Modeling internal commitment mechanisms and self-control: A neuroeconomics approach to consumption–saving decisions
- 1 August 2005
- journal article
- Published by Elsevier BV in Games and Economic Behavior
- Vol. 52 (2), 460-492
- https://doi.org/10.1016/j.geb.2004.10.004
Abstract
We provide a new model of consumption–saving decisions which explicitly allows for internal commitment mechanisms and self-control. Agents have the ability to invoke either automatic processes that are susceptible to the temptation of ‘over-consuming,’ or alternative control processes which require internal commitment but are immune to such temptations. Standard models in behavioral economics ignore such internal commitment mechanisms. We justify our model by showing that much of its construction is consistent with dynamic choice and cognitive control as they are understood in cognitive neuroscience. The dynamic consumption–saving behavior of an agent in the model is characterized by a simple consumption–saving goal and a cut-off rule for invoking control processes to inhibit automatic processes and implement the goal. We discuss empirical tests of our model with available individual consumption data and we suggest critical tests with brain-imaging and experimental data.Keywords
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