how the model can capture three spatially explicit examples in which affect and probability change on different time scales.


2018 ◽  
Vol 24 (3) ◽  
pp. 1109-1129 ◽  
Author(s):  
Simeon Coleman ◽  
Vitor Leone ◽  
Otavio R. de Medeiros

2005 ◽  
Vol 16 (12) ◽  
pp. 1831-1840 ◽  
Author(s):  
AQUINO L. ESPÍNDOLA ◽  
T. J. P. PENNA ◽  
JAYLSON J. SILVEIRA

The rural-urban migration phenomenon is analyzed by using an agent-based computational model. Agents are placed on lattices which dimensions varying from d =2 up to d =7. The localization of the agents in the lattice defines that their social neighborhood (rural or urban) is not related to their spatial distribution. The effect of the dimension of lattice is studied by analyzing the variation of the main parameters that characterizes the migratory process. The dynamics displays strong effects even for around one million of sites, in higher dimensions (d =6, 7).


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