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Role of optimization in the human dynamics of task execution
Daniel O Cajueiro1, Wilfredo L Maldonado
1Department of Economics, Catholic University of Brasilia, Brasilia, DF, Brazil.
Summary
Human task dynamics may not follow simple models. This study shows task execution priority depends on cost structures, potentially leading to complex dynamics.
Area of Science:
- Complexity Science
- Behavioral Economics
- Operations Research
Background:
- Empirical evidence suggests human activity dynamics are not well-modeled by Poisson processes.
- Existing queuing models assume task execution prioritizes high-priority items.
- The validity of this priority assumption in human task management is questioned.
Purpose of the Study:
- To analyze the validity of the high-priority task execution hypothesis.
- To investigate if rational agents minimize costs by prioritizing tasks.
- To understand the influence of instantaneous costs on task execution protocols.
Main Methods:
- Developed a dynamic programming model with two task priority types.
- Analytically solved the dynamic programming model.
- Investigated the impact of instantaneous costs on task prioritization.
Main Results:
- The hypothesis's validity is highly dependent on the structure of instantaneous costs.
- Rational agents' task execution protocols are influenced by cost minimization.
- A specific cost structure leads to complex one-dimensional dynamics in task execution.
Conclusions:
- The simple high-priority task execution model is not universally valid for human activity.
- Task prioritization is a strategic decision influenced by cost-benefit analysis.
- Understanding cost structures is crucial for accurate modeling of human task dynamics.
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