In a previous paper Amman and Tucci (2018) compare the two dominant approaches for solving models with optimal experimentation (also called active learning), i.e. the value function and the approximation method. By using the same model and dataset as in Beck and Wieland (2002), they find that the approximation method produces solutions close to those generated by the value function approach and identify some elements of the model specifications which affect the difference between the two solutions. They conclude that differences are small when the effects of learning are limited. However the dataset used in the experiment describes a situation where the controller is dealing with a nonstationary process and there is no penalty on the control. The goal of this paper is to see if their conclusions hold in the more commonly studied case of a controller facing a stationary process and a positive penalty on the control.
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|Titolo:||How active is active learning: value function method vs an approximation method|
TUCCI, MARCO PAOLO [Writing – Original Draft Preparation]
|Citazione:||Amman, H.M., & Tucci, M.P. (2018). How active is active learning: value function method vs an approximation method. QUADERNI DEL DIPARTIMENTO DI ECONOMIA POLITICA, 788, 1-25.|
|Appare nelle tipologie:||1.1 Articolo in rivista|