Revealed preferences for dynamically inconsistent models

Federico Echenique and Gerelt Tserenjigmid

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Abstract: We study the testable implications of models of dynamically inconsistent choices when planned choices are unobservable, and thus only "on path" data is available. First, we discuss the approach in Blow, Browning and Crawford (2021), who characterize first-order rationalizability of the model of quasi-hyperbolic discounting. We show that the first-order approach does not guarantee rationalizability by means of the quasi-hyperbolic model. This motivates consideration of an abstract model of intertemporal choice, under which we provide a characterization of different behavioral models -- including the naive and sophisticated paradigms of dynamically inconsistent choice.

Date: 2023-05, Revised 2023-07
New Economics Papers: this item is included in nep-dcm, nep-mfd, nep-mic and nep-upt
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